Missile injuries of the sciatic nerve are frequently encountered in modern violent conflicts. Gunshot and fragment wounds may cause large nerve defects, for which management is challenging. The great size of the sciatic nerve, in both diameter and length, explains the poor results of nerve repair using autografts or allografts. To address this issue, we used a simple technique consisting of a direct suture of the sciatic nerve combined with knee flexion for 6 weeks. Despite a published series showing that this procedure gives better results than sciatic nerve grafting, it remains unknown or underutilized. The purpose of this cases study is to highlight the efficiency of direct sciatic nerve coaptation with knee flexed through three cases with missile injuries at various levels. At the follow-up of two years, all patients were pain free with a protective sensory in the sole and M3+ or M4 gastrocnemius muscles, regardless of the injury level. Recovery was also satisfying in the fibular portion, except for the very proximal lesion. No significant knee stiffness was noticed, including in a case suffering from an associated distal femur fracture. Key points to enhance functional recovery are early nerve repair (as soon as definitive bone fixation and stable soft-tissue coverage are achieved) and careful patient selection.
Radial club hand deformities are commonly treated with arthrolysis to allow centralization of the ulna. In this retrospective cohort study of 31 hands in 28 patients, we aimed to assess the outcomes of correction using progressive distraction and subsequent percutaneous pinning of the wrist with a corrective ulnar osteotomy. Mean follow-up time was 7 years (range 2 to 20). The angulation of the hand–forearm complex was decreased after each step of the procedure. Mean correction of the angulation was 64°, and the residual total forearm–hand angulation was 12° after completion of the surgery. At the time of bony maturity (four patients), all wrists had fused. Fifty-eight reoperations were required in 31 wrists because of pin migration or breakage, and in addition 18 secondary osteotomies of the ulna were performed. From this study we conclude that distraction and pinning provide satisfactory and stable realignment of the wrist to correct the deformity, but this treatment has drawbacks regarding the high number of reoperations and the loss of wrist mobility. Level of evidence: IV
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