Revolutionizing Maternal Cardiac Arrest Management: Insights from Enhanced Obstetric Life Support Training

Maternal cardiac arrest (MCA) occurs in 1 in 3,885 delivery patients. A recent study in JAMA Network Open shows that education in Obstetric Life Support (OBLS) improves the management of MCA by healthcare providers.

In the U.S., there are no specific training requirements for MCA, despite a high maternal mortality rate of 22.3 per 100,000 live births. The study aimed to assess the effectiveness of OBLS education for healthcare professionals who work with women of reproductive age.

Researchers conducted a randomized clinical trial. Eligible participants included English-speaking healthcare professionals aged 18 and older, who work in prehospital or hospital settings. The education program consisted of a maximum of four participants per class for prehospital care and six participants for hospital care. Participants were split evenly into two groups: one receiving OBLS education and the other not receiving education.

Both groups underwent cognitive and confidence evaluations at the start. Those in the OBLS group had additional evaluations after their training and again at six and twelve months later. The OBLS program was an intensive training course that incorporated evidence-based practices recommended by the American Heart Association. Participants needed a score of 70% or higher to pass.

The study included 46 participants, with an average age of 41.1 years. The diversity included 7% Asian, 7% Black, 2% Hispanic, 58% White, and 2% other. Only 37% had experience as simulation instructors. Most baseline characteristics were similar between both groups, except for two participants in the control group who were certified in Advanced Trauma Life Support.

Results showed that the intervention group scored higher on cognitive tests, averaging 79.5% compared to 63.4% in the control group. Megacode scores were also better, with 91% versus 61%. The pass rate for assessments was significantly different, at 90% for the OBLS group and 10% for the control group. Confidence scores improved, with the intervention group averaging 17.9 points and the control group showing increases over time.

These findings suggest that OBLS education enhances healthcare professionals’ readiness for managing MCA. The study calls for broader implementation of training programs to equip healthcare workers for maternal medical emergencies.

References

1. Shields AD, Vidosh J, Minard C, et al. Obstetric Life Support education for maternal cardiac arrest: A randomized clinical trial. JAMA Netw Open. 2024;7(11):e2445295.
2. Hoyert DL. Health E-stat: maternal mortality rates in the United States, 2022. National Center for Health Statistics. 2024.