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Updated: Jul 29, 2026
09:37
Invasive Hemodynamic Characterization of the Portal-hypertensive Syndrome in Cirrhotic Rats
Published on: August 1, 2018
[Hepatopulmonary syndrome: relationship with liver dysfunction and systemic hemodynamic disorder]
José Luis Alonso Martínez1, José Manuel Zozaya Urmeneta, José Luis García Sanchotena
1Servicio de Medicina Interna, Hospital de Navarra, Pamplona, Navarra, Spain. jalonsom@cfnavarra.es
Medicina Clinica
|December 3, 2004
Summary
Hepatopulmonary syndrome (HPS) in liver cirrhosis involves systemic vasodilation, leading to hypoxemia and altered hemodynamics. This condition correlates with liver dysfunction severity and increased nitric oxide production.
Area of Science:
- Cardiology
- Pulmonology
- Hepatology
Context:
- Hepatopulmonary syndrome (HPS) is characterized by impaired gas exchange in liver cirrhosis due to pulmonary vasodilation.
- Systemic vasodilation is a known complication of liver cirrhosis, affecting various vascular beds.
Purpose:
- To investigate the hemodynamic status, renal function, and humoral systems in cirrhotic patients with HPS.
- To correlate HPS severity with liver dysfunction and systemic vasodilation.
Summary:
- 32 cirrhotic patients were divided into groups with normal gaseous exchange (NGE) and HPS.
- HPS patients exhibited advanced Child-Pugh scores, hypoxemia, hypocapnia, and a hyperkinetic circulatory state.
- These patients also showed impaired renal function, increased plasma volume, activated renin-angiotensin-aldosterone system, and elevated nitrite/nitrate excretion.
Impact:
- Pulmonary vasodilation in HPS is integral to the systemic vasodilation of liver cirrhosis.
- HPS severity is linked to the degree of liver dysfunction.
- Increased nitric oxide production contributes to arterial underfilling and plasma volume expansion in HPS.
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