[Familial dilated cardiomyopathy]

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Updated: Nov 7, 2026

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
03:45

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model

Published on: August 8, 2022

M Csanády1

  • 1Szent-Györgyi Albert Orvostudományi Egyetem, Szeged, II. sz. Belgyógyászati Klinika.

Orvosi Hetilap
|March 7, 1993
PubMed

Insights

Familial dilatative cardiomyopathy presents earlier and progresses faster than the nonfamilial form, with a significantly lower five-year survival rate. This genetic heart condition impacts younger individuals and has a poorer prognosis.

Area of Science:

  • Cardiology
  • Genetics
  • Internal Medicine

Context:

  • Dilatative cardiomyopathy (DCM) is a significant cause of heart failure.
  • Understanding familial DCM is crucial for early diagnosis and management.
  • This study reviews existing literature and presents new data on familial DCM.

Purpose:

  • To provide a state-of-the-art overview of familial dilatative cardiomyopathy.
  • To analyze the incidence, inheritance patterns, clinical presentation, and prognosis of familial DCM.
  • To compare familial DCM with the nonfamilial form.

Summary:

  • Familial DCM accounts for a notable incidence (21.5%) in DCM patients, predominantly with autosomal dominant inheritance.
  • Familial DCM exhibits an earlier onset of cardiomegaly and symptoms compared to nonfamilial DCM.
  • The five-year survival rate is significantly lower in familial DCM (23.1%) versus nonfamilial DCM (52.1%).

Impact:

  • Highlights the aggressive nature and poorer prognosis of familial dilatative cardiomyopathy.
  • Emphasizes the need for genetic screening in families with DCM.
  • Informs clinical practice regarding earlier symptom onset and accelerated disease progression in genetic DCM.

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