Review
Copyright ©The Author(s) 2018.
World J Gastroenterol. Mar 28, 2018; 24(12): 1285-1298
Published online Mar 28, 2018. doi: 10.3748/wjg.v24.i12.1285
Table 1 Hepatopulmonary syndrome-diagnostic criteria
Presence of liver disease and/or portal hypertension AND
Partial pressure of oxygen < 80 mmHg or alveolar–arterial oxygen gradient [P(A-a)O2 gradient] ≥ 15 mmHg (or > 20 mmHg for patients > 65-years-old) while breathing ambient air AND
Documented intrapulmonary vascular dilatation by contrast-enhanced echocardiography or lung perfusion scanning with radioactive albumin