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J Hand Surg Am. 2010 Aug;35(8):1297-303. doi: 10.1016/j.jhsa.2010.04.025. Epub 2010 Jul 16.

A comparison of intercostal and partial ulnar nerve transfers in restoring elbow flexion following upper brachial plexus injury (C5-C6+/-C7).

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  • 1Hand and Upper Limb Surgery Department, Lapeyronie University Hospital, Montpellier, France. bertrand-coulet@wanadoo.fr

Abstract

PURPOSE:

Restoring active elbow flexion is essential in the surgical management of C5-C6 +/- C7 brachial plexus palsies. This study compares the clinical results of 2 techniques to restore elbow flexion: the partial ulnar nerve transfer and the intercostal nerve transfer.

METHODS:

Partial ulnar nerve transfer was performed in 23 patients, and intercostal nerve transfer was performed in 17 patients. For both techniques, the transfer to the musculocutaneous nerve was made at the same anatomical point. Age and preoperative delay were comparable between groups of patients.

RESULTS:

Biceps reinnervation time was significantly earlier (p = .001) in the ulnar nerve technique (mean, 5.1 mo) than the intercostal nerve technique (mean 9.9 mo). Ten of 17 patients recovered useful elbow flexion force (British Medical Research Council grade >M3) in the intercostal nerve transfer group, compared with 20 of 23 patients in the ulnar nerve transfer group. No patient who had surgery more than 6 months after the injury recovered useful elbow flexion force in the intercostal nerve transfer. Elbow flexion strength was better in patients less than 30 years old in the intercostal nerve group. No complications were observed in either group.

CONCLUSIONS:

This study shows that transferring fascicles of the ulnar nerve yields better results than intercostals nerve transfer for restoring elbow flexion. Moreover, preoperative delay and age are important preoperative prognostic factors for the intercostal nerves transfers.

TYPE OF STUDY/LEVEL OF EVIDENCE:

Therapeutic III.

Copyright 2010. Published by Elsevier Inc.

PMID:
20638201
[PubMed - indexed for MEDLINE]
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