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See detailChildhood and Work at the Neoliberal Age: Ethnography of Child Work in Artisanal and Small-scale Mining in the Katanga province (DRC)
Andre, Géraldine ULg; Godin, Marie

Conference (2012, October 26)

This paper aims at analyzing the work activities carried out by children in artisanal and small-scale mining in Katanga, DRC, in the wake of the evolution of representations of work, masculinity, family ... [more ▼]

This paper aims at analyzing the work activities carried out by children in artisanal and small-scale mining in Katanga, DRC, in the wake of the evolution of representations of work, masculinity, family and childhood since the reforms of the Congolese mining sector promoted by the institutions of Bretton Woods. Katanga has been the industrial flagship of the Belgian Congo organized around the mining town of Lubumbashi during the colonial period and also after the independence of the country. The “union minière du Haut-Katanga” created by Belgians and nationalized after with the name of “Gécamines” has had a decisive impact on the structuration of the collective imagination on work, masculinity, family and childhood in this area of the country, which contains an infinite geologic potential and, as such, is strongly connected to global flows of raw materials exploitation. What is the impact of the reforms of the mining sector encouraged by the World Bank and the International Monetary Fund according to the ideals of schooling, nuclear family and father as the main breadwinner, the ones that have been promoted by the Gecamines during several decades? More specifically, what are the effects of these measures on socialization processes of youth and what are the consequences of those transformations on intergenerational dynamics? These questions that deal with the evolution of representations of childhood, work and family will be the main focus of our paper, which presents the results of a collective socio-anthropological research about child work in artisanal and small scale-mining in the Democratic Republic of Congo (Katanga province). [less ▲]

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See detailSome formulas for the standard error of the weighted likelihood estimator of ability with small psychometric tests
Magis, David ULg

Conference (2012, October 26)

The weighted likelihood estimator of ability (WLE, [3]) was introduced as an asymptotically unbiased estimator of ability in item response theory (IRT) models. Moreover, its standard error was shown to be ... [more ▼]

The weighted likelihood estimator of ability (WLE, [3]) was introduced as an asymptotically unbiased estimator of ability in item response theory (IRT) models. Moreover, its standard error was shown to be asymptotically equal to that of the maximum likelihood (ML) estimator [2]. Although this asymptotic framework is most often encountered in psychometric and educational studies, there are several practical applications for which an "exact" formula for the standard error would be useful. For instance, such a formula would certainly be convenient at the early steps of a computerized adaptive test (CAT), whenever only a few items are administered. The purpose of this paper is to derive two possible formulas for the standard error of the WLE, by starting from the objective function to be optimized and deriving the standard error in a similar approach of the ML framework (see e.g., [1]). The two potential formulas are then compared through both, a small simulation study and a practical analysis with realistic, yet arti cial data. It is concluded that one of the formulas must be preferred to the other, both for mathematical consistency and on the basis of the simulated results. References [1] Baker, F. B., & Kim, S.-H. (2004). Item Response Theory: Parameter Estimation Techniques (2nd edition). New York: Marcel Dekker. [2] Lord, F. M. (1980) Applications of Item Response Theory to Practical Testing Problems. Hillsdale, NJ: Lawrence Erlbaum. [3] Warm, T.A. (1989). Weighted likelihood estimation of ability in item response models. Psychometrika, 54, 427-450. [less ▲]

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See detailA propósito de un garabato
Jamoulle, Marc ULg

Conference (2012, October 26)

Cuando me surgió la idea de la P41, en 1986, el mundo no estaba aún globalizado. La OMS insistía todavía en una lista de medicamentos esenciales. Los países no occidentales no consumían estatinas y los ... [more ▼]

Cuando me surgió la idea de la P41, en 1986, el mundo no estaba aún globalizado. La OMS insistía todavía en una lista de medicamentos esenciales. Los países no occidentales no consumían estatinas y los Ataques de Pánico se llamaban aún Crisis de Nervios. La depresión no era aún una afección que se tratara sin interrupción, y los psicóticos recibían tratamiento farmacológico solo durante sus crisis. La habilidad de la industria de los alimentos para vender comida chatarra era mucho menos efectiva, pero el tabaco ya estaba en todos lados. [less ▲]

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See detailLa construcción de la enfermedad y la protección del paciente, una clínica de medicina familiar
Jamoulle, Marc ULg

Conference (2012, October 26)

Este texto fue escrito después de la consulta con un a paciente seguido por un episodio de luto. Al mismo tiempo, se organizó conjuntamente por médicos y psicólogos de Argentina y Uruguay un seminario ... [more ▼]

Este texto fue escrito después de la consulta con un a paciente seguido por un episodio de luto. Al mismo tiempo, se organizó conjuntamente por médicos y psicólogos de Argentina y Uruguay un seminario virtual por Internet sobre prevención cuaternaria. El texto está escrito para compartir este momento de la consulta con estos colegas. La historia de la paciente muestra cómo la transformación del dolor en la depresión por el psiquiatra también responde a una necesidad de la organización social. Es necesario que la paciente sea reconocido a "enferma" a fin de tener tiempo para hacer el duelo en circunstancias complejas de la vida que no podían ser aceptadas como una razón aceptable para un paro laboral. Texto escrito con la aprobación y participación de la paciente, traducido al español por Mónica Cortázar (Argentina) [less ▲]

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See detail"Illegalisation, visibilisation and appropriation: a few thoughts on the politics of migrant labor in South China"
Florence, Eric ULg

Conference (2012, October 26)

Practices of legal and bureaucratic categorisation, as well normative practices of naming are key within the endless construction and reinvention of nation-states. Such practices are part of larger and ... [more ▼]

Practices of legal and bureaucratic categorisation, as well normative practices of naming are key within the endless construction and reinvention of nation-states. Such practices are part of larger and complex configurations of power along with institutions, more or less formal-informal practices of social control and governing. Today’s production and circulation of categories such “illegal migrant”, “refugee”, “young delinquent”, etc. need to be thought of in relation to categories such as “the national citizen” and the core values and principles attached to such categories. In this paper, I will explore how the dialectics of legality-illegality ─ and practices of visibilisation and invisibilisation ─ can be problematized in relation to a dual process: the ritual affirmation of the Party-state authority and the identity formation of rural migrant workers in South-China. I will argue that such politics ought to be read within the political economy of South-China or what Lee Ching-Kwan has called “decentralized legal authoritarianism” (Lee 2007). By looking at the production and circulation of the category of “the three no’s” (sanwu), I will show that the ambiguity and the flexibility of how this category is used is central in order to account for its symbolic and performative power. [less ▲]

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See detaildes hospices à la gériatrie moderne vers plus de cohérence
Petermans, Jean ULg; SWINE, CHRISTIAN

Conference (2012, October 25)

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See detailActive vitamin B12: detection and clinical implications
VRANKEN, Laura ULg

Conference (2012, October 25)

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See detailError distribution estimation in nonparametric regression with right censored selection biased data
Laurent, Géraldine ULg; Heuchenne, Cédric ULg

Conference (2012, October 25)

In this presentation, we study the nonparametric regression model Y = m(X) +sigma(X) * epsilon where the error epsilon, with unknown distribution, is independent of the covariate X, and m(X) = E[Y|X] and ... [more ▼]

In this presentation, we study the nonparametric regression model Y = m(X) +sigma(X) * epsilon where the error epsilon, with unknown distribution, is independent of the covariate X, and m(X) = E[Y|X] and sigma²(X) =Var[Y|X] are unknown smooth functions. The problem is to estimate the cumulative distribution function of the error in a nonparametric way when the couple (X;Y) is subject to generalized bias selection while the positive response Y can be right-censored. We propose a new estimator for the error distribution function. Asymptotic properties of the proposed estimator are established, namely the rate of convergence and the limiting distribution. A bootstrap procedure is developed to solve the critical problem of the smoothing parameter choice. The performance of the proposed estimator is investigated through simulations. Finally, a data set based on the mortality of diabetics is analyzed. [less ▲]

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See detailDefining the "city museum". The creation process of a new museum category
Postula, Jean-Louis ULg

Conference (2012, October 25)

As early as the second half of the nineteenth century, some major European cities developed museums to present their history. This movement has grown around the world throughout the twentieth century. The ... [more ▼]

As early as the second half of the nineteenth century, some major European cities developed museums to present their history. This movement has grown around the world throughout the twentieth century. The phenomenon is now more relevant than ever, as evidenced by numerous projects of creation and renovation of such institutions. Nevertheless, it took a long time before this kind of museum began to be considered as part of a specific museum category, with its own characteristics and challenges. It was only in 1993, at the Museum of London, that representatives of museums devoted to the study of cities met for the very first time, in order “to discuss [their] problems, to develop theories and to promote [their] special place in the museum movement worldwide” (Hebditch, Max, Key-note address, in Johnson, Nichola, ed., Reflecting cities. The proceedings of a symposium. London, Museum of London, 1993, p. 1). The expression “city museum” took shape for this occasion, with the creation at the end of the symposium of what can be seen as the ancestor of CAMOC, the International Association of City Museums, which faded in 2005. For almost two decades, the city museum has become the object of study of a large number – almost one per year – of international conferences and collections of articles bringing together academics, but mostly professionals who live and experience the museum every day. Practitioners appear therefore as the main producers of discourse on the city museum. This presentation examines the concept of city museum through its different uses and definitions within the museological literature, between 1993 and 2008. The analysis of these speeches will highlight the fact that there are no unanimously established uses of the expression among the authors. It will also show that, as a museum category, city museum is an object whose identity is still under construction. [less ▲]

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See detailFactors influencing multiple imputation in longitudinal ordinal data
Donneau, Anne-Françoise ULg

Conference (2012, October 25)

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See detail« ‘Quitter le village pour emprunter le chemin vers le Sud’ : luttes hégémoniques autour de catégories d’émancipation en Chine ».
Florence, Eric ULg

Conference (2012, October 25)

Dans un article de 2002, Jean and John Comarrof se penchent sur les « contradictions expérientielles » de ce qu’ils appellent un « capitalisme millénariste », c’est-à-dire « un capitalisme investi d’une ... [more ▼]

Dans un article de 2002, Jean and John Comarrof se penchent sur les « contradictions expérientielles » de ce qu’ils appellent un « capitalisme millénariste », c’est-à-dire « un capitalisme investi d’une force salvatrice » devant permettre la transformation des marginalisés et des subalternes » (Jean Comaroff and John Comaroff, « Alien-Nation : Zombies, Immigrants, and Millenial Capitalism », The South Atlantic Quarterly, n° 101, 4, Fall 2002). L’étude du fonctionnement du capitalisme flexible en Chine, avec son processus d’accumulation résultant de la combinaison de mécanismes institutionnels hérités du maoïsme et de mécanismes de marché, permet de se pencher sur les ruses du capitalisme, sur les redéploiements de modes complexes de gouvernement et de domination et sur les modes d’accommodement et de résistances des individus et groupes sociaux. Dans cette communication, j’explore des modes de domination qui, en parallèle avec la répression routinière et les régimes de production disciplinaires, agissent de façon complexe parce qu’ils sont basés sur des catégories d’émancipation et qu’ils travaillent au niveau des espoirs individuels de changement de condition, agissant au niveau des catégories de sens commun ou pratiques dans un contexte où le développement des forces productives et du marché constitue un champ idéologique intensément investi par les élites urbaines et l’Etat-parti. En me penchant sur les modalités de mise en récit et de luttes autour de la migration et du travail en ville─ mobilisations stratégiques, accommodements, renversements et chevauchements hégémoniques ─, j’entends montrer comment les expériences et récits des travailleurs migrants chinois s’articulent au sein d’un projet hégémonique de légitimation de l’ordre social et d’extraction de la plus value. Pour appréhender ce processus, je mobiliserai la notion de « cadre hégémonique » (Roseberry) entendu comme projet politique visant à établir un cadre matériel et discursif commun afin de cadrer et d’organiser la colère, la frustration mais aussi les espoirs, les aspirations et les désirs. [less ▲]

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See detailActive Vit B12: Detection and clinical Implications
VALDES SOCIN, Hernan Gonzalo ULg

Conference (2012, October 25)

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See detailLe design du système d’information comptable dans les PMI tunisiennes: une modélisation contingente
Ghorbel, Jihene ULg

Conference (2012, October 24)

Les petites et moyennes entreprises (PME) constituent l’un des piliers de l’économie tunisienne où elles représentent 97 % du tissu économique. Bien que les études consacrées aux PME tunisiennes (Adair et ... [more ▼]

Les petites et moyennes entreprises (PME) constituent l’un des piliers de l’économie tunisienne où elles représentent 97 % du tissu économique. Bien que les études consacrées aux PME tunisiennes (Adair et al., 2009 ; Fhima et al., 2009 ; Djelassi et al. , 2010 ) sont assez nombreuses, rares sont les recherches scientifiques qui portent sur les spécificités des PME industrielles. Or, comme les autres entreprises, les PMI tunisiennes sont forcées de s’adapter aux mutations profondes qui caractérisent nos environnements et cette adaptation passe par une évolution constante de leur système d’information, notamment dans sa dimension comptable. Notre contribution se propose dès lors d’étudier théoriquement, au départ de l'analyse de la littérature développée en contexte tunisien, les spécificités des PMI tunisiennes et d’examiner l’impact des facteurs de contingence tels que la taille, le cycle de vie, la structure organisationnelle, l’incertitude de l’environnement, le secteur d’activité, le profil du dirigeant, l’âge et l’exportation sur le design du système d’information comptable. [less ▲]

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See detailElectrical investigation of TCMs: role of structural defects and external stress
Langley, Daniel ULg; Giusti, Gael; Consonni, Vincent et al

Conference (2012, October 24)

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See detailL'anthropisation du paysage et ses impacts sur les écosystèmes forestiers
Bogaert, Jan ULg; Andre, Marie ULg; Lejeune, Philippe ULg et al

Conference (2012, October 24)

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See detailLes plantations villageoises de bois énergie : une approche participative pour réduire la déforestation
Vermeulen, Cédric ULg; Dubiez, Emilien; Peltier, Régis et al

Conference (2012, October 24)

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See detailL'évaluation PPSM : une démarche d'apprentissage collectif
Absil, Gaëtan ULg; Govers, Patrick ULg; Vandoorne, Chantal ULg

Conference (2012, October 23)

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See detailIntervening in return to work after long term sickness absence : confronting the stakeholders views
Schippers, Nathalie ULg; Kefer, Fabienne ULg; Cornelis, Sabine ULg et al

Conference (2012, October 23)

Background Acknowledging individual and societal consequences of long term sickness absence, a political awareness is raising in Belgium in favour of a more active reintegration policy. Since various ... [more ▼]

Background Acknowledging individual and societal consequences of long term sickness absence, a political awareness is raising in Belgium in favour of a more active reintegration policy. Since various stakeholders are implied and several legislations may apply, it was deemed necessary to analyse the interplay between regulations and the role of the respective interveners to optimise return to work practices. The study focused on workers who are still under contract. Methods To this purpose, 23 representatives of various categories of stakeholders were interviewed: social insurance physicians, occupational physicians, insurers, social administration services, employers, unions, employment advisers, etc… Interviewees were asked to describe their role, to identify difficulties in the execution of their mission and sources of conflict between legislations, and to propose improvements. The interviews were audiotaped and fully transcribed. Results Several barriers to worker reintegration were pointed out during the interviews. On individual level, the worker social situation and a lack of information influence the chance of a successful return to work. At the enterprise level, the enterprise size, quality of peer support and lack of financial incentives were often mentioned. Most remarks concerned legislation. In Belgian labour law, the employment contract may be ended if the employee is permanently unable to perform his current job, even though modified work would remain possible. For many stakeholders, a sustainable return to work is hindered by the complexity of legislation which was developed for different domains (disability benefits, unemployment, work accident, occupational disease) with little attention to transitions from one domain to the other, especially between benefit insurance and unemployment legislation. It was also stressed that the possibilities offered by the occupational health legislation are underused or inappropriately used. Conclusions Legal and financial security must be insured for the worker who is ready to enrol in a reintegration trajectory. Public authorities should promote better knowledge and implementation of reintegration policies and current legislation should be improved with an emphasis on a better collaboration between stakeholders. [less ▲]

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See detailLes allergènes recombinants en pratique
GADISSEUR, Romy ULg

Conference (2012, October 23)

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See detailAseptic and automatable vitrification of human embryonic stem cells using defined media
Ectors, Fabien ULg

Conference (2012, October 22)

Aseptic and automatable vitrification of human embryonic stem cells using defined media Efficient recovery of biologically safe and undifferentiated hESCs is a major challenge after cryobanking ... [more ▼]

Aseptic and automatable vitrification of human embryonic stem cells using defined media Efficient recovery of biologically safe and undifferentiated hESCs is a major challenge after cryobanking, especially when their use for human therapy is foreseen. One drawback of actual cryopreservation protocols is the direct contact of the cells with liquid nitrogen, therefore cells can be in contact with heavy metals, bacteria, viruses or fungi during cooling and storage. We describe a novel cryopreservation method which uses aseptic vitrification1 (no direct contact with LN2) and only chemically defined materials and media, and is automatable. 1: Vitrification is a cryopreservation method based on the conversion of a liquid into a glass-like state by an infinite enhancement of its viscosity and without formation of ice crystals. [less ▲]

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See detailThe State of Open Access in Belgium's French-speaking Universities
Renaville, François ULg

Conference (2012, October 22)

An overview of the BICfB report "L'Open Access en Belgique francophone : étude de la BICfB réalisée à la demande des Recteurs des universités et du F.R.S.-FNRS" (May 2012) (http://hdl.handle.net/2268 ... [more ▼]

An overview of the BICfB report "L'Open Access en Belgique francophone : étude de la BICfB réalisée à la demande des Recteurs des universités et du F.R.S.-FNRS" (May 2012) (http://hdl.handle.net/2268/124876). [less ▲]

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See detailLocal coordination between levels of care: opportunities and threats
Belche, Jean ULg; Duchesnes, Christiane ULg; Van der Vennet, Jean et al

Conference (2012, October 20)

Background: Coordination between levels of care is not compulsory in the Belgian health system. Patients have direct access to specialists. Hence, competition between professionals and fragmentation of ... [more ▼]

Background: Coordination between levels of care is not compulsory in the Belgian health system. Patients have direct access to specialists. Hence, competition between professionals and fragmentation of care do occur, leading to poor quality of care and waste of resources. A strategy that improves communication and coordination between actors and stakeholders at a local scale represents a solution to develop integrative care oriented to people and community. The Local Health System (LHS), launched 15 years ago with some success in specific settings in Belgium, is the model used for this experience. What could be the opportunities and threats to improve coordination between levels of care in various local contexts? [less ▲]

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See detailArt of Taste and Aesthetics of Cooking: A History
Von Hoffmann, Viktoria ULg

Conference (2012, October 20)

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See detailCurrent research in Sport Pedagogy
Cloes, Marc ULg

Conference (2012, October 20)

Sport pedagogy is a discipline aimed at providing scientific data on the education and training in the different contexts in the field of sport and physical activity: education, coaching, recreation ... [more ▼]

Sport pedagogy is a discipline aimed at providing scientific data on the education and training in the different contexts in the field of sport and physical activity: education, coaching, recreation, rehabilitation … Using traditionally descriptive, correlational and experimental approaches, it is focused as much on the main actors (participants and educators) than on contents or on curricula. Its main objectives consist to improve the knowledge and the field practice of the physical educators and their trainers. Most studies in sport pedagogy are conducted in the school context as physical education remains a central concern of researchers. Nevertheless, since two decades, the place of the science of coaching grows slowly while researches in leisure and rehabilitation are still quite rare. In parallel, physical activity and the fight against one sedentary lifestyle became really important in the preoccupations of most of the researchers. Moreover, two important concepts are developing nowadays: accountability and literacy. This underlines that physical educators are expected to meet the goals that modern society emphasizes: efficiency and effectiveness. Quality is now regularly identified as a priority or even a prerequisite. Current researches in sport pedagogy is become complex as they mobilize more and more often complementary approaches taking into account all the involved actors and environment. Moreover, subjects became central with the development of action researches and communities of practices. [less ▲]

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See detailSuggestions for improving continuity of medication between hospital and home in a local context of Wallonia
Belche, Jean ULg; Berrewaerts, Marie-Astrid ULg; Duchesnes, Christiane ULg et al

Conference (2012, October 20)

Background: Unjustified modifications of the patient’s usual medication during his hospitalisation induce various problems for the patient (confusion, additional costs) and for healthcare professionals ... [more ▼]

Background: Unjustified modifications of the patient’s usual medication during his hospitalisation induce various problems for the patient (confusion, additional costs) and for healthcare professionals (work overload, additional cost). The principle of favouring dialogue between local actors to reach commonly accepted solutions (KCE, 2010) was used in the current study. Research question: Which local strategies could be implemented to improve continuity of drug therapy when the patient moves to hospital or back home? Method: The study took place in Liège (Wallonia). Participants were recruited within four professional groups: general practitioners, hospital specialists, pharmacists and hospital stakeholders. First, a nominal group was carried out for each professional group. Prioritized suggestions were obtained. In a second phase, Delphi method was used. Suggestions from the nominal group were submitted to representatives of each profession (a total of 40) to evaluate relevance, acceptability and feasibility of each one. Results: A total of 101 suggestions were evoked in the first phase. They were related to two main themes: implication of well-defined actors and development of specific means. Five consensual suggestions emerged from the Delphi process: provision by the general practitioner of a complete list of medication on hospital admission; provision by the hospital specialist of a list of drugs at discharge; development of formal hospital processes to keep the patient’s usual medication; centralisation of medication data; development and use of a unique medical record. Conclusion: A link medium handled by the patient when he moves to the hospital and back home is the major idea mentioned and accepted by local actors. [less ▲]

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See detailLe droit européen de la vente dans les contrats entre entreprises: Évaluation du point de vue du droit belge/français/luxembourgeois
Gerkens, Jean-François ULg

Conference (2012, October 20)

Some remarks on the CESL project, from the French, Belgian and Luxemburgish Point of View

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See detailPERINATAL INFECTIONS - The GBS successful practices in prevention
MELIN, Pierrette ULg

Conference (2012, October 20)

Updated information on the most common infectious diseases that the mother may transmit to her infant during pregnancy, at birth or by breast feeding the infant. Most of the emphasis is directed to ... [more ▼]

Updated information on the most common infectious diseases that the mother may transmit to her infant during pregnancy, at birth or by breast feeding the infant. Most of the emphasis is directed to preventive measures, screening when interventions are available, and the detailed analysis of interventions during the preconceptional period, antenatal care, perinatal care and maternal and neonatal care after birth. The strategic approach for prevention is illustrated with the group B streptococci story. This information emphasizes the basic knowledge of the pathogen, the disease, the burden of problems caused by the disease in the mother and her offspring, epidemiological aspects, and how to manage the disease. Most of the emphasis is directed to screening-based preventive measures and new approaches to improve the accuracy and predictive values of screening are discussed. An update of the developments of a group B streptococcal vaccine is briefly presented. [less ▲]

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See detailA missense mutation in the ClC-7 chloride channel causes hamartomas with osteopetrosis in cattle.
Sartelet, Arnaud ULg; Stauber, Tobias; Coppieters, Wouter ULg et al

Conference (2012, October 19)

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See detailInstitutionalization dynamics of Parliamentary Technology Assessment
Rosskamp, Benedikt ULg

Conference (2012, October 19)

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See detailLa variation du dommage
Kohl, Benoît ULg

Conference (2012, October 19)

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See detailQuo Vadis Parliamentary Technology Assessment? The Case of the Flemish Institute for Society and Technology (IST)
Van Oudheusden, Michiel ULg

Conference (2012, October 19)

Since the 1980s, parliamentary technology assessment (PTA) institutes have emerged across Europe, typically with the aim of advising parliaments about the potential social, economic, and environmental ... [more ▼]

Since the 1980s, parliamentary technology assessment (PTA) institutes have emerged across Europe, typically with the aim of advising parliaments about the potential social, economic, and environmental implications of sciences and technologies. While until recently, these institutes appeared to have established themselves as dependable partners for policymakers, PTA is increasingly under threat from funders, as illustrated by the Danish Government’s call to disband the Danish Board of Technology and the Flemish Government’s decision to restructure the Flemish Institute Society and Technology (IST). It is hence uncertain whether these institutes will continue to fulfill their present functions as independent policy advisors and think tanks, and as catalysts for public debate. In this paper, we describe the difficulties Flemish PTA, and the IST in particular, faces today. Drawing on arguments and counterarguments to close down and/or reform the IST, we lay out envisioned futures for PTA in Flanders. From a concern with making PTA more visible and potent as a policymaking instrument, we distinguish four grand challenges PTA practitioners and advocates face: (1) increasing the public visibility of PTA; (2) ensuring the uptake of PTA ideas in science and technology discourses; (3) forging closer ties between PTA, academia, and industry; (4) inciting continuous reflection among PTA advocates about PTA aims, methods, and programs. Addressing these challenges will strengthen the PTA knowledge base and effectively align PTA with existing science governance discourses, such as responsible research and innovation, participatory science communication, and public dialogue. [less ▲]

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See detailSurgical treatment of open joint injuries: a retrospective study of 22 horses.
Salciccia, Alexandra ULg; de la Rebière de Pouyade, Geoffroy ULg; Evrard, Laurence ULg et al

Conference (2012, October 19)

Aims: To evaluate the prognosis of horses treated surgically for open joint injuries. Methods: The medical records of horses admitted for surgical treatment of a wound in communication with a joint were ... [more ▼]

Aims: To evaluate the prognosis of horses treated surgically for open joint injuries. Methods: The medical records of horses admitted for surgical treatment of a wound in communication with a joint were reviewed. A telephone questionnaire was used for the long term evaluation. Fisher’s exact tests were used for the statistical analyses. Results: Twenty two horses were included in the study with the following distribution of lesions: 6 carpi, 6 fetlocks, 4 tibiotarsal joints, 2 proximal and 3 distal interphalangeal joints, 1 elbow. The duration of the injury before referral ranged from 3 hours to 10 days. Surgical treatment consisted of 1-3 joint lavages. Of the 22 horses, 4 were euthanatized during hospitalization and 18 were discharged. After discharge, 3 horses died due to colic, 2 were lost and 13 were still alive. The survival was not influenced by the duration of the wound. All horses with cutaneous defects less than 5 cm and all horses affected in the lower limb (below the level of the canon) were discharged. Having an affected joint proximal to the canon was significantly associated to the need of multiple surgeries (OR: 17.5; p= 0.024). Conclusions: Even if the prognosis remains guarded for open joint injuries, a long delay between injury and treatment should not be systematically associated with a bad prognosis for survival. Open joint injuries of the lower limb were associated with survival. They required less often multiple articular lavages than open joint injuries of the upper limb, warranting thus a better prognosis. [less ▲]

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See detailInfusion of third party mesenchymal stem cells (MSC) after kidney and liver transplantation: a phase I-II, open-label, clinical study
DETRY, Olivier ULg; DELBOUILLE, Marie-Hélène ULg; LECHANTEUR, Chantal ULg et al

Conference (2012, October 19)

MSC cells have demonstrated significant immunosuppressive effects in various in vivo and in vitro studies. This study aims to be the first evaluation of the safety and tolerability of third party MSC ... [more ▼]

MSC cells have demonstrated significant immunosuppressive effects in various in vivo and in vitro studies. This study aims to be the first evaluation of the safety and tolerability of third party MSC infusion after cadaveric kidney and liver transplantation in a prospective phase I-II study, taking advantage of our centre expertise and experience in MSC use in graft-versus-host disease (GVHD) after bone marrow transplantation and using an already functioning GMP-compliant laboratory producing clinical-grade MSC. Secondary end-points will help to evaluate the immunosuppressive potential of MSC after organ transplantation, and the opportunity to develop larger randomised, controlled, phase III trials. After successful transplantation, 10 liver and 10 kidney transplant recipients under standard immunosuppression (tacrolimus, MMF, steroids) will receive an intravenous infusion of 1.5-3x106/kg of third-party MSC on post-operative day 3±2. These patients will be prospectively compared to 10 liver and 10 kidney recipients who meet the inclusion criteria but deny MSC infusion. Safety will be assessed by recording side effects, including opportunistic infections and cancers. Immunosuppressive potential will be evaluated by rejection episode rates, by graft/patient survivals, by immunohistology of 3-months kidney and 6-month liver graft biopsies and by in vitro evaluation of the immunity profile of the recipients. In a second step, reduction (kidney) and progressive weaning (liver) of immunosuppression will be attempted in recipients who received MSC. This ongoing study is supported by research grants from the CHU of Liège, University of Liège, and by the Senior Clinical Research Grant from ESOT. The first patients were included and treated in early 2012, and final results expected in late 2013. [less ▲]

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See detailStudy of the microbial flora of freshwater and seawater fish filets in different packaging conditions by metagenomic analysis targeted on the 16S ribosomal DNA
Delhalle, Laurent ULg; Taminiau, Bernard ULg; Nezer, Carine et al

Conference (2012, October 19)

Metagenomics has appeared as a powerful tool to study bacterial composition of various environmental samples. This work describes the application of this technique to study the bacterial population of two ... [more ▼]

Metagenomics has appeared as a powerful tool to study bacterial composition of various environmental samples. This work describes the application of this technique to study the bacterial population of two fresh fish filets. The two fish species are from freshwater (pangasius) and seawater (haddock), respectively. Samples where directly analyzed the day of receipt. Others samples were analyzed at the end their shelf life after storage at 4°C (1/3 of their shelf life) and 8°C (2/3 of their shelf life). For these samples, packagings were made in plastic wrap for atmospheric air condition and in trays under modified atmosphere. Classical microbiological and 16S rDNA metagenomic analysis were carried out on all these samples. The composition and evolution of microbial populations of fish filet stored under different packaging conditions and temperatures of storage were investigated with identification of bacteria species. A total of 40 different species were identified for both fish types. Gram-negative bacteria are always predominated among the initial flora and at the end of the shelf life in all the trials. At the beginning of storage, the predominant Gram-negative microflora consisted of Moraxellaceae (Acinetobacter spp, Psychrobacter spp.), Pseudomonadaceae (Pseudomonas spp), and Shewanella spp and the Gram-positive flora was identified as Lactobacillaceae (Carnobacterium spp), Brochothrix thermosphacta and Planococcus donghaensis (only for pangasius). For the pangasius, Planococcus donghaensis is only present before the fish is packed and its dominant presence could provide an indication of the freshness of the fish. The metagenomic analysis is a useful tool to identify and to measure the relative proportions of bacterial species in fish filet samples. [less ▲]

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See detailLa différenciation nécessaire des traitements selon le type d'abuseurs sexuels
Glowacz, Fabienne ULg

Conference (2012, October 18)

Les délits sexuels commis par les adolescents suscitent de nombreuses réactions allant de l’incompréhension à l’effroi et laissent place à un questionnement sur la compréhension du passage à l’acte de ces ... [more ▼]

Les délits sexuels commis par les adolescents suscitent de nombreuses réactions allant de l’incompréhension à l’effroi et laissent place à un questionnement sur la compréhension du passage à l’acte de ces jeunes, sur leur fonctionnement psychologique ainsi que sur les mesures judiciaires et thérapeutiques à prescrire. Les recherches psycho-criminologiques en délinquance sexuelle juvénile se sont centrées sur la question de savoir si les adolescents auteurs d’une infraction à caractère sexuel constituent une population spécifique ou s’ils présentent les mêmes caractéristiques de fonctionnement antisocial que les adolescents auteurs de délinquance non sexuelle. Par ailleurs, tous les auteurs et cliniciens s’accordent sur le fait que les adolescents auteurs d’une infraction à caractère sexuel forment un groupe hétérogène. Dans le cadre de notre exposé, nous allons explorer la question de la spécificité de la délinquance sexuelle en analysant le profil psychologique, l’engagement délinquentiel et sexuel de ces adolescents, en distinguant les adolescents agressant des enfants plus jeunes (child abusers) des adolescents agressant d’autres adolescents (peer abusers). Les résultats de nos recherches indiquent un mode d’engagement sexuel spécifique aux adolescents délinquants sexuels, mais un engagement délinquentiel synchrone et de même nature pour les adolescents délinquants non sexuels et les adolescents délinquants sexuels envers les pairs, qui présentent le plus souvent des trajectoires délinquantes mixtes (délinquance sexuelle et non sexuelle) plus diversifiées et chargées que les adolescents délinquants sexuels envers enfants. L’analyse comparative des profils de personnalité de ces adolescents relève la spécificité de ces deux sous-groupes (child abusers versus peer abusers) et appuie la nécessité de développer des réponses thérapeutiques adaptées à leurs déficits et leurs besoins. [less ▲]

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See detail“The Unbearable Lightness of Air” : a case of citizen’s management of odorous environment
Melard, François ULg

Conference (2012, October 18)

What does it means for local residents to account publicly for olfactory nuisances in their environment, to share their experiences, and, above all, to render objectivable what could appear, at first ... [more ▼]

What does it means for local residents to account publicly for olfactory nuisances in their environment, to share their experiences, and, above all, to render objectivable what could appear, at first glance, as sheer subjectivities? Relying on an Actor-Network Theory (ANT) approach to technical democracy, a Belgian case study where knowledge co-production between citizens, university, and a spin-off enterprise is described and debated. Between the odor emission source (industry, waste disposal,…) and the odor immission realities (reception) there are an heterogeneity of both natural and social factors that render the flux of odorous molecules more or less challenging to trace. This story is about both technical and social traceabilities. This story is about the intimate, but problematic, relations between electronic noses and human lookouts (Vigies), where the identity of impacted residents and the aerial characteristics of the odors are closely related. The very intimate (recalcitrant) trajectories of air causes interesting mode of associations between key protagonists: a change in the protocol of measurements and it’s the nature of the relations between them that is transformed. In terms of governance, the direct involvement of citizens in the odor monitoring in direct collaboration with the industry (odor source) offers a kind of “management of proximity” that contrasts with the more classic mode of regulation by public authorities. [less ▲]

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See detailConférence plénière. Le Triton alpestre : diversité, écologie, éthologie et conservation
Denoël, Mathieu ULg

Conference (2012, October 18)

La diversité biologique s’entend bien au-delà de la notion d’espèce. Elle englobe ainsi toutes les particularités du vivant, telles les adaptations locales, les voies de développement alternatives et les ... [more ▼]

La diversité biologique s’entend bien au-delà de la notion d’espèce. Elle englobe ainsi toutes les particularités du vivant, telles les adaptations locales, les voies de développement alternatives et les tactiques comportementales. Le Triton alpestre est une espèce d’amphibien largement répandue en Europe où il peut être rencontré dans une multitude d’habitats. Sa persistance dans un grand nombre de conditions environnementales lui confère le plus souvent un statut d’espèce apparemment non menacée. Mais au-delà de ce constat, cette espèce présente des spécialisations des plus intéressantes dont certaines pourraient être perdues suite aux pressions d’origine anthropique. Ainsi, le Triton alpestre requiert certaines compositions et configurations d’habitats, tant aquatiques que terrestres. Selon celles-ci, il peut montrer différents patrons de fidélité au site. Son régime alimentaire englobe une multitude de proies mais en fonction des opportunités présentes, il peut adopter des tactiques prédatrices ciblées. Au niveau des interactions sexuelles, les mâles adoptent des parades particulières en fonction des circonstances, telle une femelle peu réceptive par exemple. Dans la majorité des cas, les larves, issues d’œufs pondus dans le milieu aquatique, se métamorphosent en juvéniles qui mènent dès lors une vie terrestre. Mais dans diverses populations, en particulier au sud de l’Europe, il en est tout autrement. Ainsi, certaines larves continuent à grandir tout en conservant leurs branchies ; devenant dès lors aptes à la reproduction. Il en résulte une coexistence de deux formes alternatives : les métamorphes et les pédomorphes. Quoique d’une même espèce, ces deux formes présentent des différences qui sont d’une ampleur voisine voire supérieure à celles rencontrées entre espèces. Selon l’hétérogénéité spatiale et temporelle des habitats, les deux formes présentent des avantages particuliers pouvant expliquer le succès prépondérant de l’une sur l’autre. Les caractéristiques de développement sont aussi variées selon les environnements : acquisition précoce de la maturité sexuelle et métamorphose au stade adulte en fonction d’aléas environnementaux. Une menace particulière pèse cependant sur cette diversité intra-spécifique : l’introduction de poissons. Celle-ci pourrait amener à transformer ce polyphénisme en un monomorphisme où ne subsisterait que la forme métamorphosée, dispersante. En effet, les introductions répétées de poissons dans les environnements aquatiques, quels qu’ils soient, entrainent davantage la disparition des pédomorphes. Les métamorphes, quant à eux, sont également atteints mais peuvent subsister dans certaines conditions qu’il reste à déterminer. [less ▲]

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See detailRessourcen und Zukunft
Pfennig, Andreas ULg

Conference (2012, October 18)

Detailed reference viewed: 5 (0 ULg)
See detailWho has the guts to make health claims? Good and Bad Scientists in Europe
Hendrickx, Kim ULg

Conference (2012, October 18)

How can scientific statements be made in which molecules or bacterial strains figure as active food constituents, contributing to human health beyond basic nutrition? This paper traces the specific ... [more ▼]

How can scientific statements be made in which molecules or bacterial strains figure as active food constituents, contributing to human health beyond basic nutrition? This paper traces the specific historical and political circumstances that gave rise to the above question, and how the issue is played out in the EU at present. Special attention goes to the European health claims regulation that is in the course of being implemented today. Often referred to as a 'learning process', this implementation has proven to be very difficult and sometimes conflictual, especially regarding claims related to the human intestinal flora. Here, the nature of scientific evidence and the boundary between food and medicine have become the stakes in discussions and contestations between the European Food Safety Authority (EFSA), new emerging groups such as 'gut health' scientists, and scattered critical voices throughout the Member States. Next to a subject of actual research, the 'gut' becomes a space of symbolic investment where 'good' and 'bad' bacteria echo the rivaling conceptions of good and bad science between the actors involved in the production and evaluation of health claims. It will be shown that in addition to the rise of new professional identities, these frictions are also changing the meanings of 'nutrition' and the clinical trial. [less ▲]

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See detailReprésenter, penser, juger
Dewalque, Arnaud ULg

Conference (2012, October 18)

Detailed reference viewed: 37 (3 ULg)
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See detailPost-peak trend in inorganic chlorine (Cly) from Jungfraujoch, ACE-FTS and HALOE infrared solar observations
Mahieu, Emmanuel ULg

Conference (2012, October 17)

Rencent trend in inorganic chlorine are derived from ground-based and satellite occultation measurements performed in the infrared at Northern mid-latitudes. The consistent slowing down in the rate of ... [more ▼]

Rencent trend in inorganic chlorine are derived from ground-based and satellite occultation measurements performed in the infrared at Northern mid-latitudes. The consistent slowing down in the rate of decrease of hydrogen chloride (HCl) and inorganic chlorine (Cly) is presented and possible causes are discussed. [less ▲]

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See detailMétodos estadísticos alternativos para estudios de asociación en análisis de genética
Pineda San Juan, Silvia ULg; Milne, Roger

Conference (2012, October 17)

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See detailOptical circular polarisation of quasars
Sluse, Dominique ULg; Hutsemekers, Damien ULg; Cabanac, Remi et al

Conference (2012, October 16)

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See detailCumulative time in band (cTIB): glycemic level, variability and patient outcome all in one
Penning, Sophie ULg; Signal, Matthew; PREISER, Jean-Charles ULg et al

Conference (2012, October 15)

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See detailImpact du stress sur la justesse d’une performance vocale chez des étudiants de conservatoire
Larrouy, Pauline ULg; Morsomme, Dominique ULg

Conference (2012, October 15)

Un haut niveau d’anxiété entraîne des symptômes physiques et cognitifs. Cet état émotionnel peut se répercuter sur les caractéristiques acoustiques de la voix. Cette étude vise à observer l’impact d’une ... [more ▼]

Un haut niveau d’anxiété entraîne des symptômes physiques et cognitifs. Cet état émotionnel peut se répercuter sur les caractéristiques acoustiques de la voix. Cette étude vise à observer l’impact d’une situation stressante sur la justesse d’une performance vocale. 31 étudiants (deux niveaux différents) recrutés au sein des Conservatoires Royaux de Belgique ont chanté une mélodie à trois moments de l’année : deux fois en situation calme (T1 et T3) et une fois en situation anxiogène (T2), c’est à dire le jour de l’examen. Nous avons contrôlé le degré d’anxiété par la mesure de la fréquence cardiaque. Un questionnaire nous renseigne sur l’intensité des symptômes cognitifs et somatiques perçus par les étudiants et leur direction (altérant ou facilitant). La précision des intervalles et le maintien de la tonalité ont été mesurés pour chaque production. Nous comparons les scores obtenus lors d’une situation calme et lors de l’examen. Nous observons que la fréquence cardiaque augmente significativement en situation anxiogène (F(2,90) = 12.60 ; p < .001). L’intensité des symptômes cognitifs et somatiques est plus élevée lors de la situation anxiogène mais l’évolution des symptômes somatiques entre T3 et T2 est plus importante pour les étudiants de 2ème année par rapport aux étudiants de 1ère année. Concernant la justesse, les résultats indiquent qu’un état de stress induit une meilleure précision des intervalles chez les étudiants de 1ère année (p = .02) mais altère le maintien de la tonalité chez les élèves de 2ème année (p = .01). En conclusion, une situation d’examen entraîne une augmentation de la fréquence cardiaque mais l’interprétation des symptômes somatiques dépendrait du niveau d’étude. Les conséquences d’une situation anxiogène, tel un examen de solfège, sur la justesse d’une performance vocale, peuvent être bénéfiques mais sont négatives lorsque l’enjeu est important. [less ▲]

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See detailMeeting places for children and parents
Camus, Pascale ULg

Conference (2012, October 15)

Parenting support has been placed on the political agenda in Europe for the last decade (OECD, 2008, 2009 ; Eurofund, 2011). But a close look to the major discourse can reveal that the interest is very ... [more ▼]

Parenting support has been placed on the political agenda in Europe for the last decade (OECD, 2008, 2009 ; Eurofund, 2011). But a close look to the major discourse can reveal that the interest is very often linked to a compensatory vision of a so-called « deficiency » on behalf of some parents (social control). The symposium has proposed to explore the notion of « meeting places for children and parents » : their characteristics, the driven goals, the values shared by professionals . These places where parents can share « hic et nunc » their own experiences and expertise as parents (not in a preventive purpose) are considered as possible ways of questioning the compensatory approach. Characteristics of meeting places as learning communities have been displayed through a presentation of inspiring practices from different contexts: Italy, Flanders and Federation Wallonia-Brussels. Informal social networks among parents and children are an important source of parental support. Meeting places are settings where such informal networks and social cohesion are facilitated among families with diverse backgrounds. The staff (both professionals and volunteers) plays an important role in facilitating the informal contacts between parents and children. Their role as a “host” (instead of being pedagogical experts) demands specific individual competences and systemic conditions. [less ▲]

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See detailBilan des pratiques de veille stratégique au sein des PME wallonnes
Gretry, Anaïs ULg; Brandt, Céline ULg; Delcourt, Cécile ULg

Conference (2012, October 12)

Dans le contexte actuel de mondialisation, la turbulence des marchés engendre une concurrence croissante entre les entreprises. En vue d’assurer leur pérennité, il devient essentiel pour les organisations ... [more ▼]

Dans le contexte actuel de mondialisation, la turbulence des marchés engendre une concurrence croissante entre les entreprises. En vue d’assurer leur pérennité, il devient essentiel pour les organisations d’avoir recours à la veille stratégique, et particulièrement la veille concurrentielle à savoir le processus par lequel les organisations collectent des informations sur les concurrents et l’environnement concurrentiel (Wright, Eid & Fleisher, 2009, p.942). L’objectif de la présente recherche est de contribuer, au niveau wallon, à l’aspect quantitatif de la littérature relative à la veille stratégique et d’examiner la relation entre les variables contextuelles (la structure formelle, l’implication du personnel et la culture organisationnelle) et le processus de veille stratégique. Elle vise également à améliorer les pratiques de veille grâce à une meilleure compréhension de l’impact des variables de contexte sur le processus de veille stratégique. A ce titre, 81 dirigeants de PME ont été interrogés sur le processus de veille mis en place au sein de leur société. On constate dans cette première étude belge que la plupart des PME wallonnes n’ont pas recours à un processus de veille stratégique. De plus, concernant l’influence du contexte organisationnel sur le processus de veille, nous avons démontré qu’une meilleure structure formelle, l’implication du personnel ainsi qu’une culture d’entreprise tournée vers la veille stratégique améliorent le processus. Par ailleurs, les entreprises de taille moyenne et celles orientées vers l’innovation ont davantage recours à la veille stratégique que les petites entreprises ou celles avec une stratégie d’imitation. [less ▲]

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See detailSubcontracting in the European Union : public procurement
Durviaux, Ann-Lawrence ULg

Conference (2012, October 12)

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See detailSub-Contracting in the European Union : Introduction
Kohl, Benoît ULg

Conference (2012, October 12)

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See detailIntérêt d’un système de traitement des plaies par pression négative chez le cheval : Etat des lieux et cas cliniques
de la Rebière de Pouyade, Geoffroy ULg; Salciccia, Alexandra ULg; Gougnard, Alexandra ULg et al

Conference (2012, October 12)

Les plaies traumatiques ou chirurgicales nécessitent souvent une cicatrisation par seconde intention lorsque la fermeture primaire n’est pas possible ou échoue. La fermeture assistée par le vide (Vacuum ... [more ▼]

Les plaies traumatiques ou chirurgicales nécessitent souvent une cicatrisation par seconde intention lorsque la fermeture primaire n’est pas possible ou échoue. La fermeture assistée par le vide (Vacuum Assisted Closure : VAC) est une méthode active et non invasive qui expose le lit de la plaie à une pression sub-atmosphérique locale afin de promouvoir sa cicatrisation. Elle stimule la granulation et la perfusion sanguine locale et réduit significativement l’œdème et la charge bactérienne.1 Cette technique s’est révélée efficace dans le traitement des plaies aiguës et chroniques chez l’homme. Chez le cheval, la méthode est encore peu décrite.2,3 Nous rapportons ici l’application et les effets de la thérapie des plaies par pression négative à travers les cas traités à la clinique vétérinaire universitaire de Liège depuis 2010. Les plaies étaient chirurgicalement débridées avant l’application du système VAC. Une mousse en polyuréthane était appliquée après avoir été adaptée à la géométrie de la plaie. Un champ plastique adhésif était alors apposé sur la plaie pour créer un environnement hermétique et un orifice d’1 cm2 était créé au centre du système pour appliquer la ventouse du tuyau d’aspiration. Cette ligne était alors raccordée à l’appareil d’aspiration contrôlée pour maintenir une pression continue de -125 mmHg dans la plaie. Quinze cas ont été recensés: 3 plaies intra-articulaires (au carpe, au coude et au grasset), 3 sur la face dorsale du canon postérieur, 2 sur la face dorsale du jarret, 1 sur la pointe du calcanéum, 2 sur l’encolure et 4 plaies de laparotomie infectées. Le traitement a accéléré la croissance du tissu de granulation, stimulé la contraction des plaies et favorisé la cicatrisation dans la majorité des cas (12/15). Les plaies apparaissaient aussi plus saines et présentaient moins de sécrétions lors des changements de bandages. Des résultats plus modérés ont été notés chez les 3 autres cas. Quelques complications mineures comme des irritations cutanées ont été observées. Le traitement de plaies contaminées nous a orientés vers l’usage d’une mousse de polyuréthane argenté mais d’autres types de matrice sont disponibles et permettent de modifier le comportement de la plaie. L’usage d’une mousse de polyvinyl Alcool s’est ainsi avéré efficace pour améliorer l’adhésion des greffons lors d’une greffe de peau chez le cheval.3 La principale limite du traitement réside dans la difficulté technique de maintenir la plaie sous vide lors d’atteinte de régions très mobiles comme les articulations. En conclusion, le système VAC semble très prometteur pour optimiser la qualité de la cicatrisation et réduire la durée de l’hospitalisation. 1 - Morykwas, M.J., Argenta, L.C., et al. Vacuum-assisted closure: a new method for wound control and treatment: animal studies and basic foundation. Ann. Plast. Surg. 1997, 38, 553-562 2 - Gemeinhardt K.D., Molnar J.A. Vacuum-assisted closure for management of a traumatic neck wound in a horse. Equine Vet. Educ. 2005, 17, 27-33 3 - Jordana M., Pint E., et al. The use of vacuum-assisted wound closure to enhance skin graft acceptance in a horse. Vlaams Diergeneeskundig Tijdschrift 2011, 80, 343-350 [less ▲]

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See detailSerological testing during pregnancy
HUYNEN, Pascale ULg

Conference (2012, October 12)

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See detailCulture et accords commerciaux : un rapport délibérément ambigu?
Vlassis, Antonios ULg

Conference (2012, October 12)

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See detailIntroduction Report
Kohl, Benoît ULg

Conference (2012, October 12)

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Peer Reviewed
See detailLes kératomes: lésions et traitements chez 19 chevaux
Salciccia, Alexandra ULg; de la Rebière de Pouyade, Geoffroy ULg; Bolen, Géraldine ULg et al

Conference (2012, October 12)

Introduction: Les kératomes, masses hyperplasiques de kératine, croissent entre la phalange distale (P3) et la paroi du sabot et provoquent des boiteries chez le cheval. La littérature comporte de ... [more ▼]

Introduction: Les kératomes, masses hyperplasiques de kératine, croissent entre la phalange distale (P3) et la paroi du sabot et provoquent des boiteries chez le cheval. La littérature comporte de nombreux rapports de cas isolés mais peu de séries cliniques. Matériel et méthodes: Les dossiers cliniques des cas de kératomes présentés depuis 2004 à la faculté de médecine vétérinaire de Liège ont été revus. Résultats: Vingt-trois kératomes ont été diagnostiqués sur 19 chevaux boiteux. Un cheval présentait 2 kératomes sur le même pied et 3 chevaux présentaient 2 kératomes sur des pieds différents. Sur les 22 pieds atteints, les lésions observées étaient: un abcès, souvent récidivant (18 cas), une déformation de la muraille (6 cas), une déviation de la ligne blanche (6 cas) et une seime (3 cas). Un kératome était situé sous la sole et 22 sous la muraille. La durée des symptômes variait de 2 semaines à 15 ans (plus d'un an sur 12 pieds). Sur les radiographies, une lyse par compression de P3 était visible en regard de 20 kératomes. Le cheval présentant 2 kératomes sur le même pied a été euthanasié. Trois kératomes ont été traités de manière conservative. Dix-huit kératomes (chez 16 chevaux) ont été excisés chirurgicalement dont 16 par avulsion complète de muraille, 1 par avulsion partielle de muraille et 1 par curetage d'une portion de sole. Aucune complication postopératoire n'a été observée dans 7/18 cas (39%). Les complications rencontrées étaient: une granulation excessive (10 cas), une douleur importante pendant plusieurs jours (5 cas), une légère infection (4 cas), un enfoncement de P3 en regard de la zone avulsée (2 cas) et une récidive (2 cas, dont 1 a été réopéré avec succès ultérieurement). Un cheval est encore en convalescence au moment de cette étude. Le suivi à long terme d’un cheval a été perdu. Des 14 chevaux repris dans l'évaluation postopératoire, 1 a été euthanasié pour une autre raison que le kératome, 3 chevaux ont gardé une boiterie résiduelle au trot et 10 chevaux ont récupéré leur niveau d'activité. Discussion: La littérature décrit les kératomes comme rares1. Or, 21% des chevaux de cette étude (4 chevaux sur 19) présentaient plusieurs kératomes. De plus, dans 54 % des cas, les symptômes duraient depuis plus d’un an. Dès lors, il apparait que les kératomes sont sous diagnostiqués ou le sont souvent tardivement. La chronicité et l’étendue des kératomes de cette étude n’a que très rarement permis leur résection par avulsion partielle de muraille, technique de choix dont les complications postopératoires sont moindres². Un diagnostic précoce par inspection minutieuse des sabots, particulièrement en cas d’abcès de pied récidivant permettrait une excision par une technique moins invasive, qui diminuerait la convalescence et les complications postopératoires. Bibliographie: 1. Sundberg, J.P. et al. Neoplasms of Equidae. Journal of American veterinary medical association, 1977, 170: 150-152. 2. Boys Smith SJ. et al. Complete and partial hoof wall resection for keratoma removal: postoperative complications and final outcome in 26 horses (1994-2004). Equine Veterinary Journal, 2006, 38 (2): 127-133. [less ▲]

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See detailEAO Summer Camp Session
LAMBERT, France ULg

Conference (2012, October 11)

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See detail"Physiologie" de l’objet : de la série à l’emblème
Stienon, Valérie ULg

Conference (2012, October 11)

Les objets jouent un rôle de premier plan dans les Physiologies parisiennes des années 1830 et 1840. On connaît la poire et le parapluie, emblèmes d’un régime politique décrié et signes éloquents des ... [more ▼]

Les objets jouent un rôle de premier plan dans les Physiologies parisiennes des années 1830 et 1840. On connaît la poire et le parapluie, emblèmes d’un régime politique décrié et signes éloquents des valeurs dominantes d’une époque bourgeoise. Considérons aussi le gant, le billet-doux, le bonbon, le chapeau et le corset, qui ont droit à leur Physiologie spécifique. Dans l’entreprise de classification à laquelle se livrent des textes eux-mêmes produits par un marché éditorial privilégiant les collections, comme l’ont bien compris, pour leur plus grand profit, les éditeurs Aubert et Desloges, il n’est pas étonnant de voir passer et poser de nombreux objets, usuels et familiers pour la plupart. Avant d’examiner quelques-unes des fonctions sémiotiques et discursives de ce traitement des objets en rapport avec une poétique d’écriture situable entre le journalisme satirique, le détournement ludique de l’étude de mœurs et une forme de paralittérature politiquement engagée contre le régime de Juillet, cette communication rappelle brièvement le contexte sociohistorique de promotion de l’objet dans lequel s’inscrit la diffusion de ces Physiologies. [less ▲]

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See detailLes partis politiques et la lutte contre le racisme et les discriminations en Belgique
Jamin, Jérôme ULg

Conference (2012, October 11)

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See detailCas Cliniques 1
WANG, François-Charles ULg

Conference (2012, October 09)

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Peer Reviewed
See detailAn overview of new surgical options in the management of menometrorrhagia
Nisolle, Michelle ULg

Conference (2012, October 09)

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See detailLong-wave infrared digital holography for the qualification of large space reflectors
Vandenrijt, Jean-François ULg; Thizy, Cédric ULg; Georges, Marc ULg et al

Conference (2012, October 09)

Deformation metrology of complex and large space reflectors is a recurrent problem addressed by ESA. The challenging tasks of on-ground qualification and verification testing are to achieve the required ... [more ▼]

Deformation metrology of complex and large space reflectors is a recurrent problem addressed by ESA. The challenging tasks of on-ground qualification and verification testing are to achieve the required accuracy in the measurement of these reflectors deformation and to verify their performance under simulated space conditions (vacuum, low temperature). A long-wave infrared digital holographic interferometer for the verification and validation of this type of reflector in a space environment is presented. It has been developed to fill the gap between holography/interferometry techniques in the visible wavelengths and methods based on structured light illumination like videogrammetry, stereocorrelation, and fringe/pattern projection. The former provide a good measurement uncertainty but the displacements are often too large to be measured and they require a very stable environment, while the latter provide large measurement range but with higher measurement uncertainty. The new instrument is based on digital holography and uses a CO2 lasers emitting at 10.6 µm combined with a commercial thermographic camera. A diffuser is illuminated by the laser beam, producing a speckle wavefront which is observed after reflection on the reflector surface. This reflected speckle wavefront behaves exactly as if the reflector was a diffusive surface, producing its own speckle, allowing the measurement of its deformation. The advantage of this configuration compared to a classical interferometer working at 10.6 µm, is that it requires no specific optics such as a null lens (in the case of parabola) or expensive illumination/collection optics (in the case of ellipse). The metrological certification of the system was performed in the laboratory by measuring the tilts of a 1.1 meter diameter parabolic reflector. The displacements are measured in parallel with a Doppler effect interferometer and the measurement uncertainty is estimated. The application of the new interferometer to the measurement of an elliptic reflector is also presented. The technique has been certified during a thermal-vacuum test. The deformation of the parabolic reflector is measured for a temperature variation from 288 K down to 113 K. The results are compared to previous results obtained on the same reflector with a high spatial resolution infrared interferometer, also developed at CSL. [less ▲]

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See detailEvaluation of a loop mediated isothermal amplification (LAMP) assay for the detection of group B streptococci
MELIN, Pierrette ULg

Conference (2012, October 09)

BACKGROUND GBS are still the leading cause of severe neonatal disease. Screening for vaginal-rectal GBS colonization in pregnant women at 35-37 weeks of gestation, followed by intrapartum ... [more ▼]

BACKGROUND GBS are still the leading cause of severe neonatal disease. Screening for vaginal-rectal GBS colonization in pregnant women at 35-37 weeks of gestation, followed by intrapartum antibioprophylaxis to colonized women has proven to be the most effective strategy for prevention of perinatal GBS disease. Despite GBS improved culture method, predictive values (PV) of prenatal screening for GBS colonization at delivery remain limited and contribute to ongoing disease. Switching from time-consuming cultures to a rapid molecular based assay for prenatal screening could be considered: a new assay, the illumigene® Group B Streptococcus (illuB) from Meridian Bioscience, based on LAMP technology is awaited to improve antenatal screening sensitivity. OBJECTIVE To evaluate the illuB performed on culture obtained by 18-24 hours incubation of vaginal-rectal swab in Lim broth versus the reference culture for GBS screening. To determine if and how the illuB may be integrated in the current recommended screening strategy. METHODS Vaginal-rectal specimens collected from 242 pregnant women, were sent to and processed by the labs of the University Hospital of Liege and Hospital Sint Lucas of Gent to determine the status of GBS colonization by the reference culture method for prenatal GBS screening and by illuB. Cultures were performed by direct plating onto Granada agar and inoculation in a selective enrichment Lim broth subsequently subcultured after overnight incubation onto Granada and StrepB Select agar. All illuB were performed from the same incubated Lim broth. Discrepant results were controlled by a PCR assay detecting a gene different from the target of the illuB. RESULTS GBS were recovered in culture from 20.7% of the specimens. By comparison with culture, sensitivity and specificity (S, Sp) of the illuB for identifying GBS colonization were 90% and 98.9%. The positive and negative PV (PPV,NPV) were 95.7% and 97.4% respectively. Among the discrepancies, the 2 illuB positive/culture negative results were also tested positive by the control PCR assay, confirming the presence of GBS DNA even if GBS were not cultured from these specimens. Overall for GBS detection, Sp and PPV were 100%. Out of the 5 false negative illuB, 3 matched cultures with very rare GBS meaning that GBS could have been absent in the aliquots used for illuB. Therefore, S and NPV of the illuB for the detection of GBS are probably higher than 90.4% and 97.4%. CONCLUSION The illuB demonstrated S and Sp close to those of the reference culture method and did not significantly improve the GBS detection. The higher cost of such molecular test may be an obstacle to its wide use as there is not a net benefice when compared with culture method; but a shorter turnaround time and limited hands on time could balance positively the decision. Additional clinical trials are needed. [less ▲]

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See detailPrediction of thermo-physical properties of non-ideal mixtures with a combination of MOQUAC and cubic equations of state
Fayyaz, Sara; Naassan, Hamse; Bronneberg, Rob et al

Conference (2012, October 08)

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Peer Reviewed
See detailNeurostimulation for headaches
MAGIS, Delphine ULg

Conference (2012, October 07)

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See detailDecision making for tooth replacement in the esthetic zone
LAMBERT, France ULg

Conference (2012, October 06)

Aesthetic results in implantology are determined by the harmony between the dental prostheses and the soft tissues. To reach an optimal result, each single step of the treatment has a great importance ... [more ▼]

Aesthetic results in implantology are determined by the harmony between the dental prostheses and the soft tissues. To reach an optimal result, each single step of the treatment has a great importance, from the smile analyses to the final restoration delivery. The goal of this lecture is to describe how to elaborate a treatment planning for single and multiple tooth replacement in the aesthetic zone. A decision tree for the surgical protocols will be proposed according to our clinical experience at the university of Liège and, the current scientific evidences. The biological concept of the use of biomaterial in extraction socket preservation and bone regeneration will be also discussed. The overall objective is, from an initial clinical situation, to determine the appropriate treatment approach. [less ▲]

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See detailFour Ws and one H: Movement ecology of wild boar
Morelle, Kevin ULg; Lejeune, Philippe ULg

Conference (2012, October 04)

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See detailCPB AND AORTIC SURGERY The state of the Art (From a Theoritical to a Practical Approach)
LAGNY, Marc-Gilbert ULg; BLAFFART, Francine ULg; Defraigne, Jean-Olivier ULg

Conference (2012, October 04)

Background Despite recent improvements in prevention, medical treatment [1]and endovascular aortic repair , invasive surgery associated with cardiopulmonary bypass (CPB) remains the best option of ... [more ▼]

Background Despite recent improvements in prevention, medical treatment [1]and endovascular aortic repair , invasive surgery associated with cardiopulmonary bypass (CPB) remains the best option of treatment for some patients. The aim of this study is to make a review of the specific CPB protocols associated with these invasive surgical approaches, based on our clinical experience and according to the recent literature. Up to now, these protocols are not supported by evidence based in medicine (EBM) [2] or in perfusion (EBP). Discrepancies can be observed regarding target temperature , selective cerebral protection , CPB circuit concept and arterial cannulation sites . Variables guidelines are suggested concerning regional flow , transfusion requirements [3], coagulation monitoring blood gas management[4] as for cerebral and CPB monitoring tools. Conclusions In the absence of EBM and EBP in the aortic surgery field, the short and long terms clinical outcomes of the patients elected to invasive surgery for aortic diseases must guide and substantiate our choices of techniques and of CPB protocols. [less ▲]

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See detailLe jugement du goût, du gustatif à l’esthétique
Von Hoffmann, Viktoria ULg

Conference (2012, October 02)

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See detailGBS SCREENING Belgium: current and future guidelines
MELIN, Pierrette ULg

Conference (2012, October 02)

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See detailPlanification successorale : les avancées du Règlement européen relatif aux successions
Wautelet, Patrick ULg

Conference (2012, October 02)

Cette présentation a pour objectif de mettre en exergue les grands principes retenus par le Règlement européen relatif aux successions. Pour ce faire, les règles européennes sont contrastées avec le cadre ... [more ▼]

Cette présentation a pour objectif de mettre en exergue les grands principes retenus par le Règlement européen relatif aux successions. Pour ce faire, les règles européennes sont contrastées avec le cadre juridique actuel. [less ▲]

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See detailPropriétés physicochimiques et électrochimiques de catalyseurs Pt/xérogel de carbone synthétisés par la méthode de SEA multiple.
Zubiaur, Anthony ULg; Chatenet, M.; Maillard, F. et al

Conference (2012, October 01)

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See detailPréparation de couches catalytiques pour PEMFC à partir de xérogels de carbone.
Deschamps, Fabien ULg; Traina, Karl; Pirard, Jean-Paul et al

Conference (2012, October 01)

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See detailFonctionnalisation surfacique de poudre de carbone pour greffer des nanoparticules métalliques par plasma.
Laurent-Brocq, M.; Job, Nathalie ULg; Pireaux, J.-J.

Conference (2012, October 01)

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See detailThe earthquake sedimentary record in the the Sea of Marmara, Turkey
Hubert, Aurelia ULg; Drab, Loreen; Schmidt, Sabine et al

Conference (2012, October)

The submarine part of the North Anatolian Fault (NAF) is a very significant hazard for the 12 million people living in Istanbul (Turkey). An accurate seismic risk assessment necessitates ... [more ▼]

The submarine part of the North Anatolian Fault (NAF) is a very significant hazard for the 12 million people living in Istanbul (Turkey). An accurate seismic risk assessment necessitates paleoseismological data, which can be retrieved in the Marmara Sea by using sedimentary cores. We present here a record of turbidites obtained in cores spanning the Tekirdag ̆ Basin, the Western High, the Central Basin, and the Cinarcik Basin. In the Tekirdag and Western High the turbidites are synchronous pointing to shaking by earthquakes as a triggering mechanism. Generally seismoturbidites in the Marmara Sea are distinguished from other turbidites based in their large extension, their particular granulometric and their particular geochemical characteristics. The 210Pb and 137Cs radionucleides measurements have also shown that the M=7.4 1912 Mürefte earthquake and the M=7.3 1894 Prince's Island earthquake have left a distinctive sedimentary imprint at the top of the studied cores. The chronology of other seismoturbidites is built combining radiocarbon dating and secular variation patterns of paleo-declination and paleo-inclination. Finally the obtained record is compared to the historical seismicity record. [less ▲]

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See detailSynthèse de MWNT dans un réacteur continu incliné rotatif à lit mobile par procédé CCVD
Douven, Sigrid ULg; Pirard, Sophie ULg; Chan, Fang-Yue et al

Conference (2012, October)

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See detailA design for living: metaleptic devices and trends of gnostic imagination in contemporary science-fiction
Claisse, Frédéric ULg

Conference (2012, October)

As a narrative pattern and a cultural motif, the confusion between fictional worlds and reality traditionally leads to metaphysical arguments about liberty and destiny. Despite their drawing heavily on ... [more ▼]

As a narrative pattern and a cultural motif, the confusion between fictional worlds and reality traditionally leads to metaphysical arguments about liberty and destiny. Despite their drawing heavily on scientific imagination and technoscientific artefacts, science fiction movies exploring that theme never really broke with the way it has been treated since Calderon de la Barca’s Life is a dream: the hero’s quest leads him to doubt his own identity and dispute the ontological status of the world he lives in, leaving him and the viewer perplexed as to the ultimate nature of things. Yet, in the last fifteen years, an increasing number of science-fiction movies renewed that interrogation, notably by placing the issue of design at the centre of the plot: fictional worlds are not only denounced as fictional, but also shown as works in progress, literally rebuilt according to the plan of not-so-hidden designers acting as demiurges. In Dark City, Vanilla Sky or, more recently, Inception and The Adjustment Bureau, the emphasis on design and architecture together with the use of computational metaphors result in the promotion of one particular world to the status of “reference” universe, to be held as more “real” than other, fabricated and computed worlds made accessible by sophisticated devices operating as metaleptic instruments (such as Neo’s cable plug or the “bio-ports” in ExistenZ). This paper wishes to explore this shift towards “gnostic", Matrix-like science-fictional narratives, particularly in relation to the dramatic development of networking and surveillance capabilities that occurred during the same period. [less ▲]

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