References of "Reginster, Jean-Yves"
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See detailPhalangeal osteosonogrammetry study: age-related changes, diagnostic sensitivity, and discrimination power. The Phalangeal Osteosonogrammetry Study Group.
Wuster, C; Albanese, C; De Aloysio, D et al

in Journal of Bone and Mineral Research (2000), 15(8), 1603-14

Phalangeal osteosonogrammetry was introduced as a method for bone tissue investigation in 1992. It is based on the measure of the velocity of ultrasound (amplitude-dependent speed of sound [AD-SoS]) and ... [more ▼]

Phalangeal osteosonogrammetry was introduced as a method for bone tissue investigation in 1992. It is based on the measure of the velocity of ultrasound (amplitude-dependent speed of sound [AD-SoS]) and on the interpretation of the characteristics of the ultrasound signal. In this study we have collected a database of 10,115 subjects to evaluate the performance of AD-SoS and to develop a parameter that is able to quantify the signal characteristics: ultrasound bone profile index (UBPI). The database only includes females of which 4.5% had documented vertebral osteoporotic fractures, 16% lumbar spine dual X-ray absorptiometry (DXA), and 6% hip DXA. The analysis of the ultrasound signal has shown that with aging the UBPI, first wave amplitude (FWA), and signal dynamics (SDy) follow a trend that is different from the one observed for AD-SoS; that is, there is no increase during childhood. In the whole population, the risk of fracture per SD decrease for AD-SOS was odds ratio (OR) 1.71 (CI, 1.58-1.84). The AD-SoS in fractured subjects was significantly lower than in a group of age-matched nonfractured subjects (p < 0.0001). In a small cohort of hip-fractured patients UBPI proved to be lower than in a control age-matched group (p < 0.0001). When the World Health Organization (WHO) working group criteria were applied to this population to identify the T score value for osteoporosis, for AD-SoS we found a T score of -3.2 and for UBPI we found a T score of -3.14. Sixty-six percent of vertebral fractures were below the AD-SoS -3.2 T score and 62% were below UBPI -3.14. We observed the highest incidence of fractures (63.6%) among subjects with AD-SoS who had both DXA T score values below the threshold. We conclude from this study that ultrasound investigation at the hand phalanges is a valid methodology for osteoporosis assessment. It has been possible to quantify signal changes by means of UBPI, a parameter that will improve the possibility of investigating bone structure. [less ▲]

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See detailPilootproject : ontslagmanagement in Belgische ziekenhuizen. [Pilot study : discharge management in Belgian hospitals]. Final report, 2000
Abraham, I; Bollen, S; de Froidmont, C et al

Report (2000)

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See detailEvidence-based medicine. Apport des etudes epidemiologiques.
REGINSTER, Jean-Yves ULg; BETZ, Romain ULg

in Revue Médicale de Liège (2000), 55(4), 211-5

Epidemiological studies, more specifically those related to analytical epidemiology are a major determinant of evidence-based medicine. When classifying the value of the different epidemiological studies ... [more ▼]

Epidemiological studies, more specifically those related to analytical epidemiology are a major determinant of evidence-based medicine. When classifying the value of the different epidemiological studies, based on their level of causality, cohort studies are ranked higher than case-control studies, mainly due to the fact that they allow direct collection of information on exposition to risk factors and health consequences. However, case-control studies can also provide an important information, if a specific effort is dedicated to the analyses of the circumstances of the exposition. Meta-analysis increases, by pooling them, the statistical power of individual studies of limited size. Meta-analysis can also be considered as an important source of evidence in the perspective of evidence-based medicine. [less ▲]

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See detailL'osteoporose involutive de la femme: strategie therapeutique. Un point de vue actualise du Belgian Bone Club.
Kaufman, J M; Body, J J; Boonen, S et al

in Revue Médicale de Liège (2000), 55(5), 443-8

Osteoporosis is now considered as a major public health issue and a serious threat for the quality of life of elderly women. Several new compounds are currently marketed for the prevention and treatment ... [more ▼]

Osteoporosis is now considered as a major public health issue and a serious threat for the quality of life of elderly women. Several new compounds are currently marketed for the prevention and treatment of involutional osteoporosis in women. Therefore, it is important to offer to the practitioners pragmatic solutions to be used for the rational management of this disorder. This article is the result of a national consensus offering practical guidelines for the management of osteoporotic patients, based on the current published data. [less ▲]

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See detailSynthesis and evaluation of non-carboxylic pyridinic derivatives as cyclooxygenase inhibitors
Dogne, J.-M.; De Leval, X.; Delarge, J. et al

in Mediators of Inflammation (2000), 9

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See detailProfile of nimesulide and nimesulide-L-lysine-β-cyclodextrin on chondrocyte metabolism
De Leval, X.; Dogne, J.-M.; Masereel, B. et al

in Fundamental & Clinical Pharmacology (2000), 14

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See detailComparison of the effects of nimesulide and nimesulide-L-lysine on PGE2 production by COX-1 and COX-2 and on chondrocyte metabolism in vitro
De Leval, X.; Henrotin, Y.; Labasse, A. et al

in Pharmacy and Pharmacology Communications (2000), 6

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See detailComparative effects of nimesulide, nimesulide L-lysine and nimesulide L-lysine L-arginine on human articular chondrocytes in vitro
De Leval, X.; Dogné, Jean-Michel ULg; Delarge, J. et al

in Mediators of Inflammation (2000), 9

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See detailIn vitro study of the antioxidant properties of non steroidal anti-inflammatory drugs by chemiluminescence and electron spin resonance (ESR).
Mouithys-Mickalad, Ange ULg; Zheng, S. X.; Deby-Dupont, G. P. et al

in Free Radical Research (2000), 33(5), 607-21

OBJECTIVES: To determine the antioxidant activities of nonsteroidal anti-inflammatory drugs (NSAIDS), we examined by chemiluminescence (CL) and electron spin resonance (ESR) their scavenging properties ... [more ▼]

OBJECTIVES: To determine the antioxidant activities of nonsteroidal anti-inflammatory drugs (NSAIDS), we examined by chemiluminescence (CL) and electron spin resonance (ESR) their scavenging properties towards lipid peroxides, hypochlorous acid and peroxynitrite. METHODS: The antioxidant properties of nimesulide (NIM), 4-hydroxynimesulide (4-HONIM), aceclofenac (ACLO), 4-hydroxyaceclofenac (4-HOA-CLO), diclofenac (DICLO) and indomethacin (INDO) were tested on four different reactive oxygen species (ROS) generating systems: (I) phorbol-myristate acetate (PMA)-activated neutrophils, (II) Fe2+/ascorbate-induced lipid peroxidation, (III) HOCl-induced light emission, (IV) the kinetics of ONOO- decomposition followed by spectrophotometry. ROS production was monitored by luminol-enhanced CL or by ESR using two different spin traps. RESULTS: At 10 microM, ACLO, NIM, 4-HONIM, 4-HOA-CLO, and DICLO decreased luminol-enhanced CL generated by PMA-activated neutrophils. Inversely, INDO increased the luminol enhanced CL. Interestingly, hydroxylated metabolites were more potent antioxidants than the parent drugs. Furthermore, all drugs tested, excepted ACLO, lowered lipid peroxidation induced by Fe2+/ascorbate system. ACLO and DICLO, even at the highest concentration tested (100 microM), did not significantly lower HOCl induced CL, whereas the other drugs were potent scavengers. Finally, all the NSAIDS accelerated decomposition of ONOO-, suggesting a potential capacity of the molecules to scavenge peroxynitrite. CONCLUSION: The NSAIDs possess variable degrees of antioxidant activities, linked to their ability to react with HOCl, lipid peroxides or ONOO-. These antioxidant activities could offer interesting targeted side-effects in the treatment of joint inflammatory diseases. [less ▲]

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See detailThe simple calculated osteoporosis risk estimation (SCORE) does not allow identification of Belgian women with a high risk of osteoporosis
Ben Sedrine, Wafa ULg; Devogelaer, Jean-Pierre; Kaufman, Jean-Marc et al

in Annals of the Rheumatic Diseases (2000), 59(Suppl.1), 80

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See detailInterest of the simple calculated osteoporosis risk estimation (SCORE) tool for a more rational use of bone densitometry
Ben Sedrine, Wafa ULg; Devogelaer, Jean-Pierre; Kaufman, Jean-Marc et al

in Annals of the Rheumatic Diseases (2000), 59(Suppl.1), 80-81

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See detailEvaluation isocinétique des muscles du genou au cours de la gonarthrose
Croisier, Jean-Louis ULg; Henrotin, Yves ULg; Dumont, Régine ULg et al

in Isocinétisme et personnes âgées (2000)

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See detailBisphosphonates
Reginster, Jean-Yves ULg; Paul, I.; Fraikin, G. et al

in The management of the menopause : the Millenium Review (2000)

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