Effectiveness of Extracorporeal Shockwave Therapy in Jumping Athletes with Patellar Tendinopathy

Conditions: jumper's knee
patellar tendinopathy
10043237

Registration Number: NL-OMON31435

Lead Sponsor: niversitair Medisch Centrum Groningen

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Pending

Sex: Not specified

Target Recruitment: 86

Inclusion Criteria

Male and female athletes with the following criteria are eligible for inclusion:
•History of knee pain in patellar tendon or its patellar or tibial insertion in connection with training and competition
•Symptoms for over three months in the actual season or in the second half of the previous season (January - May 2008) (to exclude acute inflammatory tendon problems and partial ruptures)
•Age 18-35 years old (to reduce the chance of other osteochondrotic diseases like
Sinding-Larsen-Johanson, Osgood-Schlatter and osteoarthrosis)
•Palpation tenderness to the corresponding painful area
•VISA score < 80

Exclusion Criteria

Athletes must not be included if one of the following applies:
•acute knee or patellar tendon injuries
•chronic joint diseases
•signs or symptoms of other coexisting knee pathology
•contraindications for ESWT (pregnancy, malignancy, coagulopathy)
•knee surgery or injection therapy with corticosteroids in the last preceding three months
•daily use of drugs with a putative effect on patellar tendinopathy in the last year (e.g. non-steroid anti-inflammatory drugs, fluorchinolones) or actual use of anticoagulants

Study & Design

Study Type: Interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>Change in VISA score.<br /><br>The VISA score is a simple, reliable instrument for measuring the severity of<br /><br>patellar tendinopathy and is sensitive to small changes in symptoms. It was<br /><br>specifically designed for patellar tendinopathy, rating pain, symptoms, simple<br /><br>test of function and the ability to play sports.</p><br>

Secondary Outcome Measures

Name	Time	Method
<p>·Answer to the question: How is your knee now as compared with before<br /><br>treatment?<br /><br><br /><br>·Rate the pain on a Visual Analogue Scale (VAS) in which 0 represents no pain,<br /><br>and 100 maximal pain:<br /><br>-during activities of daily living (ADL),<br /><br>-during sports,<br /><br>-during a functional test: the single leg decline squat (SLDS<br /><br>-during a jumping test<br /><br><br /><br>·Rate overall treatment satisfaction<br /><br><br /><br>·Answer the question if they would recommend ESWT treatment to family or friends<br /><br><br /><br>·Ultrasound characteristics (hypo-echogenity, diameter, calcifications,<br /><br>neovascularisation)<br /><br><br /><br>·Side effects and adverse reactions/events<br /><br><br /><br>.Concurrent (para)medical consumption</p><br>