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Published on: February 17, 2018
Peripartum cardiomyopathy and dilated cardiomyopathy: different at heart
Ilse A E Bollen1, Elza D Van Deel1, Diederik W D Kuster1
1Department of Physiology, Institute for Cardiovascular Research (ICaR-VU), VU University Medical Center Amsterdam, Netherlands.
Insights
Peripartum cardiomyopathy (PPCM) and dilated cardiomyopathy (DCM) share clinical signs but differ in pathogenesis. This review compares PPCM and DCM to clarify their distinct underlying causes and outcomes.
Area of Science:
- Cardiology
- Pathology
- Reproductive Medicine
Background:
- Peripartum cardiomyopathy (PPCM) presents similar symptoms to dilated cardiomyopathy (DCM), including ventricular dilation and systolic dysfunction.
- Historically, PPCM was considered a pregnancy-induced form of DCM, but emerging research suggests distinct pathologies.
- Both conditions may involve shared pathways like oxidative stress and microvascular impairment.
Purpose of the Study:
- To compare the etiology, pathogenesis, and outcomes of PPCM and DCM.
- To elucidate the reasons behind the similar clinical presentations but different underlying pathologies of these cardiomyopathies.
Main Methods:
- A comprehensive review of existing studies comparing dilated cardiomyopathy (DCM) and peripartum cardiomyopathy (PPCM).
- Analysis of overlapping and divergent aspects of disease etiology, pathogenesis, and clinical outcomes.
Main Results:
- While PPCM and DCM share some pathogenic mechanisms, significant differences in disease progression and patient outcomes are observed.
- Discrepancies in progression and outcomes suggest fundamental differences in the underlying pathologies of PPCM and DCM.
Conclusions:
- PPCM and DCM, despite clinical similarities, possess distinct etiological and pathogenetic profiles.
- Understanding these differences is crucial for accurate diagnosis, targeted treatment, and improved patient outcomes in both conditions.
Abstract:
Peripartum cardiomyopathy (PPCM) is a severe cardiac disease occurring in the last month of pregnancy or in the first 5 months after delivery and shows many similar clinical characteristics as dilated cardiomyopathy (DCM) such as ventricle dilation and systolic dysfunction. While PPCM was believed to be DCM triggered by pregnancy, more and more studies show important differences between these diseases. While it is likely they share part of their pathogenesis such as increased oxidative stress and an impaired microvasculature, discrepancies seen in disease progression and outcome indicate there must be differences in pathogenesis as well. In this review, we compared studies in DCM and PPCM to search for overlapping and deviating disease etiology, pathogenesis and outcome in order to understand why these cardiomyopathies share similar clinical features but have different underlying pathologies.
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