Living-Donor Nerve Transplantation for Global Obstetric Brachial Plexus Palsy

ABSTRACT

The first reported case of live-donor nerve transplantation is presented, performed in an 8-month-old infant with global obstetric brachial plexus palsy (OBPP) and four root avulsions who had undergone prior sural nerve autografting at 3 months. Cross-chest C7 nerve transfer and temporary tacrolimus/prednisone immunosuppression were utilized. Acute rejection was prevented, with no observable complications from the immunosuppressive medications, ipsilateral deficits resulting from the use of the contralateral C7 root as a donor nerve, or untoward effects on growth and development occurring over a 2-year follow-up period. Although some return of sensory and motor responses on nerve conduction studies was documented, the failure to observe a clinically significant functional improvement in the affected limb directly attributable to the transplant may have been due to performing the procedure too late and/or inadequate follow-up. Results of additional cases performed earlier than in this patient with longer follow-up will need to be evaluated to determine whether the procedure proves to be a viable therapeutic option for treatment of global OBPP with four or five root avulsions.

KEYWORDS

Nerve transplantation - obstetric brachial plexus palsy - contralateral C7 transfer

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