The use of bioabsorbable screw in a split anterior tibial tendon transfer: a preliminary result : Journal of Pediatric Orthopaedics B

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The use of bioabsorbable screw in a split anterior tibial tendon transfer: a preliminary result

Wu, Kuan-Wena; Huang, Shier-Chiega; Kuo, Ken N.b; Wang, Ting-Mingb

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Journal of Pediatric Orthopaedics B 18(2):p 69-72, March 2009. | DOI: 10.1097/BPB.0b013e328329429a

Abstract

The split anterior tibial tendon transfer is a procedure commonly used to correct equinovarus deformity of the foot, primarily in children with spastic cerebral palsy. The procedure has been reported to yield satisfactory results; it can be combined with other soft tissue lengthening. Typically, the transferred tendon can be fixed by either button, staple, metal screw, or anchored into two bony tunnels. Occasionally, failure to maintain transferred tendon fixation may result from conventional surgical methods and therefore lead to undesirable results. The technique of using bioabsorbable interference screw has been proved to be effective in securing the graft as anterior cruciate ligament reconstruction in knee joint. To our knowledge, only few literatures have reported on the use of bioabsorbable screw in the treatment of tendon transfers around the foot. From 2004 to 2006, split anterior tibial tendon transfers with concomitant tendo-Achilles lengthening were applied to 13 patients (16 feet) who had a dynamic equinovarus deformity secondary to spastic cerebral palsy. Mean age at surgery was 8 years and the average follow-up period was 16 months (range, 12–28 months). A 7×23 mm cannulated bioabsorbable interference screw was used to fix the transferred tendon. Postoperatively, we used the rating system of Kling et al. to assess the clinical results. Our findings showed that there were 10 excellent, six good, and no poor results. All patients had improved gait at their latest follow-ups. At final follow-up, there was no graft failures or postoperative complications related to the bioabsorbable screw in our series. Although the study is based on a small number of cases, we suggest this technique is an additional armamentarium in fixation for tendon transfers in children's feet.

© 2009 Lippincott Williams & Wilkins, Inc.

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