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ARTHROSCOPIC TENNIS ELBOW RELEASE – TECHNIQUE AND RESULTS



Abstract

Aim: Description of and Prospective analysis of long-term outcomes of arthroscopic tennis elbow release.

Materials and Methods: 70 patients (72 elbows) with lateral epicondylitis, recalcitrant to a minimum of 6 months of supervised conservative management, underwent arthroscopic lateral epicondylar release. Each patient was clinically evaluated pre operatively and post-operatively and a quantitative assessment of the grip strength was collected on both sides with a dynamometer, in full elbow extension and in 90 degrees flexion. Functional assessment with the Mayo Elbow Performance Score and dynamometer grip strengths were collected for the first two years post-operation.

Results: Postoperative follow-up averaged 36 months (range 24–45months). The average MEPS increased from 57/100 to 89/100. 66 patients were graded as excellent outcomes, and 4 patients were noted to have fair outcomes. The latter 4 patients were assessed to have type 2 failure, with two subsequently requiring PIN releases, one requiring an osteochondroma excision from the distal laeral humerus, and one patient lost to follow-up. Dynamometr strength returned to above pre-operative level at an average of 3 months and were and average of 35% greater than the pre-operative level at final review. Complications consisted of synovial fistulae (n=8) all of which spontaneously resolved within one month, 2 portal superficial infections, 1 mild anterior capsular contracture, and no neurovascular injuries. Concurrent intra-articular pathology that was noted included radio-capitellar chondrosis (n=22), lateral trochlear chondrosis (n=20), anterolateral synovial plicae (n=17), synovitis (n=13), radial head instability (n=3), and synovial osteochondromatosis (n=1).

Conclusion: Arthroscopic tennis elbow release is a valid technique for the treatment of recalcitrant lateral epicondylitis.

Correspondence should be addressed to The Secretary, British Elbow and Shoulder Society, Royal College of Surgeons, 35–43 Lincoln’s Inn Fields, London WC2A 3PE