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Challenges in Nerve Repair and Reconstruction
Journal article   Peer reviewed

Challenges in Nerve Repair and Reconstruction

James S. Lin and Sonu A. Jain
Hand clinics, Vol.39(3), pp.403-415
08/01/2023
DOI: 10.1016/j.hcl.2023.05.001
PMID: 37453767

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Abstract

Peripheral nerve injuries can substantially impair a patient's quality of life. Despite appropriate surgi-cal intervention, outcomes often remain poor and functional recovery does not occur in many cases. When possible, direct end-to-end nerve repair is the treatment of choice. The presence of signifi-cant retraction or nerve defects causing excessive tension at a repair site often precludes direct repair. Nerve autografts remain the gold standard for the reconstruction of larger nerve gaps, but donor site morbidity remains a notable challenge. Processed nerve allografts and conduits are viable options for reconstruction that avoid donor site morbidity. These two options pose their own chal-lenges, as evidence supporting their use is limited to small-diameter nerve injuries with short defects. Nerve transfers are a relatively new technique that has gained momentum over the past couple of de-cades. However, functional recovery may be limited if the degeneration of the recipient motor endplates has already occurred. Future directions include molecular and cell-based therapies and pharmacologic agents to enhance regeneration and hopefully improve the outcomes of these chal-lenging injuries.
Life Sciences & Biomedicine Orthopedics Science & Technology

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