References of "Kaux, Jean-François"
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See detailComparison between Perkin-Elmer and Chromsytem Vitamin D kit on TQ 5500 from AB SCIEX
LE GOFF, Caroline ULg; PEETERS, Stéphanie ULg; CRINE, Yannick ULg et al

in Biochimica Clinica (2013, May), 37(SS), 471

Background: Twenty-five hydroxy-vitamin D (25(OH) D) determination is now routinely prescribed in the Laboratory. Recently, different new methods have been available for this determination. Among them ... [more ▼]

Background: Twenty-five hydroxy-vitamin D (25(OH) D) determination is now routinely prescribed in the Laboratory. Recently, different new methods have been available for this determination. Among them, LCMS/MS methods have emerged in some laboratories. However these methods are generally “home-brewed” and an important variability between them can be seen on different external quality controls, mainly due to a lack of standardization. Recently, Perkin-Elmer (PE) (Turku, Finland) and Chromsystem (CS) (Grafelfing, Germany) launched a standardised method for 25(OH )D determination on LCMS/MS. The aim of our study was to compare these methods on the AB SCIEX TQ5500 (Framingham, Massachusetts, USA) LCMS/MS to measure 25(OH) D3. Methods All the samples were treated according to our preanalyitical procedure: after sampling, they were spun at +4°c at 3500G, aliquoted and kept frozen at -20°c until determination. A method comparison was assessed with CS and PE for the measurement of the 25(OH)D3. We selected 110 remnant samples with 25(OH)D3 levels ranging from 1.6 to 136.7 ng/ml with the PE method to cover the range of usually values Slope and intercept were calculated using Passing and Bablock linear regression and we compared the methods with the Bland and Altman plots. Results For CS, the method is linear up to 250 µg/L, the LOQ is 3.6 µg/L, the intra-assay CV is < 5% and the inter-assay is < 7%. For PE, the method is linear up to 314 µg/L, the LOQ is 3.4 µg/L, the intra-assay CV is < 7.8% and the inter-assay is < 8.5%. On the whole range of measure (n=110), the regression equation is PE = 0.8521+0.9226 (CS) (95%CI of the intercept: (-0.0048;1.37) and 95% CI of the slope (0.89;0.95). The Bland and Altman plot does not show any bias between the two methods (mean difference CS-PE= -2.5 ng/ml) and the standard deviation of the mean is 3,98 ng/ml Conclusion: The performances of these methods are comparable on our new TQ 5500 from AB SCIEX. For now, there is no consensus on a “reference” method for vitamin D quantification. We notice only that the values obtained by CS are systematically a little bit lower than PE’s values, especially for results below 20 ng/ml. However, we have no clear explanation for such behaviour. [less ▲]

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See detailEpreuves isocinétiques de résistance à la fatigue
Croisier, Jean-Louis ULg; Bosquet, L.; Maquet, Didier ULg et al

in Lettre de Médecine Physique et de Réadaptation (2013)

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See detailThérapeutiques récentes des tendinopathies du sportif (ondes de choc, injections de plaquettes, ...)
Crielaard, Jean-Michel ULg; Kaux, Jean-François ULg

in Abstract book du 21ème Séminaire hivernal de Médecine sportive 2013 (2013, April)

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See detailTendinopathies et lésions particulières de la cheville et du pied du sportif
Crielaard, Jean-Michel ULg; Kaux, Jean-François ULg

in Abstract book du 21ème Séminaire hivernal de Médecine sportive 2013 (2013, April)

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See detailLe travail excentrique : aspects musculaires et tendineux
Kaux, Jean-François ULg; Hody, Stéphanie ULg; Forthomme, Bénédicte ULg et al

in Prévention des troubles musculo-squelettiques chez le sportif (2013)

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See detailSynovite villonodulaire pigmentée du genou
Smets, Fanny; KURTH, William ULg; Crielaard, Jean-Michel ULg et al

in Revue Médicale de Liège (2013), 68(3), 104-109

This case report is concerned with a 30 year old patient diagnosed with pigmented villonodular synovitis (PVNS) in the knee. The patient underwent an orthopedic surgical operation to remove the lesions ... [more ▼]

This case report is concerned with a 30 year old patient diagnosed with pigmented villonodular synovitis (PVNS) in the knee. The patient underwent an orthopedic surgical operation to remove the lesions. PVNS is a rare proliferative disorder, mostly benign and affecting the knee; its aetiology remains unclear. It represents a medical challenge because of non-specific symptoms that delay the diagnosis with a very high rate of recurrence. MRI imaging is necessary to explore the lesions, but the final diagnosis can only be made after anatomopathologic analysis of the excised lesions. When multiple lesions are present, the treatment consists of their excision by arthrotomy, or by arthroscopy if the disease is localized. [less ▲]

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See detailLa lésion musculaire des ischio-jambiers
Delvaux, François ULg; Rochcongar, Pierre; Ferret, JM et al

in Prévention des troubles musculo-squelettiques chez le sportif (2013)

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See detailApproche préventive de la lésion d'épaule chez le sportif
Forthomme, Bénédicte ULg; Gleizes-Cervera, S; Delvaux, François ULg et al

in Prévention des troubles musculo-squelettiques chez le sportif (2013)

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See detailL'équilibre de force musculaire agonistes / antagonistes
Croisier, Jean-Louis ULg; Delvaux, François ULg; Kaux, Jean-François ULg et al

in Prévention des troubles musculo-squelettiques chez le sportif (2013)

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See detailPlatelet-rich plasma application in the management of chronic tendinopathies
Kaux, Jean-François ULg; Crielaard, Jean-Michel ULg

in Acta Orthopaedica Belgica (2013), 79(1), 10-15

Platelet-rich plasma (PRP) may represent a new therapeutic option for chronic tendinopathies. Platelets release various cytokines and growth factors which promote angiogenesis, tissue remodeling, and ... [more ▼]

Platelet-rich plasma (PRP) may represent a new therapeutic option for chronic tendinopathies. Platelets release various cytokines and growth factors which promote angiogenesis, tissue remodeling, and wound healing. We made an exhaustive review of the use of PRP in chronic tendinopathies: epicondylitis, rotator cuff, patellar and calcaneal tendinopathies, and plantar fasciitis. Medline, Embase and Google Scholar were used (until July 31, 2012). Clinical studies about PRP and tendinopathies (in English and French language peer-reviewed journals) were included. Articles with a high level of evidence were considered preferentially. Despite the proven efficacy of PRP on tissue regeneration in experimental studies, there is currently scanty tangible clinical evidence with respect to chronic tendon disorders. The few studies that have been performed appear unlikely to be comparable. Randomized controlled studies with appropriate placebo groups are needed to determine the real effectiveness of PRP for treating chronic musculoskeletal injuries. [less ▲]

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See detailEccentric training improves tendon biomechanical properties: a rat model
Kaux, Jean-François ULg; Drion, Pierre ULg; Libertiaux, Vincent et al

in Journal of Orthopaedic Research (2013), 31(1), 119-124

Introduction: The treatment of choice for tendinopathies is eccentric reeducation. Although the clinical results appear favourable, the biomechanical changes to the tissue are not yet clear. Even if the ... [more ▼]

Introduction: The treatment of choice for tendinopathies is eccentric reeducation. Although the clinical results appear favourable, the biomechanical changes to the tissue are not yet clear. Even if the mechanotransduction theory is commonly accepted, the physiology of tendons is not clearly understood. We aimed to better define the biomechanical and histological changes that affect healthy tendon after eccentric and concentric training. Materiel and Methods: This study compared the effects of 2 methods of training (eccentric (E) training and concentric (C) training) with untrained (U) rats. The animals were trained over a period of 5 weeks. The tricipital, patellar and Achilles tendons were removed, measured and a tensile test until failure was performed. A histological analysis (hematoxylin and eosin and Masson's trichrome stains) was also realized. Results: There was a significant increase in the rupture force of the patellar and tricipital tendons between the U and E groups. The tricipital tendons in the control group presented a significantly smaller cross-sectional area than the E- and C-trained groups, but none was constated between E and C groups. No significant difference was observed for the mechanical stress between the three groups for all three tendons. Histological studies demonstrated the development of a greater number of blood vessels and a larger quantity of collagen in the E group. Discussion and conclusion: The mechanical properties of tendons in rats improve after specific training, especially following eccentric training. Our results partly explained how mechanical loading, especially in eccentric mode, could improve the healing of tendon. [less ▲]

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See detailAnatomie, physiologie et sémiologie du membre supérieur
Kaux, Jean-François ULg

Learning material (2013)

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See detailEpaules douloureuses et instables
Kaux, Jean-François ULg

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See detailArthropathies acromio-claviculaires
Kaux, Jean-François ULg

Learning material (2013)

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See detailTendinopathies du genou
Kaux, Jean-François ULg

Learning material (2013)

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See detailOstéomalacie hypophosphatémique hyperphosphaturique avec hypersécrétion de FGF-23
COLSON, Laurent ULg; Vander Rest, Catherine; Reginster, Jean-Yves ULg et al

in Lettre du Rhumatologue (La) (2012), 387

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See detailPoint actuel sur la signification des ratios agonistes / antagonistes au membre inférieur
Croisier, Jean-Louis ULg; Delvaux, François ULg; Kaux, Jean-François ULg et al

in Abstract book des XIVèmes Rencontres isocinétiques MEDIMEX / ROTHSCHILD (2012, November)

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See detailPerformances isocinétiques et risque lésionnel de l’épaule chez le joueur de handball de haut niveau
Forthomme, Bénédicte ULg; Schiettecatte, Delphine; GAULT, Clément ULg et al

in Abstract book des XIVèmes Rencontres isocinétiques MEDIMEX / ROTHSCHILD (2012, November)

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See detailTendinopathies et plasma riche en plaquettes (PRP) : applications cliniques. Revue de la littérature
Kaux, Jean-François ULg; Crielaard, Jean-Michel ULg

in Journal de Traumatologie du Sport (2012), 3(29), 174-178

Tendinopathies are common and frequently resisting to actual conservative measures. The aim of this review was to gather the actual knowledge concerning the platelet-rich plasma (PRP) treatment in tendon ... [more ▼]

Tendinopathies are common and frequently resisting to actual conservative measures. The aim of this review was to gather the actual knowledge concerning the platelet-rich plasma (PRP) treatment in tendon lesion. However, given the relative recent knowledge about PRP in sports medical, the studies could not yet reproduce the beneficial effects obtained in-vitro. Most studies about the subject indeed show an improvement in symptoms after PRP treatment but, the few studies of high level of evidence are contradictory. Therefore, there is no evidence of formally advise the use of PRP in the treatment of tendinopathy. So the main research field in the close future will have to determine a standard for the manufacture of PRP and the protocols of the future studies in order to be able to compare them. [less ▲]

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