APB Transfer Stabilizes Chronic Thumb RCL - Summary - MDSpire
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APB Transfer Stabilizes Chronic Thumb RCL

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

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A study by Marta Montanari and colleagues evaluated a modified abductor pollicis brevis (APB) tendon transfer technique for reconstructing chronic radial collateral ligament (RCL) injuries of the thumb metacarpophalangeal joint in two male patients. After the procedure, both patients showed improved stability and alignment, although with a 20° reduction in joint flexion compared to the uninjured side. The technique minimizes donor-site morbidity and has potential for effective functional outcomes over time, despite limitations in the study's scope.

Original Source(s)

APB Transfer Stabilizes Chronic Thumb RCL

  • by Andrea Surnit

  • April 6, 2026

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