References of "Kaux, Jean-François"
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See detailIsokinetic profile of subjects with proximal patellar tendinopathy
Kaux, Jean-François ULiege; Croisier, Jean-Louis ULiege; Libertiaux, Vincent ULiege

in British Journal of Sports Medicine (in press)

Introduction Patellar tendinopathy (PT) is commonly observed in jumping sports. Even if its biomechanic is somewhat explored, no information is known about the muscle strength profile of these patients ... [more ▼]

Introduction Patellar tendinopathy (PT) is commonly observed in jumping sports. Even if its biomechanic is somewhat explored, no information is known about the muscle strength profile of these patients. We aimed to determine if there exists a specific profile of patients suffering from a PT Methods 43 patients (42 males; 29 y.o +/- 9.8 y.o) suffering from PT were recruited. To be eligible, the patients must not have suffered from any other traumatic or micro-traumatic injury than the PT on the pathologic limb. After a physical examination, the tendon damage was assessed by ultrasounds examination. The patients were then tested on an isokinetic dynamometer and the peak torque per unit of mass (PTm) developed by the quadriceps and the hamstrings were recorded for various testing modalities. After each test, a visual analog scale (VAS) was used to estimate the pain felt by the patients. Results No significant correlation was found between the MTm and the demographic variables. The difference in MTm between the healthy and the pathological limbs was significant only in concentric 60°/s, for both the quadriceps and the hamstrings. Lastly, the VAS score showed that the most intense pain was experienced after the eccentric test. Conclusions There is no specific patient strength profile emerging from the isokinetic test. This stresses the importance for the clinicians to make testing and to apply a personalized treatment to each patient. On the other hand, the isokinetic eccentric testing of the quadriceps could be used to induce a mechanical stress on the tendon for a reliable pain assessment. [less ▲]

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See detailFrench translation and validation of the AKPS questionnaire
Buckinx, Fanny ULiege; Remy, Gaël; Bornheim, Stephen ULiege et al

in British Journal of Sports Medicine (in press)

Introduction: The Anterior Knee Pain Scale (AKPS) is a questionnaire used to examine the subjective symptoms, such as the functional limitations and the anterior knee pain. First developed in English ... [more ▼]

Introduction: The Anterior Knee Pain Scale (AKPS) is a questionnaire used to examine the subjective symptoms, such as the functional limitations and the anterior knee pain. First developed in English, this questionnaire has since been translated and validated into several languages. The aims of the study were to translate and cross-culturally adapt the AKPS into French and to evaluate the reliability and validity of this translated version of the questionnaire. Methods: The translation part was articulated in six stages, according to international guidelines: (i) two initial translations from english to french; (ii) synthesis of the two translations; (iii) backward translations into the original language; (iv) expert committee to compare the backward translations with the original questionnaire (v) pre-final version testing and (VI) expert committee appraisal. To validate the French AKPS questionnaire, we assessed its validity, reliability and floor/ceiling effects. To do this, volunteer patients from Belgium and France, with patellofemoral pain syndrome were asked to answer the french version of the AKPS questionnaire at baseline and after 7 days, as well as the generic SF-36 questionnaire. Results: The AKPS questionnaire was translated without any major difficulties. A total of 101 subjects aged 34.49 ± 11.38 years on average were included in this study. Among them, 58.4% were women. Results indicated an excellent test-retest reliability (intraclass coefficient correlation of 0.97, 95% CI 0.96 - 0.98), a high internal consistency (Cronbach’s alpha of 0.87), a consistent construct validity (high correlations with the SF-36 questionnaire were found with domains related to physical function (r = 0.80), physical role (r = 0.70), pain (r = 0.64)) and low or moderate correlations with domains related to mental health (r = 0.26), vitality (r = 0.32), social function (r = 0.41)). Moreover, no floor/ceiling has been found. Conclusion: A valid AKPS french questionnaire is now available and can be used with confidence to better assess the disease burden associated with femoropatellar syndrom. It was successfully cross-culturally adapted into French. [less ▲]

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See detailFrench Translation and validation of the Exercise-Induced Leg Pain
Kaux, Jean-François ULiege; Hagelstein, Thibaut; Van Beveren, Julien et al

in British Journal of Sports Medicine (in press)

Objective: The « Exercise-Induced Leg Pain » (EILP) questionnaire has been developed (in German) to evaluate the severity of symptoms and sports ability in individuals with exercise-induced leg pain. The ... [more ▼]

Objective: The « Exercise-Induced Leg Pain » (EILP) questionnaire has been developed (in German) to evaluate the severity of symptoms and sports ability in individuals with exercise-induced leg pain. The purpose of the present study was to translate and cross-culturally adapt this questionnaire into French and to study the reliability and validity of the French-translated version (EILP-F). Methods: Translation and cross-culturally adaptation of the original EILP (EILP-G) was performed according to established guidelines. The translation part was articulated in six stages: (i) two initial translations from German to French; (ii) synthesis of the two translations; (iii) backward translations; (iv) expert committee to compare the backward translations with the original questionnaire; (v) pre-test; and (vi) approval of the final version of the EILP-F. To validate the EILP-F questionnaire, 84 subjects were recruited (28 pathological patients with a confirmed diagnosis of chronic leg pain, 28 asymptomatic sport students, 28 athletes healthy control). Discriminative power of the questionnaire was tested as well as reliability (internal consistency, test–retest reliability after a 7-10-day interval), construct validity and floor/ceiling effects. Results: the EILP-F version of the questionnaire has been generated without any major difficulties. The ability of the questionnaire to discriminate the three groups of subjects has been showed with a total score of 61.0 ± 18.5 for the pathologic group; 93.9 ± 7.57 for the asymptomatic group and 94.1 ± 9.79 for the control group (p-value adjusted on age = 0.008). A high internal consistency (Cronbach's alpha of 0.93) and an excellent test-retest radiality (ICC of 0.98 (95% CI 0.97-0.99, p<0.001)) indicated that the EILP-F is reliable. The EILP-F also demonstrated a good construct validity against different subscales of the Short Form-36 questionnaire, a generic quality of life questionnaire, with more than 87 % of prespecified hypotheses confirmed. Finally, no floor or ceiling effects were observed. Conclusion: The EILP-F questionnaire, a French version adapted from the original EILP-G, was successfully translated and cross-culturally adapted. The EILP-F questionnaire is consistent, valid and reliable for evaluating the French-speaking patients with chronic exercise-induced leg pain. [less ▲]

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See detailComparison of Platelet Rich Plasma (PRP) versus Hyaluronic Acid (HA) injections to treat patellar tendinopathies
Kaux, Jean-François ULiege; Roberjot, Mathieu; SAMSON, Antoine ULiege

in British Journal of Sports Medicine (in press)

Introduction: The treatment of patellar tendinopathies could be difficult. Recent systematic review concluded that PRP could be recommend as a treatment in such indication. Recently, the viscoelastic ... [more ▼]

Introduction: The treatment of patellar tendinopathies could be difficult. Recent systematic review concluded that PRP could be recommend as a treatment in such indication. Recently, the viscoelastic properties of hyaluronic acid (HA) on liquid connective tissue have been proposed for the treatment of tendinopathies. Some observations also support its use in a clinical setting to improve pain and function. We aimed to compare the effect of PRP injection versus two injections of HA after three months on patients who have a proximal patellar tendinopathy. Methods: Thirty-three sportsmen with proximal patellar tendinopathies being not relieved after minimum three months of normal physiotherapy treatments where included. Eighteen of them (group 1) have received a leukocyte poor PRP injection (obtained using an aphaeresis machine (3)) and the other fifteen (group 2) two HA injections, all of them have benefited of standardized rehabilitation. Concerning the evaluation of the pathology, algo-functional tests (visual analogic scale (VAS), pressure algometer, IKDC score, VISA-P score), isokinetic (associated to VAS) along with the patellar tendon ultrasonography (US) have been realized over three times (pre-injection, after 6 weeks, after 3 months post-injections). Results: The results of VAS (p<0,01), algometric scores (p<0,01), IKDC scores (p<0,01) and VISA-P (p<0,01) show a considerable improvement in the two groups, but not for the US findings. For the group 1, isokinetic tests show significative results for the hamstrings in C60°/s with an improvement of maximum peak torque (p=0,01) for the pathological member, a diminution (p>0,05) for the healthy limb and during the analysis of the bilateral difference (p=0,0002). For the group 2, the improvement of quadriceps maximum peak torque in C240°/s is significant (p>0,01) for the pathological knee after 6 weeks post-injections only. The VAS associated with isokinetic tests decreases significantly for all contraction modes after three months of study. Conclusion: Both PRP and HA can improve the symptoms of proximal patellar tendinopathy, even if the results are slightly better in the PRP group. [less ▲]

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See detailCross-cultural adaptation in French and validation of Functional Assessment Scale for acute Hamstring injuries
Kaux, Jean-François ULiege; Willems, Tom; Locquet, Médéa ULiege

in British Journal of Sports Medicine (in press)

Introduction : Acute hamstring injury is a very common muscle injury particularly in sports that require high explosive strength, sports with impulsions and sports with running phases. Among those sports ... [more ▼]

Introduction : Acute hamstring injury is a very common muscle injury particularly in sports that require high explosive strength, sports with impulsions and sports with running phases. Among those sports, the most widespread are soccer, rugby and sprinting. The Functional Assessment Scale for acute Hamstring injuries (FASH) assesses pain, physical activity and how patients realize some exercises while suffering hamstring injury. Current available versons are in English, in German and in Greek. Objectives : The aims of thus study were to reach a reliable and valid translation and a cross-cultural adaptation of this questionnaire in French. Methods: FASH translation and adaptation were realized in respect of international guidelines. The population composed of 116 subjects filled the questionnaire twice separated by 48-60th. FASH reliability and validity were assessed thanks to SF-36 allowing us to assess the test re-test reliability (with intra-class correlation ICC), internal consistency (with Cronbach’s alpha coefficient and construct validity, with Spearman’s correlation coefficients). Results : ICC showed a strong correlation between test and re-test (ICC total=0.9985). Internal consistency was also found to be strong with Cronbach’s alpha coefficient = 0.98. Correlation between FASH and SF-36 overall score was considered as strong (Rs=0.69, p<0.0001). Correlation with SF-36 sub scales (PF, RP, BP) were also considered as strong, showing their convergent validity. Other SF-36 subclass (GH, MH, REm, SF, VT) displayed a moderate correlation with FASH questionnaire, showing their divergent validity. No floor or ceiling effect was observed. Conclusions: FASH translation and cross-cultural adaptation into French can be considered as successful. FASF-F is now a reliable and valid tool for patients suffering acute hamstring injury. [less ▲]

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See detailExploring the effect of a second closely-timed PRP infiltration for tendinopathy
Kaux, Jean-François ULiege; Croisier, Jean-Louis ULiege; Forthomme, Bénédicte ULiege et al

in British Journal of Sports Medicine (in press)

Introduction: Some clinical series have previously evaluated the effect of PRP in the treatment of proximal patellar tendinopathies. Although it is possible that a single infiltrative administration may ... [more ▼]

Introduction: Some clinical series have previously evaluated the effect of PRP in the treatment of proximal patellar tendinopathies. Although it is possible that a single infiltrative administration may prove to be an effective treatment for this indication, most of the existing studies evaluated the effects of successive infiltrations which is arguably likely to increase the risks of complications. Methods: Our study is a single blinded, randomized controlled clinical trial on 20 leisure sportsmen (2 groups, respectively 1 or 2 infiltrations of pure PRP) with chronic proximal patellar tendinopathies, rebel to classical management. PRP was obtained using an aphaeresis machine. The one-year follow-up evaluation consisted of VAS, IKDC and VISA-P scores, while algometer, isokinetic and ultrasounds evaluations were carried out up to 3 months. Results: The concentration of the PRP used was similar in both groups. The VAS significantly decreased with time over the 3-month follow-up period (p=0.002), with no difference observed between the two groups (p=0.2). Values obtained with the pressure algometer increased with time across both groups over the 3-month follow-up period (p<0.0001), and values were significantly higher for Group 1 (p=0.001). The IKDC score increased with time in both groups over the follow-up period (p=0.034), with values again significantly higher for Group 1 (p=0.0026). The VISA-P score increased with time in both groups over the follow-up period (p=0.0023), with no difference observed between the groups (p=0.41). No improvements in isokinetic physical performance were observed in either group. However, pain during E30 significantly decreased over the 3-month follow-up period (p=0.027) for patients in both groups. No improvement in either jumping performances or in pain was observed in either group during opto-jump evaluation. No improvements in US findings were observed. After one year, 90% patients of group 1 did not report anymore pain during daily activities, in comparison with only 20% in group 2. Conclusions: A second closely-timed infiltration of PRP to treat proximal patellar tendinopathies is not necessary to improve the efficacy of this treatment. [less ▲]

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See detailBeliefs in the population about cracking sounds produced during spinal manipulation
Demoulin, Christophe ULiege; Baeri, Damien; TOUSSAINT, Geoffrey ULiege et al

in Joint Bone Spine (in press)

Objectives: To examine beliefs about cracking sounds heard during highvelocity lowamplitude (HVLA) thrust spinal manipulation in individuals with and without personal experience of this technique. Methods ... [more ▼]

Objectives: To examine beliefs about cracking sounds heard during highvelocity lowamplitude (HVLA) thrust spinal manipulation in individuals with and without personal experience of this technique. Methods: We included 100 individuals. Among them, 60 had no history of spinal manipulation, including 40whowereasymptomatic with or without a past history of spinal pain and 20whohad nonspecific spinal pain. The remaining 40 patients had a history of spinal manipulation;amongthem, 20 were asymptomatic and 20 had spinal pain. Participants attended a oneonone interview during which they completed a questionnaire about their history of spinal manipulation and their beliefs regarding sounds heard during spinal manipulation. Results: Mean age was 43.5±15.4 years. The sounds were ascribed to vertebral repositioning by 49% of participants and to friction between two vertebras by 23% of participants; only 9% of participants correctly ascribed the sound to the release of gas. The sound was mistakenly considered to indicate successful spinal manipulation by 40% of participants. No differences in beliefs were found between the groups with and without a history of spinal manipulation. Conclusions: Certain beliefs have documented adverse effects. This study showed a high prevalence of unfounded beliefs regarding spinal manipulation. These beliefs deserve greater attention from healthcare providers, particularly those who practice spinal manipulation. [less ▲]

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See detailTranslation and Validation of the VISA-P Questionnaire for French-Speaking Patients
Kaux, Jean-François ULiege; DELVAUX, François ULiege; Oppong-Kyei, Julian et al

in Journal of Rehabilitation Medicine (in press)

Background: The Victorian Institute of Sport Assessment-Patella (VISA-P), originally developed in English, assesses the severity of patellar tendinopathy symptoms. To date, no French version of the ... [more ▼]

Background: The Victorian Institute of Sport Assessment-Patella (VISA-P), originally developed in English, assesses the severity of patellar tendinopathy symptoms. To date, no French version of the questionnaire exists. Objectives: The aim of our study was to translate the VISA-P into French and verify its psychometric properties. Methods: The translation and cultural adaptation were performed according to international recommendations in 6 steps: initial translation, translation merging, back translation to the original language, use of an expert committee to reach a prefinal version, test of the prefinal version, and expert committee appraisal of a final version. Afterward, the psychometric properties of the final French version (VISA-PF) were assessed in 92 subjects, divided into 3 groups: pathological subjects (n = 28), asymptomatic subjects (n = 22), and sports-risk subjects (n = 42). Results: All members of the expert committee agreed with the final version. On a scale ranging from 0 to 100, with 100 representing an asymptomatic subject, the average SD scores on the VISA-PF were 53 17 for the pathological group, 99 2 for the healthy group, and 86 14 for the sports-risk group. The test-retest reliability of the VISA-PF was excellent, with good internal consistency. Correlations between the VISA-PF and divergent validity of the Medical Outcomes Study 36-Item Short-Form Health Survey (SF-36) were low, and the correlation coefficient values measured between the VISA-PF scores and converged items of the SF-36 were higher. Conclusion: The VISA-PF is understandable, valid, and suitable for French-speaking patients with patellar tendinopathy. [less ▲]

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See detailComparison of the effect of Platelet Rich Plasma (PRP) with Hyaluronic Acid (HA) injections to treat chronic Jumper's knee
Kaux, Jean-François ULiege; DEROISY, Rita ULiege; SAMSON, Antoine ULiege et al

in Journal of Rehabilitation Medicine (in press)

Introduction: Patellar Tendinopathies (PT) represent a very frequent disorder which incidence can reach 30-50% among jumping sports. This trouble is often rebel to classical treatment. Objective: To ... [more ▼]

Introduction: Patellar Tendinopathies (PT) represent a very frequent disorder which incidence can reach 30-50% among jumping sports. This trouble is often rebel to classical treatment. Objective: To compare the efficacy of a single injection of RPR to a double infiltration of HA at one week interval. Patients/Methods: Thirty-three patients suffering from PT were enrolled into the study and split into two randomized groups . Eighteen patients (Group 1) have received one PRP injection and the other fifteen subjects (Group 2) received two HA infiltrations. Pain and functionality of the knee were evaluated before injection (T0), 6 weeks (T2) and 3 months (T3) after injections: pain with VAS and pressure algometer, algofunctional scores with IKDC and VISA-P questionnaires, ultrasound, isokinetic evaluation (quadriceps contractions : concentric 60°/sec (C60), concentric 240°/sec (C240), excentric 30°/sec (E30) and VAS during testing). Results: At baseline, difference existed only between groups for algometer, tendon thickness and axial hypoechoic area. In both groups, VAS, algometer, IKCD, VISA-P, VAS for isokinetic testing C60, C240 and E30 were significantly improved at T2 and T3 compared to T0. Comparison between the 2 groups showed no difference excepted for algometer, tendon thickness (T2, T3) and axial hypoechoic area (T2). Discussion and conclusions: There existed a similar improvement of the symptoms in both groups. PRP has already shown its efficacy in PT. HA should probably be a new therapeutic opportunity in this indication. Nevertheless, it should better, for further studies, to include a more homogeneous population and a longer follow-up period of time. [less ▲]

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See detailMuscle strength profile of patients with patellar tendinopathy
Kaux, Jean-François ULiege; Libertiaux, Vincent ULiege; Croisier, Jean-Louis ULiege

in Journal of Rehabilitation Medicine (in press)

Introduction: Patellar tendinopathy (PT) is commonly observed in jumping sports. Even if its biomechanic is somewhat explored, no information is known about the muscle strength profile of these patients ... [more ▼]

Introduction: Patellar tendinopathy (PT) is commonly observed in jumping sports. Even if its biomechanic is somewhat explored, no information is known about the muscle strength profile of these patients. Objective: To determine if there exists a specific profile of patients suffering from a PT. Patients: 43 patients (29+/-9.8 y.o) suffering from PT were recruited. To be eligible, the patients must not have suffered from any other traumatic or micro-traumatic injury than the PT on the pathologic limb. Methods: After a physical examination, the tendon damage was assessed by ultrasounds examination. The patients were then tested on an isokinetic dynamometer and the maximum torque (per unit of mass, MTm) developed by the quadriceps and the hamstrings were recorded for various angular velocities. After each test, a visual analog scale (VAS) was used to estimate the pain felt by the patients. Results: No significant correlation was found between the MTm and the demographic variables. The difference in MTm between the healthy and the pathological limbs was significant only at a rate of 60°/s, for both the quadriceps and the hamstrings. Lastly, the VAS score showed that the most intense pain was experienced after the eccentric test. Conclusions: There is no clear patient strength profile emerging from the isokinetic test. This stresses the importance for the clinicians to make testing and to apply a personalized treatment to each patient. Finally, the isokinetic eccentric testing of the quadriceps can be used to induce a mechanical stress on the tendon for a reliable pain assessment. [less ▲]

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See detailCross-cultural adaptation and validation of the Kujala Anterior Knee Pain Scale (AKPS) questionnaire for French-speaking patients
Kaux, Jean-François ULiege; Buckinx, Fanny ULiege; Croisier, Jean-Louis ULiege et al

in Journal of Rehabilitation Medicine (in press)

Introduction: The femoropatellar syndrom is one of the most common knee problem observable. The Kujala Anterior Knee Pain Scale (AKPS) is a questionnaire used to examine the subjective symptoms, such as ... [more ▼]

Introduction: The femoropatellar syndrom is one of the most common knee problem observable. The Kujala Anterior Knee Pain Scale (AKPS) is a questionnaire used to examine the subjective symptoms, such as the functional limitations and the anterior knee pain. Objective: The aims of the study were to translate and cross-culturally adapt the AKPS questionnaire into French and to evaluate the reliability and validity of this translated version of the questionnaire (AKPS- F). Patients : 101 patients with femoropatellar syndrom. Methods: The translation and the inter-cultural adaptation of the questionnaire has been adopted through the international recommendations highlighting 6 different steps : initial translation, translations synthesis, translation back to the original language, committee of experts, test of the pre-final version and the approval from the expert’s committee. Indeed the French version obtained, the participants have filled twice the AKPS with an interval of 7 days, and the Short Form Health in order to evaluate the psychometric properties (the internal coherence, the test-retest fidelity and the built validity). Results:The AKPS shows a high level of fidelity in the test-retest with a score of 0.97. The French translation also has a high internal coherence score with 0.87. The Kujula shows a great correlation with a part of the converging sub-scales from the SF36. There is a low/average correlation noticeable with the diverging sub-scales. There is no floor/ceiling effect. Discussion and conclusions: This study shows that AKPS-F is reliable and valid for the French patients suffering from a femoropatellar syndrom and can therefore be used. [less ▲]

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See detailValidity and reliability of the French translation of the VISA-A questionnaire
Kaux, Jean-François ULiege; Croisier, Jean-Louis ULiege; Bruyère, Olivier ULiege

in Journal of Rehabilitation Medicine (in press)

Introduction: The Victorian Institute of Sport Assessment – Achilles tendinopathy questionnaire (VISA-A) evaluates the clinical severity of Achilles tendinopathy. The aim of this study was to translate ... [more ▼]

Introduction: The Victorian Institute of Sport Assessment – Achilles tendinopathy questionnaire (VISA-A) evaluates the clinical severity of Achilles tendinopathy. The aim of this study was to translate the VISA-A into French and to study the reliability and validity of this French version, the VISA-AF.Method: The VISA-A was translated into French to produce the VISA-AF using a validated methodology in six steps. Thereafter, several psychometric properties of this French version such as test–retest reliability, internal consistency, construct validity and floor and ceiling effects were evaluated. Therefore, we recruited 116 subjects, distributed into 3 groups: pathological patients (n=31), at-risk athletes (n=63) and healthy people (n=22). Results: The final version of the VISA-AF was approved by an expert committee. On a scale ranging from 0 to 100, the average scores of the VISA-AF obtained were 59 (± 18) for the pathological group, 99 (± 1) for the healthy group and 94 (± 7) for the at-risk group. The VISA-AF shows excellent reliability, low correlations with the discriminant subscales of the SF-36 and moderate correlations with the convergent subscales of the SF-36. Conclusions: The French version of the VISA-A is equivalent to its original version and is a reliable and valid questionnaire for French- speaking patients with Achilles tendinopathy. [less ▲]

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See detailCross-cultural adaptation and validation of the Patient-Rated Tennis Elbow Evaluation Questionnaire on lateral elbow tendinopathy for French-speaking patients
Kaux, Jean-François ULiege; Croisier, Jean-Louis ULiege; Bruyère, Olivier ULiege

in Journal of Rehabilitation Medicine (in press)

Introduction: The lateral elbow tendinopathy is a common injury in tennis players and physical workers. The Patient- Rated Tennis Elbow Evaluation (PRTEE) Questionnaire was specifically designed to ... [more ▼]

Introduction: The lateral elbow tendinopathy is a common injury in tennis players and physical workers. The Patient- Rated Tennis Elbow Evaluation (PRTEE) Questionnaire was specifically designed to measure pain and functional limitations in patients with lateral epicondylitis. The aims were to adapt the PRTEE questionnaire into French (PRTEE-F) and to evaluate the reliability and validity of this translated version of the questionnaire . Methods: The PRTEE was translated and cross-culturally adapted into French according to international guidelines. To assess the reliability and validity of the PRTEE-F, 115 participants were asked twice to fill in the PRTEE-F, and once the DASH and the SF-36. Internal consistency (using Cronbach’s alpha), test-retest reliability (using intraclass correlation coefficient (ICC), standard error of measurement and minimal detectable change), and convergent and divergent validity (using the Spearman’s correlation coefficients respectively with the DASH and with some subscales of the SF-36) were assessed. Results: The PRTEE was translated into French without any problems. PRTEE-F showed a good test-retest reliability for the overall score (ICC 0.86) and for each item (ICC 0.8-0.96) and a high internal consistency (Cronbach’s alpha 1⁄4 0.98). The correlation analyses revealed high correlation coefficients between PRTEE-F and DASH (convergent validity) and, as expected, a low or moderate correlation with the divergent subscales of the SF-36 (discriminant validity). There was no floor or ceiling effect. Discussion and Conclusions: The PRTEE questionnaire was successfully cross-culturally adapted into French. The PRTEE-F is reliable and valid for evaluating French-speaking patients with lateral elbow tendinopathy. [less ▲]

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See detailThe use of platelet-rich plasma (PRP) to treat chronic tendinopathies: a technical analysis
Kaux, Jean-François ULiege; Emonds-Alt, Thibault ULiege

in Platelets (in press)

Platelet-rich plasma (PRP) is blood plasma with a high concentration of autologous platelets which constitute an immense reservoir of growth factors. The clinical use of PRP is widespread in various ... [more ▼]

Platelet-rich plasma (PRP) is blood plasma with a high concentration of autologous platelets which constitute an immense reservoir of growth factors. The clinical use of PRP is widespread in various medical applications. Although highly popular with athletes, the use of PRP for the treatment of tendinopathies remains scientifically controversial, particularly due to the diversity of products that go by the name of “PRP.” To optimize its use, it is important to look at the various stages of obtaining PRP. In this literature review, we take a closer look at eight parameters which may influence the quality of PRP: 1) anticoagulants used to preserve the best platelet function, 2) the speed of centrifugation used to extract the platelets, 3) the platelet concentrations obtained, 4) the impact of the concentration of red and while blood cells on PRP actions, 5) platelet activators encouraging platelet degranulation and, hence, the release of growth factors, and 6) the use or nonuse of local anesthetics when carrying out infiltration. In addition to these parameters, it may be interesting to analyze other variables such as 7) the use of ultrasound guidance during the injection with a view to determining the influence they have on potential recovery. [less ▲]

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See detailStable versus Unstable Grade 2 High Ankle Sprains in Athletes: A Noninvasive Tool to Predict the Need for Surgical Fixation
D'Hooghe, Pieter; Bouhdida, S; Whiteley, R et al

in Clinical Research on Foot & Ankle (2018), 6(1), 252

There are no standardized criteria for the diagnosis and management of syndesmotic injuries, creating great ambiguity regarding optimal treatment. Traditionally, individuals with clinical and/or ... [more ▼]

There are no standardized criteria for the diagnosis and management of syndesmotic injuries, creating great ambiguity regarding optimal treatment. Traditionally, individuals with clinical and/or radiological suspicion of syndesmotic instability warrant an examination under anaesthesia and/or diagnostic arthroscopy to confirm and treat. Our purpose was to identify clinical syndesmotic instability without the need of invasive arthroscopic procedures. However, the invasive process of this has inherent risks to the patient. We developed a device to dynamically evaluate the distal tibiofibular stability during external rotation of the ankle as an extension to the available clinical tests. We compared the results of this device with intra-operative arthroscopic findings in 15 athlete cases with isolated grade 2 syndesmotic instability and found very good correlation, especially when tested in dorsiflexion. We consider this syndhoo device very helpful as part of the available options in the clinical diagnosis of syndesmotic instability. [less ▲]

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See detailPlasma riche en plaquettes (PRP) et lésions discales : revue de la littérature
Charneux, Laurent ULiege; Demoulin, Christophe ULiege; Vanderthommen, Marc ULiege et al

in Neuro-Chirurgie (2017), 63(6), 473-477

The spine has been the subject of extensive clinical research since it is the source of many painful complaints. However, there is little scientific evidence concerning the therapeutic proposals. During ... [more ▼]

The spine has been the subject of extensive clinical research since it is the source of many painful complaints. However, there is little scientific evidence concerning the therapeutic proposals. During the course of life, the intervertebral disc degenerates, which over time diminishes its damping capacity and facilitates the expulsion of the nucleus pulposus through the annulus fibrosus. The degeneration of the intervertebral disc (DDI) is the origin of some back pain and various specific treatments have been developed. These include the infiltration at the center of the intervertebral disc of plasma rich platelet (PRP), composed of multiple growth factors which act on the disc degeneration. This treatment is recent and less invasive than surgery. Preliminary results seem promising. However, many gray areas and several parameters remained to be clarified. In an attempt to do this, a literature review was conducted based on bibliographic databases Pubmed, Medline and Scopus® using the following Mesh terms : PRP, platelet-rich plasma, intradiscal disc degeneration, disc, intradiscal, discogenic. This analysis reveals that at the present time, no reported study has a sufficient perspective to judge the effectiveness of the infiltration of PRP. Early harvest results will be used to set the limits of this treatment. Accordingly, it is therefore currently recommended to introduce PRP injection as a complementary solution to comprehensive care of the spine. Future research will need to generate randomized controlled studies including comparing the results with conservative treatment and measure the cost-benefit relationship. [less ▲]

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See detailTraumatologie des sports olympiques de ballon en salle. Partie 3 : le volley-ball et comparaison des 3 sports
Kaux, Jean-François ULiege; Roberjot, Mathieu; DELVAUX, François ULiege et al

in Journal de Traumatologie du Sport (2017), 34(4), 217-222

In volleyball, there is no contact between opponents (excepting faults). Overloading injuries are very frequent, and often involve the knee joint(jumper’s knee), the shoulders (cuff injuries), or the ... [more ▼]

In volleyball, there is no contact between opponents (excepting faults). Overloading injuries are very frequent, and often involve the knee joint(jumper’s knee), the shoulders (cuff injuries), or the spine (spondylolysis). Ankle sprains is the most common trauma, mainly occurring during theattack phase and in the defense position at the net. Among the three Olympic indoor ball sports, volleyball produces the least number of seriousinjuries due to the absence of contact between opponents. Trauma prevalence is mainly observed during games and when the playing surface isinappropriate. [less ▲]

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See detailTraduction en langue française de la version longue du « Back Pain Attitudes Questionnaire » et étude de ses qualités psychométriques
Demoulin, Christophe ULiege; Halleux, Valentine; Darlow, Ben et al

in Mains libres (2017), 4

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See detailImpact d’une réathlétisation précoce sur les performances des sportifs amateurs opérés d’une rupture du ligament croisé du genou
Duval, Thomas; LEHANCE, Cédric ULiege; Croisier, Jean-Louis ULiege et al

in Journal de Traumatologie du Sport (2017), 34(4), 203-207

The analysis of the isokinetic test and the questionnaire of KOOS, enabled us to note differences between the two groups using quantifiedvalues; however, the results were significant. On the other hand ... [more ▼]

The analysis of the isokinetic test and the questionnaire of KOOS, enabled us to note differences between the two groups using quantifiedvalues; however, the results were significant. On the other hand, the analysis of the results obtained through the functional tests showed significantdifferences between the two groups, highlighting the increased performance and benefit for the group participating in weekly reathletization.Conclusion. – In the preliminary study, the quantified values for both groups indicated a greater improvement, but non-significant, in the performancesof the experimental group. A study with more large population should be undertaken. [less ▲]

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See detailEntorse de cheville
COLLIN, Romain ULiege; Zahraoui, Yanis ULiege; Croisier, Jean-Louis ULiege et al

Conference (2017, November 18)

Les traumatismes de la cheville et les lésions qui en résultent sont les plus fréquentes des lésions ostéo-articulaires traumatiques. L’entorse de cheville, en particulier, représente un coût socio ... [more ▼]

Les traumatismes de la cheville et les lésions qui en résultent sont les plus fréquentes des lésions ostéo-articulaires traumatiques. L’entorse de cheville, en particulier, représente un coût socio-économique considérable. Cependant, au fil du temps, la problématique reste identique : comment assurer la meilleure prise en charge et éviter toute récidive ? En effet, on constate que le taux de récidive d’entorse de la cheville est éloquent dans certaines disciplines et que les critères de reprise sportive sont limités, contrairement à d’autres lésions ostéo-articulaires. Nous souhaitons, au travers de cet exposé, mettre en lumière certains facteurs de risque de récidive aux différents temps de la prise en charge. Dans un premier temps, nous abordons quelques entités nosologiques secondaires à un traumatisme de la cheville, et définissons les séquelles fonctionnelles à risque de récidive. Dans un second temps, nous mettons en contraste l’instabilité mécanique et fonctionnelle et développons les avancées en termes de rééducation. L’entorse latérale de cheville s’inscrit le plus souvent dans un mécanisme en inversion. En fonction de l’atteinte ligamentaire, des séquelles d’instabilité et de laxité peuvent apparaître. Les lésions ligamentaires de la syndesmose tibio-fibulaire peuvent être contemporaines d'entorses latérales. Les douleurs et l’instabilité futures potentielles s’expliquent notamment par le rôle biomécanique de la pince bi-malléolaire. L’entorse de l’articulation sous-talienne passe souvent inaperçue et s’associe le plus souvent à l’entorse latérale ou à l’entorse de Chopart. Elle peut être responsable du syndrome du sinus du tarse. La fissuration ou luxation des tendons des fibulaires reste souvent négligée. La douleur rétro-malléolaire externe et l’instabilité imputables à ces lésions justifient souvent une sanction chirurgicale. Les lésions ostéochondrales du dôme du talus s’expriment souvent par des douleurs en charge et une instabilité majeure. Enfin, une neurapraxie ou axonotmnèse par étirement du nerf fibulaire superficiel peut entrainer une instabilité par défaut de contraction des muscles fibulaires. L’entorse de cheville peut induire, dans une certain nombre de cas, une instabilité chronique dite « fonctionnelle », par opposition à l’instabilité mécanique décrite ci-dessus. Cette instabilité fonctionnelle peut être due à un déficit de force des muscles everseurs, une altération des informations proprioceptives venant de la cheville ou encore à un déficit du contrôle neuromusculaire. Les patients souffrant d’instabilité chronique rapportent des épisodes récurrents de dérobement de la cheville lors de leurs activités, ainsi qu’une sensation subjective d’instabilité et d’insécurité. Cette instabilité résiduelle constitue un facteur de risque de l’entorse qu’il faudra corriger afin de permettre une reprise de l’activité dans les meilleures conditions et avec un risque réduit de récidive. La rééducation sera orientée de manière à solliciter progressivement la cheville dans des conditions de plus en plus proche du geste lésionnel afin de stimuler les mécanismes physiologiques de protection de l’articulation. Outre l’instabilité, d’autres troubles tels qu’une diminution d’amplitude en extension dorsale de cheville ou un œdème péri-articulaire seront identifiés lors du bilan de rééducation. Ces troubles devront également faire l’objet d’une prise en charge afin d’avoir une correction des déficits la plus complète possible. Les traumatismes de cheville constituent un véritable problème de santé publique en lien avec leur fréquence de survenue et leur taux de récidive. La prise en charge d’un patient nécessite l’établissement d’un diagnostic précis dans un premier temps, et l’identification rigoureuse des facteurs de risque dans un second temps. Cela permettra au rééducateur d’orienter au mieux sa prise en charge et de ne négliger aucun déficit susceptible de provoquer un nouveau traumatisme. [less ▲]

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