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[Polygraphic study of left ventricular function in severe hepatitis cirrhosis].
Giornale Italiano Di Cardiologia
|July 1, 1984
Summary
Systolic time intervals reveal unchanged cardiac performance in severe liver cirrhosis patients. Despite shortened ejection times due to low resistance, myocardial contractility remains preserved, indicating a stable heart function.
Area of Science:
- Cardiology
- Hepatology
- Internal Medicine
Context:
- Severe liver cirrhosis impacts multiple organ systems, including the cardiovascular system.
- Hepatic cirrhosis is associated with a hyperdynamic circulatory state.
- Understanding cardiac function in cirrhosis is crucial for patient management.
Purpose:
- To assess cardiac performance in patients with severe liver cirrhosis using systolic time intervals.
- To investigate the relationship between liver cirrhosis severity and myocardial contractility.
- To evaluate the impact of altered systemic vascular resistance on cardiac function.
Summary:
- Systolic time intervals were measured in 26 patients with severe liver cirrhosis (15 alcoholic, 11 post-necrotic).
- Left ventricular ejection time was shortened (low systemic vascular resistance), but pre-ejection period was unchanged (preserved myocardial contractility).
- Isometric contraction time was also shortened, indicating a good myocardial response to increased preload in the hyperdynamic state.
Impact:
- Cardiac performance, as evaluated by systolic time intervals, appears unchanged in severe hepatic cirrhosis.
- Findings suggest preserved myocardial contractility despite circulatory alterations in cirrhosis.
- This study provides insights into the cardiovascular adaptations in liver cirrhosis.