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Cirrhotic cardiomyopathy: review of pathophysiology and treatment

Maneerat Chayanupatkul1, Suthat Liangpunsakul2

  • 1Department of Medicine, Einstein Medical Center, Philadelphia, PA, USA.

Hepatology International
|September 16, 2014
PubMed

Insights

Cirrhotic cardiomyopathy affects patients with liver cirrhosis, causing heart dysfunction and prolonged QT intervals. Understanding its mechanisms is key to preventing heart failure and improving patient outcomes.

Area of Science:

  • Cardiology
  • Hepatology
  • Internal Medicine

Background:

  • Cirrhotic cardiomyopathy (CC) is a common complication in patients with liver cirrhosis.
  • It presents with impaired systolic function, diastolic dysfunction, and electrophysiological abnormalities, notably QT interval prolongation.

Purpose of the Study:

  • To review the pathophysiology and clinical significance of cirrhotic cardiomyopathy.
  • To highlight the importance of recognizing CC for improved patient management and procedural safety.

Main Methods:

  • Literature review of studies on cirrhotic cardiomyopathy.
  • Analysis of proposed mechanisms for cardiac dysfunction in cirrhosis.

Main Results:

  • Systolic dysfunction mechanisms include impaired beta-adrenergic response, increased cannabinoids, nitric oxide, and inflammatory cytokines.
  • Diastolic dysfunction is linked to cardiac renin-angiotensin system activation and salt retention.
  • QT interval prolongation affects 40-50% of patients due to membrane fluidity and ion channel defects.

Conclusions:

  • Increased recognition of CC is vital to prevent heart failure post-procedures like TIPS and liver transplantation.
  • Further understanding of CC pathogenesis and pathology is essential for developing diagnostic tools and targeted therapies.

Keywords:
Cardiac dysfunctionCirrhotic cardiomyopathyPathophysiology

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