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Time-course of diastolic dysfunction in different stages of chronic HCV related liver diseases

M Pozzi1, E Redaelli, L Ratti

  • 1Department of Medicine, Milano-Bicocca University Milan, Italy. epa.monza@libero.it

Minerva Gastroenterologica E Dietologica
|July 2, 2005
PubMed

Insights

Hepatitis C virus (HCV) infection can cause heart abnormalities, including left ventricular wall thickening, even before cirrhosis develops. This early cardiac remodeling may worsen with advanced liver disease and portal hypertension.

Area of Science:

  • Cardiology
  • Hepatology
  • Internal Medicine

Background:

  • Advanced liver disease is associated with a hyperdynamic circulatory pattern.
  • Cardiac dysfunction, including diastolic impairment, is observed in cirrhosis, historically attributed to ethanol toxicity.
  • Early-stage cardiac changes in liver disease, particularly hepatitis C virus (HCV)-related, are less understood.

Purpose of the Study:

  • To investigate the progression of diastolic dysfunction in different stages of HCV-related liver disease.
  • To identify early cardiac structural changes in precirrhotic hepatitis C.
  • To explore the role of HCV in cardiac abnormalities.

Main Methods:

  • Echocardiography was used to assess left ventricular diastolic function and wall thickness.
  • Patients with varying stages of HCV infection were studied.
  • Liver biopsies were used to stage fibrosis.

Main Results:

  • Diastolic function remains preserved in chronic hepatitis, but left ventricular wall thickening is evident in patients with fibrosis.
  • Diastolic dysfunction patterns emerge in Child A and Child C cirrhotic patients, with greater wall thickness in Child A.
  • Chronic aldosterone blockade shows potential benefits for cardiac remodeling in cirrhosis.

Conclusions:

  • Increased left ventricular wall thickness in precirrhotic hepatitis C suggests a role for HCV in cardiac structural changes.
  • These early cardiac abnormalities may act as co-factors in advanced cirrhosis.
  • HCV-related cardiac remodeling can exacerbate the effects of portal hypertension on cardiovascular health.
Abstract

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