Authors
Abstract
Background: Extensor tendon lacerations are more common than flexor tendon injuries. The outcome of repair in these lesions depends on multiple factors including severity of initial trauma, other coexisting injuries, anatomic site of the laceration, experience of the surgeon, and also the post operative rehabilitation. The aim of this study is to evaluate the results of primary extensor tendon repair in different anatomic zones of the hand.Methods: During a period of 28 months, 32 patients with open extensor tendon lacerations -with no associated hand fracture- were repaired by modified Kessler technique using 4-0, non-absorbable suture in Ahwaz teaching hospitals from 2004 to 2006. The mean age of patients was 24.6 years (17-46 y).The patients were followed for a mean of 7 months, and were assessed using Miller’s rating system. Results: Seventy two extensor tendons in 32 patients were repaired. There was no re-rupture or infection. The most rupture was seen in zones 5 (36%) and 3 (34.7%) and the least in zones 1 (6.9%) and 4 (9.7%). The best results were obtained in zone 5, followed by zone 3) 88% and 84%(. The worst outcome was in repairs of zones 1, 2 and 4.Conclusions: The site of tendon rupture is a strong determinant of repair outcome .The ruptures in the complex extensor expansion or beneath the extensor retinaculum have the worst results of repair.
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