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Invasive Hemodynamic Characterization of the Portal-hypertensive Syndrome in Cirrhotic Rats
09:37

Invasive Hemodynamic Characterization of the Portal-hypertensive Syndrome in Cirrhotic Rats

Published on: August 1, 2018

Cardiac dysfunction in cirrhosis

Duran Kaya1, M Cem Koçkar, Nüket Bavbek

  • 1Department of Internal Medicine, Faculty of Medicine, Ankara University, Ankara, Turkey

Hepatology Research : the Official Journal of the Japan Society of Hepatology
|July 10, 2003
PubMed

Insights

Cirrhosis patients exhibit reduced exercise capacity and an impaired cardiovascular response to physical activity, even without cardiac dysfunction. This finding highlights potential challenges in managing cardiovascular stress for individuals with liver disease.

Area of Science:

  • Cardiology
  • Hepatology
  • Exercise Physiology

Background:

  • Cirrhosis is linked to cardiovascular changes, including hyperdynamic circulation and beta-adrenergic system activation.
  • Worsening liver function in cirrhosis can manifest as cardiac symptoms and physical signs.

Purpose of the Study:

  • To investigate the cardiovascular response to exercise in patients with cirrhosis.
  • To assess exercise capacity and hemodynamic adjustments in cirrhotic individuals.

Main Methods:

  • Included 20 patients with cirrhosis (Hepatitis B or C) and 10 healthy controls.
  • Measured plasma noradrenaline and adrenaline, blood pressure (supine/standing), and utilized exercise echocardiography and radionuclide ventriculography.

Main Results:

  • Cirrhotic patients demonstrated lower exercise capacity compared to controls.
  • An impaired cardiovascular response to exercise was observed, characterized by a lower-than-expected peak heart rate.
  • These findings were present despite the absence of overt cardiac dysfunction.

Conclusions:

  • Patients with cirrhosis have an impaired cardiovascular response to exercise, impacting their ability to tolerate cardiovascular stress.
  • The study underscores the clinical significance of these exercise-induced cardiovascular alterations in cirrhosis management.

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