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Copyright ©2014 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 14, 2014; 20(10): 2586-2594
Published online Mar 14, 2014. doi: 10.3748/wjg.v20.i10.2586
Table 1 Grading of the severity of hepatopulmonary syndrome[58]
StagePA-aO2 mmHgPaO2 mmHg
Mild≥ 15≥ 80
Moderate≥ 15< 80 - ≥ 60
Severe≥ 15< 60 - ≥ 50
Very severe≥ 15< 50 (< 300 on 100% O2)
PA-aO2: Alveolar-arterial oxygen tension difference; PaO2: Arterial oxygen tension.