References of "Crielaard, Jean-Michel"
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See detailTranslation validation of a new back pain screening questionnaire (the STarT Back Screening Tool) in French
Bruyère, Olivier ULg; Demoulin, Maryline ULg; Brereton, Clara ULg et al

in Archives of Public Health (2012), 70

Background: Low back pain (LBP) is a major public health problem and the identification of individuals at risk of persistent LBP poses substantial challenges to clinical management. The STarT Back ... [more ▼]

Background: Low back pain (LBP) is a major public health problem and the identification of individuals at risk of persistent LBP poses substantial challenges to clinical management. The STarT Back questionnaire is a validated nine-item patient self-report questionnaire that classifies patients with LBP at low, medium or high-risk of poor prognosis for persistent non-specific LBP. The objective of this study was to translate and cross-culturally adapt the English version of the STarT Back questionnaire into French. Methods: The translation was performed using best practice translation guidelines. The following phases were performed: contact with the STarT Back questionnaire developers, initial translations (English into French), synthesis, back translations, expert committee review, test of the pre-final version on 44 individuals with LBP, final version. Results: The linguistic translation required minor semantic alterations. The participants interviewed indicated that all items of the questionnaire were globally clear and comprehensible. However, 6 subjects (14%) wondered if two questions were related to back pain or general health. After discussion within the expert committee and with the developer of the STarT Back tool, it was decided to modify the questionnaire and to add a reference to back pain in these two questions. Conclusions: The French version of the STarT Back questionnaire has been shown to be comprehensible and adapted to the French speaking general population. Investigations are now required to test the psychometric properties (reliability, internal and external validity, responsiveness) of this translated version of the questionnaire. [less ▲]

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See detailL'épaule du sportif : Evaluation fonctionnelle et réadaptation
Forthomme, Bénédicte ULg; Kaux, Jean-François ULg; Crielaard, Jean-Michel ULg et al

in Ortho-Rhumato (2012), 10(3), 46-50

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See detailApplication clinique du Plasma riche en plaquettes (PRP) pour traiter les lésions tendineuses : revue de la littérature
Smets, Fanny; Croisier, Jean-Louis ULg; Forthomme, Bénédicte ULg et al

in Science & Sports (2012), 27(3), 141-153

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. The interest of this well-known technique, applied since almost 15 years in facial and dental surgery, is growing in the sports world because of its potential ability to treat refractory tendinopathies and to get back quickly a functional use. 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, because of the many biases introduced, such as the lack of population, the lack of control group or the many different kind of PRP used, the studies cannot be conferred a high level of evidence. 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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See detailEffects of platelet-rich plasma on the healing of tendons: animal model
Kaux, Jean-François ULg; Drion, Pierre ULg; Colige, Alain ULg et al

in Biomedica 2012 (2012, April)

Introduction: Platelet-Rich Plasma (PRP) contains lot of growth factors which could enhance the healing process of different tissues. We aimed to determine if a single injection of PRP could improve the ... [more ▼]

Introduction: Platelet-Rich Plasma (PRP) contains lot of growth factors which could enhance the healing process of different tissues. We aimed to determine if a single injection of PRP could improve the cicatrisation of ruptured Achilles tendons of rats. Material and Methods: A 5mm defect was surgically made in the Achilles tendon of 120 rats. A few hours after surgery, 45 rats received a PRP or PBS injection in situ. After 5, 15 and 30 days, 20 rats of both groups were euthanized and 15 collected tendons were immediately submitted to a biomechanical tensile strength test until rupture using a “cryo-jaw” device. After, theses samples were used for transcriptomic analyses. Histological and biochemical analyses were performed on the five remained tendons in each group. Results: Tendons in the PRP group were more resistant to rupture at 15 and 30 days than those in the control group. The transverse area of tendons in the PRP group was significantly higher at day 5 and 15. The constraint was significantly increased in tendons of the PRP group in the late phase of the healing (day 30). Histological and immunohistological analysis showed an increased staining for fibrillar collagen at day 5 confirmed by a biochemical analysis showing an increased collagen concentration in the callus. The expression of tenomodulin, a tenocyte differentiation marker, was significantly higher in the PRP-treated tendons at day 5. No significant difference in terms of mRNA for type III collagen and matrix metalloproteinase 9 was observed at any time between the 2 groups. Conclusion: A single injection of PRP in sectioned Achilles tendon of rats few hours after surgery influences the early phase of tendons healing, resulting in an ultimate stronger mechanical resistance. [less ▲]

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See detailPlatelet-rich plasma to treat jumper’s knee: preliminary results
Kaux, Jean-François ULg; CROISIER, Jean-Louis ULg; SIMONI, Paolo ULg et al

in Biomedica 2012 (2012, April)

Introduction: Tendinopathies, especially jumper’s knee, often remain rebel to conservative treatments. Several experimental studies have shown the healing properties of platelet and their growth factors ... [more ▼]

Introduction: Tendinopathies, especially jumper’s knee, often remain rebel to conservative treatments. Several experimental studies have shown the healing properties of platelet and their growth factors. Researches have specifically demonstrated the platelets action as mediator and/or enhancer of tissue healing. The aim of our study was to investigate the effect of 1 injection of PRP in patients suffering from chronic jumper’s knee. Our protocol was approved by Ethic Committee of University and University Hospital of Liège. Methods: Patients performed imaging (US and MRI) and functional assessments, and a clinical examination using an algometer, before treatment and 6 weeks after PRP treatment. They were also invited to answer to questionnaire relative to pain and functional status. PRP was obtained from autologous blood using an apheresis system (COM.TEC, Fresenius). The injection of 6mL of PRP was realised without local anaesthesia into the proximal insertion of the patellar tendon. A 48h rest-time was recommended after infiltration. Afterwards, a submaximal eccentric reeducation was initiated 1 week after infiltration 3 times a week during 5 weeks. In case of pain, anti-inflammatory drugs were prohibited and patient were encouraged to take class I or II painbrakers. Results: At this time, 10 patients with jumper’s knee were included in our study. Pre-injection tests revealed pain of the upper part of the patellar tendon just below the patella, associated with loss of function. Imaging exams confirmed diagnosis. Six weeks post-injection, the clinical status was improved in all patients, with a significant decrease of algo-functional scores. The pain reported during functional assessments was decreased (in particular for the eccentric actions), yet no significant improvement of physical performances was observed. We found no significant differences between imaging exams before and 6 weeks after PRP injection. Conclusion: One in situ injection of PRP clinically improved patients with jumper’s knee 6 weeks after treatment. All the 10 patients reported a decrease of pain during day-life and through physical activities. However nor functional performances neither imaging were improved. [less ▲]

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See detailSpécificités de la proprioception de l’épaule
Forthomme, Bénédicte ULg; Kaux, Jean-François ULg; Crielaard, Jean-Michel ULg et al

in Julia, M.; Hirt, D.; Perrey, S. (Eds.) et al La proprioception (2012)

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See detailAlteration of muscle function after electrical stimulation bout of knee extensors and flexors
Vanderthommen, Marc ULg; Triffaux, Mylène; Demoulin, Christophe ULg et al

in Journal of Sports Science & Medicine [=JSSM] (2012), 11

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See detailMuscular Performance Assessment of Trunk Extensors: A Critical Appraisal of the Literature
Demoulin, Christophe ULg; GROSDENT, Stéphanie ULg; Smeets, Rob et al

in Asghar Norasteh, Ali (Ed.) Low Back Pain (2012)

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See detailComparison of gaseous cryotherapy with more traditional forms of cryotherapy following total knee arthroplasty
Demoulin, Christophe ULg; Brouwers, M.; Darot, S. et al

in Annals of Physical and Rehabilitation Medicine (2012), 55

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See detailComparaison de la cryothérapie gazeuse à des formes de cryothérapie plus traditionnelles après arthroplastie totale du genou
Demoulin, Christophe ULg; Brouwers, M.; Darot, S. et al

in Annales de Réadaptation et de Médecine Physique (2012), 55

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See detailImagerie motrice après fracture de l'extrémité distale du radius
BERNARD, Bénédicte ULg; LHOEST, C.; Foidart-Dessalle, Marguerite ULg et al

in Chirurgie de la Main (2011, December), 30(6), 477

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See detailLésions d’épaule chez le joueur de volleyball : approche isocinétique
Forthomme, Bénédicte ULg; Wieczorek, V.; Kaux, Jean-François ULg et al

in Abstract book des XIIIèmes Rencontres isocinétiques MEDIMEX/ROTHSCHILD (2011, November 25)

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See detailMuscles fléchisseurs et extenseurs de cheville en isocinétisme : méthodologie et contexte pathologique
Croisier, Jean-Louis ULg; Sutera, T.; Kaux, Jean-François ULg et al

in Abstract book des XIIIèmes Rencontres isocinétiques MEDIMEX/ROTHSCHILD (2011, November 25)

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See detailTravail excentrique et concentrés plaquettaires en pathologie tendineuse
Kaux, Jean-François ULg; Drion, Pierre ULg; Forthomme, Bénédicte ULg et al

in 13èmes Rencontres Medimex (2011, November 25)

Les tendinopathies apparaissent fréquentes au sein de la population active et sportive. Actuellement, la rééducation excentrique constitue une thérapeutique de choix dans leur traitement. Stanish en ... [more ▼]

Les tendinopathies apparaissent fréquentes au sein de la population active et sportive. Actuellement, la rééducation excentrique constitue une thérapeutique de choix dans leur traitement. Stanish en proposa dès les années 80 les principales règles. Bien que les résultats apparaissent favorables en clinique, les adaptations morphologiques et biochimiques des tissus n’ont pas encore été élucidées. Nous avons démontré que l’effort excentrique (réalisé par des rats en course en descente) participait au développement macroscopique du réseau de vaisseaux sanguins au niveau de l’épitendon et à une amélioration de la résistance à la traction longitudinale tendineuse. Ceci confirme donc que les propriétés mécaniques du tendon de rat sont améliorées après un entraînement excentrique. Le tendon, plus résistant, augmenterait sa quantité de fibres de collagène et probablement les interactions entre elles. La mécanotransduction serait le processus responsable du remaniement tissulaire lors de l’application de contraintes mécaniques. Cependant, en pratique clinique, une vingtaine de séances d’entraînement minimum semblent néanmoins nécessaires pour assurer l’efficacité du traitement. Depuis quelques années, en traumatologie sportive, les propriétés réparatrices des plaquettes sanguines sont mises à profit pour stimuler la cicatrisation tendineuse. Nous avons démontré, selon a modèle animal, que celles-ci permettaient d'accélérer le processus cicatriciel tendineux mais en amélioraient également la qualité. Cependant, ce processus ne peut se dérouler correctement que si le tendon est soumis à des contraintes mécaniques afin d'orienter les neo-fibres de collagène selon les lignes de forces. Nous sommes donc convaincus qu'en pratique clinique, une prise en charge rééducative excentrique sous-maximale est indispensable dans les suites d'une injection de concentré plaquettaire pour traiter une tendinopathie chronique. [less ▲]

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See detailLes séances d'école du dos n'augmentent pas les peurs liées à la douleur du lombalgique chronique
Demoulin, Christophe ULg; Wuinant, N.; SOMVILLE, Pierre-René ULg et al

in Revue du Rhumatisme (2011, November), 78(Suppl 5), 182

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See detailPlatelet-rich plasma and tendons healing: rat model
Kaux, Jean-François ULg; Drion, Pierre ULg; Colige, Alain ULg et al

in Annales de Réadaptation et de Médecine Physique (2011, October), 54(Sup 1), 125

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See detailPlasma enrichi en plaquettes et cicatrisation tendineuse : modèle sur rats
Kaux, Jean-François ULg; Drion, Pierre ULg; Colige, Alain ULg et al

in Annales de Réadaptation et de Médecine Physique (2011, October), 54(1), 123

Introduction: Le but de notre étude était de déterminer si une injection de plasma enrichi en plaquettes (PRP) pouvait améliorer et accélérer le processus de cicatrisation de tendons d'Achille de rats ... [more ▼]

Introduction: Le but de notre étude était de déterminer si une injection de plasma enrichi en plaquettes (PRP) pouvait améliorer et accélérer le processus de cicatrisation de tendons d'Achille de rats rompus. Matériel et méthode : Un défect de 5mm a été réalisé chirurgicalement au niveau de tendons d'Achille de 120 rats. Soixante rats ont reçu respectivement une infiltration de PRP ou PBS in situ après chirurgie. Vingt rats de chaque groupe ont été euthanasiés après 5, 15 et 30 jours. Quinze tendons de chaque groupe ont été directement soumis à un test de traction biomécanique jusqu'à rupture à l'aide de clamps de type "cryo-jaw" et ensuite collectés pour réaliser des analyses transcriptomiques. Des études histologique et biochimique ont également été réalisées sur les 5 tendons restant de chaque groupe. Résultats: Les tendons du groupe PRP étaient plus résistants à la rupture à 15 et 30 jours que ceux du groupe contrôle. La section transverse des tendons était significativement plus grande au sein du groupe PRP à J5 et J15. Les contraintes étaient significativement plus grandes au sein des tendons dans les phases tardives de cicatrisation. L'étude histologique montrait une augmentation de coloration pour les fibres de collagène à J5 au sein du groupe PRP, résultats confirmés par l'analyse biochimique montrant une augmentation de la concentration de collagène au sein du "cal" tendineux. L'expression de la ténomoduline, un marqueur de la différentiation des ténocytes, était significativement plus important au sein du groupe PRP à J5. Aucune différence significative en terme d'ARNm n'a été observée pou r le collagène de type III ni pour la MMP-9, à aucun temps, entre les 2 groupes. Conclusion : Une injection de PRP au sein de tendons d'Achille de rats rompus influence les phases précoces du la cicatrisation tendineuse, entrainant une meilleure résistance mécanique à la rupture. [less ▲]

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See detailLes lésions tendineuses de la coiffe des rotateurs
Forthomme, Bénédicte ULg; Kaux, Jean-François ULg; Crielaard, Jean-Michel ULg et al

in Abstract book du Premier Symposium d'Axxon, Qualité en Kinésithérapie (Actualité en Kinésithérapie) (2011, October)

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