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A Doxorubicin-Induced Murine Model of Dilated Cardiomyopathy In Vivo
05:14

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Published on: May 16, 2020

Epidemiology of non-ischaemic dilated cardiomyopathy

Noemí Ramos-López1,2,3, Fernando Domínguez1,2,3,4, Juan Pablo Ochoa2,3

  • 1Department of Cardiology, Hospital Universitario Puerta de Hierro Majadahonda, IDIPHISA, Madrid, Spain.

Nature Reviews. Cardiology
|May 18, 2026
PubMed

Insights

Dilated cardiomyopathy affects 1 in 220 adults, often linked to genetics. Understanding its complex genetic and environmental factors is key for better heart failure management and public health strategies.

Area of Science:

  • Cardiology
  • Genetics
  • Epidemiology

Background:

  • Dilated cardiomyopathy (DCM) is a primary cause of heart failure, heart transplantation, and sudden cardiac death.
  • Non-ischaemic DCM prevalence is approximately 1 in 220, with higher rates in men.
  • Early or subclinical DCM may be more prevalent than current estimates suggest.

Purpose of the Study:

  • To explore the genetic basis and epidemiological landscape of non-ischaemic dilated cardiomyopathy.
  • To highlight the complexity of DCM's genetic architecture.
  • To emphasize the need for improved understanding for clinical and public health advancements.

Main Methods:

  • Review of genetic technologies and their impact on understanding DCM.
  • Analysis of epidemiological data, including prevalence estimates from cardiac magnetic resonance imaging.
  • Examination of the interplay between genetic, polygenic, and environmental factors.

Main Results:

  • Pathogenic variants identified in 30-40% of patients with non-ischaemic DCM.
  • DCM exhibits a complex genetic architecture, involving monogenic and polygenic factors.
  • Gene-environment interactions significantly modify disease penetrance and phenotype.

Conclusions:

  • A comprehensive understanding of DCM genetics and epidemiology is crucial.
  • Improved knowledge will aid in refining clinical management and screening protocols.
  • This research underscores the importance of integrated approaches for public health strategies related to DCM.

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