title: Transfer of the brachialis to the anterior interosseous nerve as a treatment strategy for cervical spinal cord injury: technical note.
abstract: Study Design Technical report. Objective To provide a technical description of the transfer of the brachialis to the anterior interosseous nerve (AIN) for the treatment of tetraplegia after a cervical spinal cord injury (SCI). Methods In this technical report, the authors present a case illustration of an ideal surgical candidate for a brachialis-to-AIN transfer: a 21-year-old patient with a complete C7 spinal cord injury and failure of any hand motor recovery. The authors provide detailed description including images and video showing how to perform the brachialis-to-AIN transfer. Results The brachialis nerve and AIN fascicles can be successfully isolated using visual inspection and motor mapping. Then, careful dissection and microsurgical coaptation can be used for a successful anterior interosseous reinnervation. Conclusion The nerve transfer techniques for reinnervation have been described predominantly for the treatment of brachial plexus injuries. The majority of the nerve transfer techniques have focused on the upper brachial plexus or distal nerves of the lower brachial plexus. More recently, nerve transfers have reemerged as a potential reinnervation strategy for select patients with cervical SCI. The brachialis-to-AIN transfer technique offers a potential means for restoration of intrinsic hand function in patients with SCI.
authors.affiliation: Department of Neurosurgery, Washington University School of Medicine, St. Louis, Missouri, United States.
authors.forename: Ammar H
authors.initials: AH
authors.lastname: Hawasli
authors.affiliation: Department of Neurosurgery, Washington University School of Medicine, St. Louis, Missouri, United States.
authors.forename: Jodie
authors.initials: J
authors.lastname: Chang
authors.affiliation: Department of Neurosurgery, Washington University School of Medicine, St. Louis, Missouri, United States.
authors.forename: Matthew R
authors.initials: MR
authors.lastname: Reynolds
authors.affiliation: Department of Neurosurgery, Washington University School of Medicine, St. Louis, Missouri, United States.
authors.forename: Wilson Z
authors.initials: WZ
authors.lastname: Ray
keywords: anterior interosseous nerve; brachialis; nerve transfer; spinal cord injury
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