Brachial plexus palsy: an old problem revisited again. II. Cases in point
1Department of Obstetrics and Gynecology, St. Joseph's Hospital and Medical Center, Phoenix, AZ, USA.
American Journal of Obstetrics and Gynecology
|June 1, 1997
Summary
Brachial plexus injuries are not always caused by excessive force during delivery. This study challenges the common belief, presenting cases where other factors were involved in brachial plexus impairment.
Area of Science:
- Obstetrics and Gynecology
- Pediatric Medicine
- Forensic Medicine
Background:
- Brachial plexus impairment is frequently attributed to excessive lateral traction on the fetal head during the final stage of childbirth.
- This assertion is often made by plaintiffs' expert witnesses in medicolegal cases.
Observation:
- Medicolegal consultations were reviewed to analyze cases of brachial plexus impairment.
- Specific case studies were examined to evaluate the causal relationship between delivery maneuvers and brachial plexus injuries.
Findings:
- Cases of brachial plexus impairment were identified without evidence of shoulder dystocia or excessive lateral traction.
- One case with documented shoulder dystocia also showed evidence of intrauterine maladaptation.
- Another case involved posterior shoulder involvement, suggesting alternative mechanisms.
Implications:
- The findings challenge the exclusive causal link between excessive lateral traction during delivery and brachial plexus impairment.
- It suggests that other intrauterine or delivery-related factors can contribute to brachial plexus injuries.
- This has significant implications for medicolegal assessments and understanding the etiology of neonatal brachial plexus injuries.
