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Intermediate Type of Obstetric Brachial Plexus Palsy

Amel A F El-Sayed1

  • 1Department of Obstetrics, King Saud University, Riyadh, Saudi Arabia amelelsayed62@hotmail.com.

Journal of Child Neurology
|September 23, 2016
PubMed

Insights

Three rare cases of obstetric brachial plexus palsy were identified, presenting as mild intermediate types predominantly affecting the C7 root. These infants showed excellent spontaneous motor recovery within 6-12 months.

Area of Science:

  • Neurology
  • Pediatrics
  • Orthopedics

Background:

  • Obstetric brachial plexus palsy (OBPP) is a significant birth injury.
  • Classic OBPP types include Erb's, extended Erb's, and total palsies.
  • Understanding rare OBPP variations is crucial for accurate diagnosis and management.

Observation:

  • A review of 829 infants with OBPP identified three cases (0.4%) not fitting classic classifications.
  • These unusual cases presented with bilateral or unilateral palsy, characterized by "abducted arms" and "flexed forearms."
  • Electrophysiological findings indicated denervation of shoulder adductors and triceps.

Findings:

  • The three atypical cases were classified as mild "intermediate" types of OBPP.
  • The C7 root was identified as the predominant site of injury in these cases.
  • All affected infants demonstrated excellent spontaneous motor recovery within 6 to 12 months.

Implications:

  • Recognition of these intermediate OBPP types can refine diagnostic approaches.
  • Identifying C7 root involvement aids in predicting prognosis.
  • The findings suggest that prompt identification and management of these milder forms lead to favorable outcomes.

Keywords:
C7 rootbrachial plexusobstetric palsy

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