[Secondary tendon reconstruction on the thumb].
Closed tendon ruptures of the thumb that require secondary reconstruction can affect the extensor pollicis longus (EPL), extensor pollicis brevis (EPB) and flexor pollicis longus (FPL) tendons. Treatment of rupture of the EPB tendon consists of refixation to the bone and temporary transfixation of the joint. In the case of preexisting or posttraumatic arthrosis, definitive arthrodesis of the thumb is the best procedure. Closed ruptures of the EPL and FPL tendons at the wrist joint cannot be treated by direct tendon suture. Rupture of the EPL tendon occurs after distal radius fractures either due to protruding screws or following conservative treatment especially in undisplaced fractures. Transfer of the extensor indicis tendon to the distal EPL stump is a good option and free interposition of the palmaris longus tendon is a possible alternative. The tension should be adjusted to slight overcorrection, which can be checked intraoperatively by performing the tenodesis test. Closed FPL ruptures at the wrist typically occur 3-6 months after osteosynthesis of distal radius fractures with palmar plates and are mostly characterized by crepitation and pain lasting for several weeks. They can be prevented by premature plate removal, synovectomy and carpal tunnel release. For treatment of a ruptured FPL tendon in adult patients the options for tendon reconstruction should be weighed up against the less complicated tenodesis or arthrodesis of the thumb interphalangeal joint.
Sektion Handchirurgie, Klinik für Hand-, Plastische und Rekonstruktive Chirurgie, BG Klinik Ludwigshafen, Ludwig-Guttmann-Str. 13, 67071, Ludwigshafen, Deutschland. bickert@bgu-ludwigshafen.de.
B
B
Bickert
Klinik für Hand-, Plastische und Rekonstruktive Chirurgie, BG Klinik Ludwigshafen, Ludwigshafen, Deutschland.
T
T
Kremer
Klinik für Hand-, Plastische und Rekonstruktive Chirurgie, BG Klinik Ludwigshafen, Ludwigshafen, Deutschland.
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U
Kneser
D019317:Evidence-Based Medicine; D005383:Finger Injuries / Q000601:surgery*; D006801:Humans; D019651:Plastic Surgery Procedures / Q000295:instrumentation / Q000379:methods*; D013708:Tendon Injuries / Q000601:surgery*; D013709:Tendon Transfer / Q000295:instrumentation / Q000379:methods*; D053656:Tenodesis / Q000295:instrumentation / Q000379:methods*; D013933:Thumb / Q000293:injuries*; D016896:Treatment Outcome
Extensor pollicis longus; Flexor pollicis longus; Motor replacement operation; Tendon transfer; Tenodesis
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