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Peer Reviewed
See detailLa chirurgie du thymus, normal, involue ou tumoral
Limet, Raymond ULg; Rogister, Bernard ULg

in Revue Médicale de Liège (2000), 55(10), 940-4

Thymoma is the most frequently resected mediastinal tumor. Its malignancy is related more to macroscopical findings than to microscopical analysis. All thymomas should be resected, in order to prevent ... [more ▼]

Thymoma is the most frequently resected mediastinal tumor. Its malignancy is related more to macroscopical findings than to microscopical analysis. All thymomas should be resected, in order to prevent malignant degeneration. Furthermore, for the treatment of myasthenia, several centers recommend resection of the thymus, either tumoral (thymoma) or atrophied. Although the role of surgery in this regard is controversial, all authors unanimously stress that complete resection of all thymic remnants is essential to achieve adequate results. [less ▲]

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See detailChirurgie et cancer en 2013
DETRY, Olivier ULg

Scientific conference (2013, April 29)

Detailed reference viewed: 32 (6 ULg)
Peer Reviewed
See detailLa chirurgie mammaire supraconservatrice
Lifrange, Eric ULg; Colin, Claude ULg

in Journal de Gynécologie, Obstétrique et Biologie de la Reproduction (2000), 29(3), 285-7

Currently, 30% of the breast biopsies are performed for patients with nonpalpable lesions. The surgical management of these lesions had to evolve to a better three-dimensional targeting and a reduction of ... [more ▼]

Currently, 30% of the breast biopsies are performed for patients with nonpalpable lesions. The surgical management of these lesions had to evolve to a better three-dimensional targeting and a reduction of the tissue traumatism. The ABBI procedure allows the percutaneous one bloc excision of suspicious mammographically detected lesions with a diameter of less than 2cm. We prospectively evaluated this procedure as a therapeutic tool. Of the 10 malignant lesions with a pathologic size <10mm, 9 (90%) were completely resected with the ABBI device (no residual disease at re-excision of the biopsy site). The results of this preliminary study suggest a potential therapeutic role of the ABBI procedure in the therapeutic arsenal against mammary lesions. [less ▲]

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See detailLa chirurgie metabolique, vers une (r)evolution de la chirurgie bariatrique ?
SCHEEN, André ULg; DE FLINES, Jenny ULg; RORIVE, Marcelle ULg et al

in Revue Médicale de Liège (2011), 66(4), 183-90

Bariatric surgery has proven its efficacy to obtain a marked and sustained weight loss and dramatically improves metabolic control in obese patients. The frequently observed remission of type 2 diabetes ... [more ▼]

Bariatric surgery has proven its efficacy to obtain a marked and sustained weight loss and dramatically improves metabolic control in obese patients. The frequently observed remission of type 2 diabetes occurs very early, before any marked weight reduction. Increasing evidence suggests that this favourable effect results from profound changes in gut hormones involved in the regulation of energy intake behaviour and glucose homeostasis rather than simply from mechanical food restriction or malabsorption imposed by the surgical procedure. The better knowledge of these pathophysiological mechanisms, especially well studied with Roux-en Y gastric bypass, resulted in recent innovation in the technical procedures leading to a shift from bariatric surgery to metabolic surgery. Such type of surgery is currently evaluated in patients with type 2 diabetes, but with only a moderate obesity (BMI < 35 kg/m2), or even without obesity (BMI < 30 kg/m2). The Belgian Metabolic Intervention (BMI) Study Group would like to contribute very soon to this evaluation in a multidisciplinary approach. [less ▲]

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See detailChirurgie metabolique: une place croissante dans le traitement du diabete.
De Flines, J.; Franck, M.; Rorive, M. et al

in Revue Médicale Suisse (2012), 8(351), 1621-41626-7

Bariatric surgery becomes more and more important in the management of the obese patient with type 2 diabetes, especially in case of failure of medical approaches. Metabolic improvement results not only ... [more ▼]

Bariatric surgery becomes more and more important in the management of the obese patient with type 2 diabetes, especially in case of failure of medical approaches. Metabolic improvement results not only from weight loss and the subsequent reduction in insulin resistance, but also from modifications of digestive hormones (especially incretins) that contribute to promote insulin secretion. This new paradigm, moving from bariatric surgery to metabolic surgery, opens new perspectives. The present article briefly describes innovative surgical techniques focusing on endocrine and metabolic improvement rather than on weight loss, the preliminary results of metabolic surgery in patients with type 2 diabetes and a body mass index <35 kg/m2 and, finally, some data regarding the surgical management of obese patients with type I diabetes not well treated with classical medical means. [less ▲]

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See detailLa chirurgie oncoplastique du sein.
BOUS, Aurélie ULg; NARDELLA, Daniele ULg; MAWEJA, Sylvie ULg et al

in Revue Médicale de Liège (2011), 66(5-6), 341-50

Oncoplastic surgery combines large lumpectomy and defect remodeling by different plastic surgery methods. These procedures improve the cosmetic result after partial mastectomy and widens the possibilities ... [more ▼]

Oncoplastic surgery combines large lumpectomy and defect remodeling by different plastic surgery methods. These procedures improve the cosmetic result after partial mastectomy and widens the possibilities for conservative treatment. Different techniques are used from simple glandular remodeling to more difficult techniques for breast plasties with or without simultaneous controlateral symetrisation procedure. The surgical option depends especially on the ratio between the volume of the tumor and the volume of the breast and the position of the tumor. This more effective conservative treatment facilitates also postoperative radiotherapy, reduces the sequellae and the psychological impact of breast cancer treatment. [less ▲]

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See detailChirurgie pédiatrique en exemples
Battisti, Oreste ULg

Learning material (2008)

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See detailChirurgie pédiatrique illustrée
Battisti, Oreste ULg; Battisti, Oreste ULg

Learning material (2009)

cours didactique sur la chirurgie pédiatrique

Detailed reference viewed: 121 (25 ULg)
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See detailLa chirurgie sous hypnosedation. Une nouvelle approche therapeutique pour l'hyperparathyroidie.
Defechereux, Thierry ULg; Faymonville, Marie ULg; Joris, Jean ULg et al

in Annales de Chirurgie (1998), 52(5), 439-43

The elective unilateral approach, sometimes under local anaesthesia, offers many advantages in terms of less invasive and faster surgical approach compared to the conventional surgery under general ... [more ▼]

The elective unilateral approach, sometimes under local anaesthesia, offers many advantages in terms of less invasive and faster surgical approach compared to the conventional surgery under general anaesthesia. Nevertheless this approach is restricted to patients unsuspected of multiglandular disease, free from thyroid disease and for whom localization studies are contributive. Surgery under hypnosedation offers the same advantages and provides the possibility of not only exploring the four glands but also of performing a partial thyroidectomy if needed. In our experience 21 patients underwent a cervicotomy under hypnosedation for primary hyperparathyroidism (HPT). No conversion to general anaesthesia was needed; mean operative time was 52 +/- 16 min. In 17 cases, HPT was due to a single adenoma, in 3 cases to hyperplasia (among them a MEN-1 case), and in one last case to a double adenoma. The four glands were identified in 85%. With a follow-up running from 4 to 45 months, all patients are cured. Hypnosedation offers the same medical and economic advantages than the unilateral access under local anaesthesia. Moreover indications are not restricted to selected patients. [less ▲]

Detailed reference viewed: 48 (2 ULg)
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See detailChirurgie vasculaire chez l'octogénaire
VAN DAMME, Hendrik ULg; SMITZ, Simon ULg; LARBUISSON, Robert ULg et al

in Revue Médicale de Liège (1998), 53(3), 149-57

The prevalence of peripheral vascular disease increases with aging of the population. About 8% of the octogenarians present significant carotid artery stenosis, about 4% have an abdominal aortic anneurysm ... [more ▼]

The prevalence of peripheral vascular disease increases with aging of the population. About 8% of the octogenarians present significant carotid artery stenosis, about 4% have an abdominal aortic anneurysm of 40 mm or more, and 6% suffer critical limb ischemia. Carotid endarterectomy in octogenarians is a valuable tool for stroke prevention, only if the combined perioperative stroke-mortality rate is lower than 3%. Operating an abdominal aneurysm of 50 mm or more in octogenarians is characterized by an operative mortality that is higher compared to that observed in a younger patient group (4.7% vs 2.7%). Aneurysm-surgery remains nevertheless justified, since it is the only way to prevent the evolution to rupture, that is almost fatal. Limb salvage surgery should always be considered for an 80-years patient with critical limb ischemia, since readaptation after major limb-amputation is not evident for octogenarians. An extensive review of literature is presented concerning vascular aging and results of carotid surgery, aneurysm repair and lower limb revascularization in octogenarians. The authors report their own recent experience with carotid surgery and aneurysm repair in patients aged 80 years or older. [less ▲]

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See detailChirurgie versus angioplastie des artères coronaires
Legrand, Victor ULg; Martinez, Christophe ULg

in Revue Médicale de Liège (1999), 54(7), 593-9

Revascularization techniques such as coronary angioplasty or coronary artery bypass surgery play a growing role in the management of coronary artery disease. Angioplasty is the treatment of choice for ... [more ▼]

Revascularization techniques such as coronary angioplasty or coronary artery bypass surgery play a growing role in the management of coronary artery disease. Angioplasty is the treatment of choice for single coronary lesions while surgery remains the best approach for the revascularization of multivessel disease. There are some exceptions to this rule, however. Bypass surgery may be recommended for the revascularisation of proximal left anterior descending lesions and, of course, for isolated left main stenosis. On the opposite, coronary angioplasty and stenting is used more frequently in the treatment of multivessel lesions amenable to this technique. Choice of either method of revascularization is pragmatic, based on clinical, anatomical and physiological considerations and organized in the setting of a medicosurgical collaboration. [less ▲]

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See detailChirurgie, radiotherapie ou hormonotherapie dans le traitement du cancer de la prostate
Bonnet, Pierre ULg; Coppens, Luc ULg; Andrianne, Robert ULg et al

in Revue Médicale de Liège (1999), 54(11), 875-85

Prostatic cancer (PC) became the first diagnosed cancer in western men and is the second leading cause of cancer death in men. Wide utilisation of serum PSA and free PSA measurements, identifies patients ... [more ▼]

Prostatic cancer (PC) became the first diagnosed cancer in western men and is the second leading cause of cancer death in men. Wide utilisation of serum PSA and free PSA measurements, identifies patients requiring transrectalultrasonography (TRUS) and TRUS guided biopsies. Most prostatic cancers diagnosed today are locally limited and may be treated by radical surgery or radiotherapy. In case of disseminated disease, hormonal manipulations remain the treatment of choice. In that field, many new drugs have been designed to allow medical castration with less complications, especially regarding sexual potency. [less ▲]

Detailed reference viewed: 156 (19 ULg)
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See detailLe chirurgien face aux polyendocrinopathies familiales: attitudes pratiques. Deuxieme partie: La polyendocrinopathie familiale type 2.
Meurisse, Michel ULg; Gérard, J; Plumacker, A. et al

in Revue medicale de Liege (1989), 44(23), 724-30

Detailed reference viewed: 8 (0 ULg)
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See detailLe chirurgien face aux polyendocrinopathies familiales: attitudes pratiques. Premiere partie: La polyendocrinopathie familiale type 1.
Meurisse, Michel ULg; Gérard, J; Plumacker, A. et al

in Revue medicale de Liege (1989), 44(23), 717-23

Detailed reference viewed: 11 (0 ULg)
See detailLe chirurgien Héliodore : tradition directe et indirecte
Marganne, Marie-Hélène ULg

in Sabbah, Guy (Ed.) Études de médecine romaine (1988)

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See detailChirurgue Bariatrique. morbi-mortalité chez les patients diabétiques.
RADERMECKER, Régis ULg

in Diabétologie Pratique (2008), 22

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Peer Reviewed
See detailChitin-Glucan, a natural cell scaffold for skin rejuvenation: in vivo safety and efficacy.
Gautier, S.; Xhauflaire-Uhoda, Emmanuelle; Gonry, P. et al

in International Journal of Cosmetic Science (2008), 30

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See detailThe Chitobiose-Binding Protein, DasA, Acts as a Link between Chitin Utilization and Morphogenesis in Streptomyces Coelicolor
Colson, Séverine ULg; van Wezel, G. P.; Craig, Matthias ULg et al

in Microbiology (2008), 154(Pt 2), 373-82

Streptomycetes are mycelial soil bacteria that undergo a developmental programme that leads to sporulating aerial hyphae. As soil-dwelling bacteria, streptomycetes rely primarily on natural polymers such ... [more ▼]

Streptomycetes are mycelial soil bacteria that undergo a developmental programme that leads to sporulating aerial hyphae. As soil-dwelling bacteria, streptomycetes rely primarily on natural polymers such as cellulose, xylan and chitin for the colonization of their environmental niche and therefore these polysaccharides may play a critical role in monitoring the global nutritional status of the environment. In this work we analysed the role of DasA, the sugar-binding component of the chitobiose ATP-binding cassette transport system, in informing the cell of environmental conditions, and its role in the onset of development and in ensuring correct sporulation. The chromosomal interruption of dasA resulted in a carbon-source-dependent vegetative arrest phenotype, and we identified a second DasR-dependent sugar transporter, in addition to the N-acetylglucosamine phosphotransferase system (PTS(GlcNAc)), that relates primary metabolism to development. Under conditions that allowed sporulation, highly aberrant spores with many prematurely produced germ tubes were observed. While GlcNAc locks streptomycetes in the vegetative state, a high extracellular concentration of the GlcNAc polymer chitin has no effect on development. The striking distinction is due to a difference in the transporters responsible for the import of GlcNAc, which enters via the PTS, and of chitin, which enters as the hydrolytic product chitobiose (GlcNAc(2)) through the DasABC transporter. A model explaining the role of these two essentially different transport systems in the control of development is provided. [less ▲]

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See detailChitosan and chitosan derivatives in drug delivery and tissue engineering
Riva, Raphaël ULg; Raguelle, Héloïse; des Rieux, Anne et al

in Jayakumar, Rangasamy; Prabaharan, M.; Muzzarelli, Ricardo A. A. (Eds.) Chitosan for Biomaterials II (2011)

Chitosan is a nontoxic, biodegradable, and biocompatible polysaccharide of β(1-4)-linked d-glucosamine and N-acetyl-d-glucosamine. This derivative of natural chitin presents remarkable properties that ... [more ▼]

Chitosan is a nontoxic, biodegradable, and biocompatible polysaccharide of β(1-4)-linked d-glucosamine and N-acetyl-d-glucosamine. This derivative of natural chitin presents remarkable properties that have paved the way for the introduction of chitosan in the biomedical and pharmaceutical fields. Nevertheless, the properties of chitosan, such as its poor solubility in water or in organic solvents, can limit its utilization for a specific application. An elegant way to improve or to impart new properties to chitosan is the chemical modification of the chain, generally by grafting of functional groups, without modification of the initial skeleton in order to conserve the original properties. The functionalization is carried out on the primary amine group, generally by quaternization, or on the hydroxyl group. This review aims to provide an overview of chitosan and chitosan derivatives used for drug delivery, with a special emphasis on chemical modifications of chitosan to achieve specific biomedical purpose. The synthesis of the main chitosan derivatives will be reviewed. The applications of chitosan and these chitosan derivatives will be illustrated. [less ▲]

Detailed reference viewed: 166 (11 ULg)