Acute cardiac care & resuscitation

Cardiac Arrest During Delivery Hospitalization : A Cohort Study

Ann Intern MedPublished Retrospective cohort study

Authors' conclusion

Cardiac arrest was observed in approximately 1 in 9000 delivery hospitalizations, among which nearly 7 in 10 women survived to hospital discharge. Survival was lowest during hospitalizations with co-occurring DIC.

Study context

Population
Delivery hospitalizations among women aged 12 to 55 years, US acute care hospitals (National Inpatient Sample), 2017–2019
Participants
10,921,784 delivery hospitalizations
Outcome
Rate of cardiac arrest during delivery hospitalization and survival to hospital discharge

Main finding

As reported in the abstract

Cardiac arrest during delivery hospitalization

Cardiac arrest rate

13.4 per 100 000

Patients with cardiac arrest

1465

Survival to hospital discharge after cardiac arrest

68.6%

95% CI 63.2% to 74.0%

Observational data: associations, not effects.

Further findings

Characteristics associated with cardiac arrest

More common among patients who were older, non-Hispanic Black, had Medicare or Medicaid, or had underlying medical conditions

Co-occurring diagnoses and procedures among cardiac arrests

Acute respiratory distress syndrome (most common co-occurring diagnosis)
56.0% [CI, 50.2% to 61.7%]
Mechanical ventilation (most common co-occurring procedure)
53.2% [CI, 47.5% to 59.0%]

Survival to hospital discharge with co-occurring disseminated intravascular coagulation (DIC)

DIC without transfusion
50.0% [CI, 35.8% to 64.2%]
DIC with transfusion
54.3% [CI, 39.2% to 69.5%]

Original publication

Cardiac Arrest During Delivery Hospitalization : A Cohort Study. Ann Intern Med. Published 14 March 2023. doi:10.7326/m22-2750

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