Clinical Research Directory

Pull-out Tenolysis Versus Simple A1 Pulley Release in Trigger Digits

Sponsor: Eleni Karagergou

Summary

Trigger finger is a common tendinopathy and clinically presents with painful catching or popping as the patient flexes and extends the digit, due to mechanical impingement of the thickened flexor tendons as they pass through a narrow tendon sheath canal at the level of the metacarpal head. If conservative management with corticosteroid injection and splinting fails or if symptoms recur, surgery and division of the A1 pulley are indicated. Traction (or pull- out) tenolysis is a maneuver based on pulling of the flexor tendons out of the wound, to release any adhesions that might have occurred due to long- standing triggering. Although it has been associated with postoperative pain and stiffness, no robust evidence exists to support its benefit or not. In view of the low quality evidence regarding the pros and cons of traction (or pull-out) tenolysis following A1 pulley release, the investigators will compare simple A1 pulley release versus A1 pulley release and pull-out tenolysis in a prospective randomized study design. Hypothesis of the study is that the pull- out tenolysis yields better results in terms of total active range of movement, pinch and grip strength, pain and quick-DASH scoring when compared to simple pulley release. The confirmation of the hypothesis will justify the use of pull-out tenolysis as a means of breaking any tendon adhesions and returning to normal function sooner. On the contrary, if the pull-out tenolysis is linked to a less favorable functional outcome, simple A1 pulley release will be recommended.

Official title: A1 Pulley Release and Pull-out Tenolysis Versus Simple A1 Pulley Release in Trigger Fingers and Thumb. a Randomized Controlled Trial

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