Abstract
Objective To evaluate the outcomes of early direct repair of re-ruptured flexor digitorum tendons in Zone Ⅱ and Ⅲ. Methods We retrospectively studied 17 cases(21 digits) of re-rupture of primary flexor tendon repairs in Zones Ⅱ and Ⅲ treated between March 2008 and September 2014. Among them there were 12 males and 5 females with the mean age of 31 years (range, 18 to 42 years). The rupture was in zone Ⅱ in 10 cases and in zone Ⅲ in 7 cases. The interval between the re-operation and rupture was 4 to 17 days (average 8 days). The flexor digitorum profundus tendon was repaired by triple modified Kessler′s technique, and if possible, the flexor digitorum superficialis tendon in zone Ⅲ was repaired by double modified Kessler′s suture. Results The follow-up period ranged from 4 to 8 months, with an average of 6 months. There was no re-rupture of the tendons. According to total active motion (TAM) classification of functional assessment criteria issued by the Chinese Hand Surgery Society, the final results were good to excellent in 85.7% of the digits. Conclusion Early repair of re-ruptured flexor tendons in zone Ⅱ and Ⅲ could still lead to satisfactory results. Key words: Tendon injuries; Treatment outcome; Modified Kessler′s suture; Early repair
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