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Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_I | Pages 97 - 97
1 Mar 2009
Pafilas D Vekris M Gartzonikas D Korompilias A Beris A
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Introduction: Digital nerve lesions with nerve gaps require reconstruction with the use of some form of graft or guide. Neurotube, a bioabsorbable polyglycolic acid (PGA) conduit, has been proposed as an effective solution for this kind of defect in emergency and planned surgery.

Methods: Nineteen posttraumatic lesions of common (5 cases) or proper (14 cases) palmar digital nerves were repaired by means of Neurotube from January 2003 till January 2006. The nerve gap size averaged 22 mm (range 15–35 mm). Thirteen lesions had associated vascular, tendon or osseous injury.

Results: Nerve regeneration was evaluated at a mean of 17 months postoperative interval. Positive results in recovery of sensibility were noticed in 73 % of the cases; static and moving two point discrimination was excellent (less than 6mm and 4mm respectively) in 9 cases and fair in 5 (7–15mm and 5–7mm respectively). Dysesthesia was present in 6 patients, cold intolerance in two, delayed wound healing in one and one patient complained for painful scar. There was no infection, conduit extrusion or allergic reaction.

Discussion and Conclusion: Bioabsorbable polyglycolic acid conduit presents an attractive and useful alternative for the reconstruction of digital nerve lesions with a small nerve gap, especially when a direct anastomosis of the two stumps is not possible, or when the suture appears to be in tension. Its use is simple, safe and also eliminates the donorsite morbidity associated with nerve-graft harvesting.