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Comparative Study
. 2018 Apr;141(4):949-959.
doi: 10.1097/PRS.0000000000004229.

Recovery of Elbow Flexion after Nerve Reconstruction versus Free Functional Muscle Transfer for Late, Traumatic Brachial Plexus Palsy: A Systematic Review

Don Hoang  1   2 , Vivi W Chen  1   2 , Mitchel Seruya  1   2
Affiliations
Comparative Study

Recovery of Elbow Flexion after Nerve Reconstruction versus Free Functional Muscle Transfer for Late, Traumatic Brachial Plexus Palsy: A Systematic Review

Don Hoang et al. Plast Reconstr Surg. 2018 Apr.

Abstract

Background: In late presentation of brachial plexus trauma, it is unclear whether donor nerves should be devoted to nerve reconstruction or reserved for free functional muscle transfer. The authors systematically reviewed recovery of elbow flexion after nerve reconstruction versus free functional muscle transfer for late, traumatic brachial plexus palsy.

Methods: A systematic review was performed using the PubMed, Embase, and Cochrane databases to identify all cases of traumatic brachial plexus palsy in patients aged 18 years or older. Patients who underwent late (≥12 months) nerve reconstruction or free functional muscle transfer for elbow flexion were included. Age, time to operation, and level of brachial plexus injury were recorded. British Medical Research Council grade for strength and range of motion were evaluated for elbow flexion.

Results: Thirty-three studies met criteria, for a total of 103 patients (nerve reconstruction, n = 53; free functional muscle transfer, n = 50). There were no differences across groups regarding surgical age (time from injury) and preoperative elbow flexion. For upper trunk injuries, 53 percent of reconstruction patients versus 100 percent of muscle transfer patients achieved grade M3 or greater strength, and 43 percent of reconstruction patients versus 70 percent of muscle transfer patients achieved grade M4 or greater strength. Of the total brachial plexus injuries, 37 percent of reconstruction patients versus 78 percent of muscle transfer patients achieved grade M3 or greater strength, and 16 percent of reconstruction patients versus 46 percent of muscle transfer patients achieved grades M4 or greater strength.

Conclusion: In late presentation of traumatic brachial plexus injuries, donor nerves should be reserved for free functional muscle transfer to restore elbow flexion.

Clinical question/level of evidence: Therapeutic, IV.

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