Significance of left ventricular hypertrophy in cardiovascular morbidity and mortality

E Kaplinsky1

  • 1Heart Institute, Sheba Medical Center, Tel-Hashomer, Israel.

Insights

Left ventricular hypertrophy (LVH) independently increases mortality risk after myocardial infarction. Patients with LVH experienced doubled 1- and 5-year mortality rates, highlighting its prognostic significance.

Area of Science:

  • Cardiology
  • Internal Medicine
  • Pathophysiology

Background:

  • Left ventricular hypertrophy (LVH) is traditionally linked to hemodynamic factors.
  • LVH is an independent risk factor for adverse cardiovascular outcomes.
  • Its presence in various conditions, including obesity and aging, underscores its prognostic importance.

Purpose of the Study:

  • To investigate the long-term impact of LVH on mortality in myocardial infarction survivors.
  • To assess LVH as an independent prognostic indicator in post-myocardial infarction patients.

Main Methods:

  • Analysis of patients surviving myocardial infarction from the SPRINT database.
  • Evaluation of long-term mortality (mean 5.5 years) in relation to electrocardiogram-detected LVH (ECG-LVH).

Main Results:

  • Patients with ECG-LVH were older and had more in-hospital complications.
  • The 1- and 5-year mortality rates were doubled in patients with ECG-LVH compared to those without.
  • LVH is associated with significant increases in risk for patients with hypertensive or coronary artery disease.

Conclusions:

  • LVH is a significant independent predictor of long-term mortality post-myocardial infarction.
  • Mechanisms include cardiac fibrosis, impaired function, and abnormal electrophysiology.
  • Regression of LVH through treatment may improve prognosis, requiring further investigation.

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