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Updated: Feb 10, 2026

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

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[Hypertrophic cardiomyopathy and ischemic heart disease: the problem of pathology combination]

E A Kovalevskaya1, N S Krylova2, N G Poteshkina2

  • 1State Budgetary Institution of Health Care, "Municipal Clinical Hospital #52 of the Moscow Department of Health Care".

Kardiologiia
|May 17, 2018
PubMed

Insights

Diagnosing combined hypertrophic cardiomyopathy (HCM) and coronary artery disease (CAD) is challenging due to overlapping symptoms. Advanced imaging like coronary angiography is crucial for accurate diagnosis in these complex cardiac cases.

Area of Science:

  • Cardiology
  • Genetics
  • Medical Diagnostics

Background:

  • Hypertrophic cardiomyopathy (HCM) stems from genetic mutations affecting myocardial contractile proteins, occurring in approximately 0.5% of the population.
  • HCM frequently presents with anginal pain and distinctive ECG changes, complicating the diagnosis when co-occurring with coronary artery disease (CAD).
  • Standard diagnostic methods for myocardial ischemia are often insufficient to differentiate between HCM and CAD.

Purpose of the Study:

  • To address the diagnostic challenges posed by the co-occurrence of hypertrophic cardiomyopathy (HCM) and coronary artery disease (CAD).
  • To highlight the limitations of conventional diagnostic tools in identifying myocardial ischemia in patients with both conditions.
  • To investigate the clinical course and prognosis of elderly patients with combined HCM and CAD.

Main Methods:

  • Evaluation of standard instrumental examination methods (ECG, exercise tests, stress tests with myocardial visualization).
  • Utilizing coronary angiography as the gold standard for detecting atherosclerotic lesions in suspected CAD.
  • Considering multispiral computed tomography of coronary arteries for patients with low CAD risk.

Main Results:

  • Standard diagnostic methods often fail to reliably distinguish myocardial ischemia in the context of combined HCM and CAD.
  • Coronary angiography and CT angiography are essential for definitive diagnosis of coronary artery atherosclerosis.
  • The co-occurrence of HCM and CAD, particularly in older adults, warrants further investigation into disease characteristics and prognosis.

Conclusions:

  • The combined presence of HCM and CAD presents significant diagnostic difficulties for clinicians.
  • Advanced imaging techniques are indispensable for accurate diagnosis of coronary artery disease in HCM patients.
  • Further research is needed to understand the specific clinical features and long-term outcomes for patients with both HCM and CAD.

Keywords:
hypertrophic cardiomyopathy, coronary artery disease, diagnosis, prognosis

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