Abstract

Objective To analyze the effect of nerve graft length and body mass index (BMI) on the clinical outcomes of phrenic to musculocutaneous nerve transfer by means of a follow-up study of 17 brachial plexus injury patients who underwent phrenic nerve transfer via a nerve graft to restore elbow flexion.MethodsA retrograde study was carried out in 17 patients who underwent phrenic nerve to musculocutaneous nerve transfervia a nerve graft from 2007 to 2010.The length of the grafts,the patients' BMI and the effectiveness of thetransfer by way of elbow flexion recovery were noted.Results The effectiveness of elbow flexion recovery inthe 17 patient was 82.4%.There was no obvious correlation of the length of the nerve graft and BMI to theeffectiveness of functional recovery.Conclusion In brachial plexus injury,especially complete brachial plexusinjury patients the length of nerve graft and BMI do not affect the functional results of phrenic to musculocutaneousnerve transfer. Key words: Brachial plexus; Phrenic nerve; Nerve graft

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