Hepatopulmonary syndrome in children with cirrhotic and non-cirrhotic portal hypertension: a single-center experience.

Background: Hepatopulmonary syndrome (HPS) is defined as an arterial oxygenation defect induced by intrapulmonary vascular dilatation (IPVD) associated with hepatic disease. The prevalence and clinical characteristics of HPS in portal hypertensive children is not well characterized.

Aims: The aim of this study was to investigate the prevalence and clinical characteristics of HPS in 40 portal hypertensive children.