Nerves transfers for functional hand recovery in traumatic lower brachial plexopathy

Author:

Souza Fernando Henrique,Bernardino Silvya Nery,Junior Auricelio Batista Cezar,Martins Hugo André de Lima,Souza Isabel Nery Bernardino,Souza Regina Nery Bernardino,Azevedo-Filho Hildo Rocha Cirne

Abstract

Background:Distal nerve transfers are an innovative modality for the treatment of C8-T1 brachial plexus lesions. The purpose of this case series is to report the authors’ results with hand restoration function by nerve transfer in patients with lower brachial plexus injury.Methods:Three consecutive nerve transfers were performed in a series of 11 patients to restore hand function after injury to the lower brachial plexus: brachialis motor branch to anterior interosseous nerve (AIN) and supinator branch to the posterior interosseous nerve (PIN) in a first surgical procedure, and AIN to pronator quadratus branch of ulnar nerve between 4 and 6 months later.Results:In all, 11 male patients underwent 33 surgical procedures. Time between brachial plexus injury and surgery was a mean of 11 months (range 4–13 months). Postoperative follow-up ranged from 12 to 24 months. We observed recovery of M3 or better finger flexion strength (AIN) and wrist extension (PIN) in 8 of the 11 surgically treated upper limbs. These patients recovered full thumb and finger extension between 6 and 12 months of surgery, without significant loss of donor function.Conclusion:Nerve transfers represent a way of restoring volitional control of upper extremity function in patients with C8-T1 brachial plexus injury.

Publisher

Scientific Scholar

Subject

Neurology (clinical),Surgery

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