APB Transfer Stabilizes Chronic Thumb RCL

Case report describes return to activity and improved stability after tendon reconstruction

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Modified abductor pollicis brevis tendon transfer effectively stabilizes chronic radial collateral ligament injuries in the thumb.
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The technique resulted in improved stability and alignment, allowing patients to return to daily activities without complications.
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Both patients experienced a 20° reduction in metacarpophalangeal joint flexion compared to the uninjured side.
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The procedure was performed under wide-awake local anesthesia, minimizing donor-site morbidity associated with free tendon grafts.
5

Findings are limited by the small sample size and short follow-up, but suggest the technique is a reliable alternative for RCL reconstruction.

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