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Fetal deformations: a risk factor for obstetrical brachial plexus palsy?
Israel Alfonso1, Gemma Diaz-Arca, Daniel T Alfonso
1Brachial Plexus Center, Department of Neurology, Miami Children's Hospital, Miami, Florida 33155, USA. ialfonso@pediatricneuro.com
Pediatric Neurology
|September 26, 2006
Summary
Congenital deformations may increase the risk of obstetrical brachial plexus palsy (OBPP). This study found a higher incidence of deformations in infants with OBPP, particularly those born via cesarean section.
Area of Science:
- Pediatrics
- Neurology
- Obstetrics
Background:
- Obstetrical brachial plexus palsy (OBPP) is a birth injury affecting newborns.
- Congenital deformations are physical abnormalities present at birth.
Purpose of the Study:
- To investigate the association between congenital deformations and obstetrical brachial plexus palsy (OBPP).
- To explore potential risk factors contributing to OBPP.
Main Methods:
- Retrospective chart review of 158 infants diagnosed with OBPP.
- Evaluation of patients under 1 year of age by a single specialist.
- Data collection on patient demographics, delivery method, and presence of deformations.
Main Results:
- Seven out of 158 patients (4.4%) with OBPP had congenital deformations.
- Deformations occurred in 32% of cesarean-delivered infants versus 2% of vaginally-delivered infants with OBPP.
- All affected infants had unilateral Erb's palsies; deformations involved ipsilateral sites.
Conclusions:
- Congenital deformations may be a risk factor for developing obstetrical brachial plexus palsy.
- The findings suggest a potential link between compressive forces causing deformations and traction forces causing OBPP.
- Cesarean section delivery may be associated with a higher incidence of deformations in OBPP cases.
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