Cardiovascular Dynamics in Liver Disease
Summary
Liver disease induces profound alterations in cardiovascular function, characterised by a hyperdynamic circulation, systemic vasodilation and latent myocardial impairment. Portal hypertension and splanchnic vasodilatation lead to increased cardiac output and reduced systemic vascular resistance, provoking compensatory sympathetic activation and neurohormonal changes. Chronic exposure to inflammatory mediators and cardiodepressant substances promotes diffuse myocardial fibrosis, altered membrane biophysical properties and electrophysiological disturbances such as QT-interval prolongation. These changes underpin a syndrome known as cirrhotic cardiomyopathy, which encompasses diastolic dysfunction, blunted systolic reserve under stress and subtle deformation abnormalities detectable only by advanced imaging. Such cardiovascular derangements have major clinical implications for symptom burden, perioperative risk during liver transplantation or TIPS insertion and long-term survival, underscoring the need for integrated hepatic and cardiac assessment and tailored therapeutic strategies.
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Cardiovascular Dynamics in Liver Disease publication trend
The graph below shows the total number of articles in cardiovascular dynamics in liver disease across all publications each year (not limited to Nature Index journals).
Technical terms
Cirrhotic cardiomyopathy: Cardiac dysfunction in cirrhosis marked by latent systolic and diastolic impairment unmasked by stress.
Speckle tracking echocardiography: Ultrasound-based technique tracking myocardial motion to assess deformation and strain.
Global longitudinal strain: Measure of myocardial fibre shortening along the long axis, expressed as a percentage.
Portal hypertension: Elevated pressure in the portal venous system secondary to liver cirrhosis.
Hyperdynamic circulation: Haemodynamic state with increased cardiac output and reduced systemic vascular resistance often seen in cirrhosis.
References
- Cirrhotic cardiomyopathy. Orphanet Journal of Rare Diseases (2007).
- Pathogenic Mechanisms Underlying Cirrhotic Cardiomyopathy. Frontiers in Network Physiology (2022).
- Speckle Tracking Analysis Reveals Altered Left Atrial and Ventricular Myocardial Deformation in Patients with End-Stage Liver Disease. Journal of Clinical Medicine (2021).
- Global Longitudinal Strain at Rest as an Independent Predictor of Mortality in Liver Transplant Candidates: A Retrospective Clinical Study. Journal of Clinical Medicine (2020).
- Assessment of cardiovascular physiology using dobutamine stress cardiovascular magnetic resonance reveals impaired contractile reserve in patients with cirrhotic cardiomyopathy. Journal of Cardiovascular Magnetic Resonance (2015).
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