Abstract
The aim of this study was to investigate the arterial hypoxemia in Japanese patients with alcoholic liver disease (ALD) with regard to alcohol consumption and/or disease severity. Hypoxemia was observed in 78% patients with ALD and in all 46 patients with alcoholic liver cirrhosis (ALC) and 33 (56%) of 59 patients with noncirrhotic alcoholic liver disease (NCALD) (P < 0.0001). The partial pressure of oxygen (PaO2) was 71.1 +/- 5.2 mm Hg in ALC and 78.7 +/- 6.3 mm Hg in NCALD (P < 0.0001). The oxygen consumption in ALD was significantly higher than that in control subjects (P < 0.0001), and a high oxygen consumption was seen in 88% of the patients with ALD, in all 46 ALC patients, and in 46 (78%) of 59 NCALD patients (P < 0.01). Following abstinence from alcohol, the PaO2 and oxygen consumption significantly recovered after day 2 (P < 0.0001), whereas the prothrombin index did not change in either NCALD or ALC patients. Multivariate analysis showed that alcohol consumption and oxygen consumption were significant independent predictors of PaO2. In conclusion, the present findings suggest that increased oxygen consumption due to alcohol ingestion is principally responsible for the hypoxemia in ALD patients.
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