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* Department of Medicine (RMH), The University of Melbourne, Parkville, Australia
Allan McGavin Sports Medicine Centre & School of Human Kinetics, University of British Columbia, Vancouver, Canada
East Melbourne Radiology, East Melbourne, Australia
|| The Austin Hospital (Department of Surgery), Heidelberg, Australia
a Melbourne Orthopaedic Group, Windsor, Australia
b Alphington Sports Medicine Clinic, Northcote, Australia
Address correspondence and reprint requests to Karim M. Khan, MD, PhD, University of British Columbia, School of Human Kinetics, 210 War Memorial Gym, 6081 University Boulevard, Vancouver, BC, Canada V6T 1Z1
Chronic patellar tendinopathy often requires surgical treatment. We compared the outcomes in 25 subjects (29 tendons) who had had open patellar tenotomy and 23 subjects (25 tendons) who had had arthroscopic patellar tenotomy at a mean follow-up of 3.8 and 4.3 years, respectively. At follow-up, outcomes in the open and arthroscopic groups were as follows: 1) symptomatic benefit was seen in 81% of open and 96% of arthroscopic tenotomy patients, 2) sporting success was seen in 54% of open and 46% of arthroscopic tenotomy patients, 3) median time to return to preinjury level of activity was 10 months for open and 6 months for arthroscopic tenotomy patients, and 4) median Victorian Institute of Sport Assessment score at follow-up was 88 for open and 77 for arthroscopic tenotomy patients. There were no significant differences between groups for all outcomes. The appearance of the tendon on sonography remained abnormal in over 70% of subjects at follow-up, and sonographic appearance did not correlate with clinical outcome. Thus, arthroscopic patellar tenotomy was as successful as the traditional open procedure. Both procedures provided virtually all subjects with symptomatic benefit, but only about half the subjects who underwent either open or arthroscopic patellar tenotomy were competing at their former sporting level at follow-up.
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