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External Cephalic Version: Is it an Effective and Safe Procedure?
Published on: June 6, 2020
Perimortem cesarean delivery: its role in maternal mortality
1Department of Obstetrics and Gynecology, Peace Health Medical Center, Oregon Health and Science University, 181 W 22nd Ave., Eugene, OR 97405, USA. vkatz@peacehealth.org
Seminars in Perinatology
|January 28, 2012
Summary
Perimortem cesarean delivery, a procedure for mothers experiencing cardiac arrest, can revive the mother and save the neonate. Prompt delivery within 4 minutes is crucial to prevent fetal anoxia and improve maternal resuscitation outcomes.
Area of Science:
- Medical Science
- Obstetrics and Gynecology
- Emergency Medicine
Background:
- Historically, postmortem cesarean deliveries were performed for ritualistic purposes and the rare chance of a live birth.
- Evolving obstetric practices and changes in maternal mortality causes (e.g., cardiac arrest) increased the potential for viable neonate delivery during maternal death.
- Cardiopulmonary resuscitation (CPR) in pregnant patients is less effective due to supine positioning, necessitating alternative interventions.
Purpose of the Study:
- To re-evaluate the role and efficacy of postmortem cesarean delivery in modern obstetrics.
- To highlight the benefits of perimortem cesarean delivery in improving maternal resuscitation and ensuring fetal survival.
- To establish the critical timing for intervention, emphasizing the "4-minute rule" for optimal outcomes.
Main Methods:
- Review of historical practices and evolution of cesarean delivery during maternal death.
- Analysis of the physiological challenges of CPR in gravid patients.
- Observation of the impact of perimortem cesarean delivery on maternal resuscitation and fetal viability.
Main Results:
- Perimortem cesarean delivery can paradoxically improve the effectiveness of CPR in pregnant patients, leading to maternal revival.
- Timely perimortem cesarean delivery is essential to prevent fetal anoxic brain injury, with a recommended initiation at 4 minutes.
- The procedure offers a dual benefit: potential maternal survival and guaranteed fetal salvage.
Conclusions:
- Perimortem cesarean delivery is a critical intervention in cases of maternal cardiac arrest during pregnancy.
- Adherence to the "4-minute rule" maximizes the chances of a healthy fetal outcome and improves maternal resuscitation success.
- Overcoming the "horror" of maternal cardiac arrest and acting swiftly on perimortem delivery is vital for both mother and child.

