APB Transfer Stabilizes Chronic Thumb RCL - Takeaways - MDSpire

APB Transfer Stabilizes Chronic Thumb RCL

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

  • By

  • Andrea Surnit

  • April 6, 2026

  • 4 min

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  • 1

    Modified abductor pollicis brevis tendon transfer effectively stabilizes chronic radial collateral ligament injuries in the thumb.

  • 2

    The technique resulted in improved stability and alignment, allowing patients to return to daily activities without complications.

  • 3

    Both patients experienced a 20° reduction in metacarpophalangeal joint flexion compared to the uninjured side.

  • 4

    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.

Original Source(s)

APB Transfer Stabilizes Chronic Thumb RCL

  • by Andrea Surnit

  • April 6, 2026

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