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Triceps motor branch transfer for isolated traumatic pediatric axillary nerve injuries

Harvey Chim1, Michelle F Kircher, Robert J Spinner

  • 1Division of Hand Surgery, Department of Orthopedic Surgery, and.

Journal of Neurosurgery. Pediatrics
|November 15, 2014
PubMed

Insights

Triceps motor branch transfer effectively treats isolated axillary nerve palsy in children with traumatic injuries. This surgical option shows promising outcomes for pediatric patients, restoring deltoid muscle strength and shoulder function.

Area of Science:

  • Pediatric Orthopedics
  • Neurosurgery
  • Reconstructive Surgery

Background:

  • Triceps motor branch transfer is a recognized treatment for adult axillary nerve palsy.
  • Limited data exists on its efficacy in pediatric patients with traumatic injuries.

Purpose of the Study:

  • To evaluate the outcomes of triceps motor branch transfer for isolated axillary nerve injuries in pediatric patients.
  • To assess the effectiveness of this procedure in restoring deltoid muscle function and shoulder abduction.

Main Methods:

  • Retrospective review of six pediatric patients (ages 10-17) who underwent triceps motor branch transfer for axillary nerve injury.
  • Evaluation of deltoid muscle strength using the modified British Medical Research Council (MRC) grading system and measurement of shoulder abduction.

Main Results:

  • Mean follow-up was 38 months, with an average postoperative deltoid MRC grade of 3.6.
  • Median MRC grade was 4, indicating good functional recovery.
  • Factors like age and delay to surgery did not significantly impact outcomes in this pediatric cohort.

Conclusions:

  • Triceps motor branch transfer is a viable and effective surgical option for treating isolated axillary nerve injuries in pediatric patients with traumatic injuries.
  • The procedure can lead to favorable functional outcomes, including improved deltoid muscle strength and shoulder function.
Abstract

Keywords:
BMI = body mass indexMRC = Medical Research CouncilMVA = motor vehicle accidentaxillary nerve injurynerve transferperipheral nervetriceps motor branch

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