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Hypertension in pregnancy as the most influential risk factor for PPCM

Peri-partum cardiomyopathy (PPCM) is one of the leading causes of maternal mortality worldwide, but the exact cause of PPCM is still unknown. PPCM is often associated with many risk factors, especially hypertension in pregnancy. This study aimed to evaluate the most influential risk factors of PPCM in Javanese ethnic patients.

The study was a case-control study involving 96 PPCM patients and 96 healthy non-PPCM parturients (control group) in the Hasan Sadikin Central General Hospital, West Java, Indonesia in the period from 2011 to 2014. A multiple logistic regression analysis was performed to evaluate the most influential risk factors for PPCM.

There were four significant and independent risk factors in this study, which were low socioeconomic status (adjusted odds ratio [OR] 3.312; confidence interval [CI] 1.383, 7.932), history of hypertension in previous pregnancy (adjusted OR 4.862; CI 1.245, 8.988), hypertension in current pregnancy (adjusted OR 2.311; CI 1.164, 4.590), and multi-foetal pregnancy (adjusted OR 7.057; CI 0.777, 64.097). Multiple logistic regression analysis showed the history of hypertension in previous pregnancy or hypertension in current pregnancy were the most influential independent risk factors of PPCM based on the narrowest confidence interval range, and after adjustment for other significant risk factors.

In this study, history of hypertension in previous pregnancy and hypertension in current pregnancy were the most influential and independent risk factors for PPCM. This study may increase awareness of treatment required for patients with hypertension in pregnancy, and also supports the pathogenesis of hypertension in pregnancy associated with PPCM, especially pre-eclampsia.

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