Background Peripartum cardiomyopathy (PPCM) is a dilated cardiomyopathy that affects women in the peripartum period. The incidence of PPCM in the United States is 1,100 women per year. We studied the admission of women diagnosed with PPCM to the intensive care unit (ICU) with the goal of identifying factors that increase risk for adverse outcomes. Methods This was a retrospective study of 2,286 patients with a diagnosis of PPCM admitted to a private hospital system across the United States between the years 2017 and 2021. Logistical regression analysis was utilized to identify specific patient characteristics and risk factors that were associated with admission to the ICU. Results The average age of patients was 32.13 years. The patient cohort was 39.76% black, 39.15% white, and 13.12% Hispanic. The average length of stay was 3.35 days. Preeclampsia was present in 342 (14.96%) patients, cerebral infarction in 31 (1.36%) patients, eclampsia in 48 (2.10%) patients, myocardial infarction (MI) in 52 (2.27%) patients, and HELLP (hemolysis, elevated liver enzymes, low platelets) syndrome in 24 (1.05%) patients. There was a total of 504 (22.05%) patients admitted to the ICU. Preeclampsia (adjusted odds ratio [adj. OR] 1.588, 95% confidence interval [CI] 1.215–2.074, p<0.001), eclampsia (adj. OR 3.131, 95% CI 1.718–5.708, p<0.001), cerebral infarction (adj. OR 4.381, 95% CI 2.028–9.463, p<0.001), age (adj. OR 0.967, 95% CI 0.953–0.982, p<0.001), MI (adj. OR 2.961, 95% CI 1.608–5.455, p<0.001), and HELLP syndrome (adj. OR 4.655, 95% CI 1.926–11.256, p<0.001) were all associated with increased odds of requiring ICU level of care. However, hypertension, d-dimer level, troponin level, active tobacco smoking, alcohol use, and diabetes mellitus were not associated with increased likelihood of admission to the ICU. Conclusion In our study of 2,286 women with PPCM, we found statistically significant predictors of ICU admission included age, HELLP syndrome, eclampsia, preeclampsia, MI, and cerebral infarction. This data may be useful for the early identification and triaging of patients with PPCM that require higher level of care. These results can be utilized in developing a risk score to assist in this goal. Funding Acknowledgement Type of funding sources: Private hospital(s). Main funding source(s): HCA-Riverside Community Hospital
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