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Sleep apnea hypopnea syndrome and liver injury

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Author:
No author available
Journal Title:
CHINESE MEDICAL JOURNAL
Issue:
1
DOI:
10.3760/cma.j.issn.0366-6999.2010.01.016
Key Word:
sleep apnea hypopnea syndrome;intermittent hypoxia;nonalcoholic fatty liver disease;insulin resistance;oxidative stress

Abstract: Objective A general review was made of studies involving: (1) the relationship between sleep apnea hypopneasyndrome/sleep apnea style intermittent hypoxia and liver injury and (2) the mechanism that causes the liver injury.Data sources The data used in this review were mainly from Medline and PubMed published in English from 1993 toFebruary 2009. The search term was "sleep apnea hypopnea syndrome".Study selection (1) Clinical and laboratory evidence that sleep apnea hypopnea syndrome and sleep apnea styleintermittent hypoxia leads to liver injury; (2) the mechanism that causes the liver injury.Results The effect of sleep apnea hypopnea syndrome and sleep apnea style intermittent hypoxia on the liver functionis characterized by serum aminotransferase elevation. The liver histological injury includes hepatic steatosis, hepatocyteballooning, lobular inflammation, lobular necrosis, and liver fibrosis. Sleep apnea hypopnea syndrome and sleep apneastyle intermittent hypoxia can cause insulin resistance and oxidative stress.Conclusions Sleep apnea hypopnea syndrome and sleep apnea style intermittent hypoxia can lead to chronic liverinjury, which, in most cases, is shown as nonalcoholic fatty liver disease. Insulin resistance and oxidative stress causedby sleep apnea hypopnea syndrome and sleep apnea style intermittent hypoxia play an important role in the mechanismof chronic liver disease development.

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