Enalapril therapy and cardiac remodelling in sickle cell disease patients

Carmen S P Lima1, Osvaldo M Ueti, Adriana A Ueti

  • 1Haematology and Haemotherapy Centre, State University of Campinas, Campinas, São Paulo, Brazil. carmenl@fcm.unicamp.br

Acta Cardiologica
|November 19, 2008
PubMed

Insights

Angiotensin-converting enzyme inhibitors (ACEi) prevent cardiac remodeling in sickle cell disease (SCD) patients. Enalapril treatment halted increases in left ventricular mass and wall thickness observed in untreated SCD individuals.

Area of Science:

  • Cardiology
  • Hematology
  • Pharmacology

Background:

  • Angiotensin-converting enzyme inhibitors (ACEi) are established treatments for cardiac dysfunction post-myocardial infarction.
  • Cardiac complications are a concern in sickle cell disease (SCD).

Purpose of the Study:

  • To investigate the cardiac effects of ACEi in patients with SCD.
  • To assess enalapril's impact on cardiac structure in SCD patients.

Main Methods:

  • Enalapril was administered to 9 SCD patients with microalbuminuria.
  • A control group of 9 SCD patients without microalbuminuria was followed for 36 months.
  • Echocardiograms were performed at baseline and after 36 months.

Main Results:

  • Untreated SCD patients showed increased left ventricular mass, wall thickness, and aortic root diameter.
  • Enalapril-treated SCD patients did not exhibit these cardiac remodeling changes.
  • No significant changes in left ventricular dimensions or ejection fraction were observed in either group.

Conclusions:

  • Enalapril appears to prevent cardiac remodeling in SCD patients.
  • Further large-scale trials are needed to confirm enalapril's efficacy in SCD.
Abstract

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