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SURGICAL TREATMENT OF POST-TRAUMATIC ELBOW CONTRACTURES IN ADOLESCENT PATIENTS.



Abstract

The results of surgical treatment of post-traumatic elbow contractures in adolescence have been conflicting in the literature. Some authors suggest that contracture release in this age group is less predictable and results less favorable than in adults. A retrospective review of the senior author’s patients produced 16 patients under the age of 21 that had post-traumatic elbow contracture releases. Three patients with arthroscopic releases and one patient lost to follow up were excluded from this study.

Twelve adolescent patients (mean age 16.7 years, range 13–21) had open release of post-traumatic elbow contractures. All releases were initiated through a lateral approach with anterior capsular release and were supplemented by posterior release (in 4 patients) through the same incision. Medial-sided pathology was addressed through a separate medial incision in 3 patients. In three patients the radial head was excised. Muscle lengthening was used in only one patient.

The mean follow-up was 18.9 months (range 10–42 months). Preoperative flexion was increased from 113 to 129deg (p< 0.01), extension from −51 to −15deg (p< 0.001) for a mean total gain of 54deg in the flexion-extension arc (p< 0.001). Pronation was improved from 58 to 77deg and supination from 56 to 62deg, but these improvements did not reach statistical significance. At the final follow-up the patients maintained 93% of the motion that was achieved intraoperatively. All patients achieved a functional ROM of at least 100deg in the flexion-extension arc. No patient lost motion. One patient had a superficial infection that was treated conservatively

Our experience with post-traumatic contracture release in adolescent patients has been rewarding; all patients reached a functional range of motion. The advantage of the lateral approach used in these patients is that it allows simple and safe access to the anterior capsule, which is often adequate to regain full extension. Through the same approach the posterior structures can also be addressed without violating the lateral collateral ligament. The medial approach is more demanding and was reserved only for patients with medial sided pathology. Fractional musculotendinous lengthening was rarely necessary in post-traumatic contractures. Open release in adolescent patients with congruent stiff elbows has yielded satisfactory results in our hands.

Correspondence should be addressed to Ms Larissa Welti, Scientific Secretary, EFORT Central Office, Technoparkstrasse 1, CH-8005 Zürich, Switzerland