PMID: 26885103Feb 18, 2016Paper

Changes in sleep architecture and quality in minimal hepatic encephalopathy patients and relationship to psychological dysfunction

International Journal of Clinical and Experimental Medicine
Changyun LiuXiaohong Zeng

Abstract

We examined changes in sleep quality and architecture in patients with minimal hepatic encephalopathy (MHE) and the impacts of sleep disruption on patient physical and psychological health. Ninety-eight MHE patients were examined by polysomnography (PSG) and the Pittsburg sleep quality inventory (PSQI). In addition, patients completed the SAS, SDS, and SCL-90 to examine the relationship between sleep quality and psychological health. Mean relative durations of Stage 1 and Stage 2, sleep latency, microarousal frequency, and total sleep time (TST) were all lower in MHE patients compared to healthy controls (P<0.05 for all). Similarly, SWS and REM stage durations, REM latency, sleep maintenance rate, and sleep efficiency were lower than controls (P<0.01 for all). Mean PSQI scores were lower in MHE patients. Total SAS, SDS, and SCL-90 scores, as well as all SCL-90 subscores, were significantly higher in the MHE group (P<0.05), indicating significant psychological dysfunction. Longer SWS, longer REM, and lower microarousal frequency were associated with improved sleep quality (P<0.05), while shorter SWS and REM led to dyssomnia and daytime functional disturbance (P<0.05, P<0.01). Longer REM latency and higher microarousal frequency ...Continue Reading

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