Saudi Journal of Gastroenterology
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ORIGINAL ARTICLE
Year : 2020  |  Volume : 26  |  Issue : 3  |  Page : 120-128

EncephalApp Stroop App predicts poor sleep quality in patients with minimal hepatic encephalopathy due to hepatitis B-induced liver cirrhosis


Department of Gastroenterology, Ningxia People's Hospital, 301 Zhengyuan North Street, Jinfeng District, Yinchuan, Ningxia, PR China

Correspondence Address:
Dr. Fei-Hu Bai
Department of Gastroenterology, Ningxia Peoplefs Hospital, 301 Zhengyuan North Street, Jinfeng District, Yinchuan, Ningxia 750021
PR China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/sjg.SJG_558_19

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Background/Aim: A novel computerised Stroop test- EncephalApp Stroop App (EncephalApp) has good diagnostic validity for minimal hepatic encephalopathy (MHE) in cirrhotic patients. The Stroop test is correlated with sleep disturbances which are common, and severely affects health-related quality of life in cirrhotic patients with MHE. We evaluated the relationship between sleep quality and EncephalApp results in patients with MHE due to hepatitis B-induced liver cirrhosis. Patients and Methods: We enrolled 180 adult patients with hepatitis B-induced cirrhosis. All patients were tested using the psychometric hepatic encephalopathy score (PHES) and EncephalApp. We analysed the diagnostic validity of EncephalApp for MHE using PHES as the gold standard for reference. The sleep quality of included patients was evaluated using the Pittsburgh Sleep Quality Index (PSQI). The predictive factors for poor sleep quality were analysed using backwards conditional stepwise logistic regression analysis. Results: Ninety-eight patients (54.4%) were diagnosed with MHE by PHES. Receiver operating characteristic (ROC) curve analysis showed that the threshold value of EncephalApp for MHE diagnosis was 225.60 s. EncephalApp showed 85.2% sensitivity and 77.3% specificity for diagnosing MHE; the area under the ROC curve was 0.864. PSQI scores of cirrhotic patients with MHE were significantly lower than those without MHE (P < 0.05). Child Turcotte Pugh grades (Odds ratio [OR] = 2.11 [1.55–2.85], P < 0.01) and the total Off-time plus On-time of EncephalApp (OR = 4.14 [1.95–6.29], P < 0.01) were independent predictors of poor sleep quality in MHE patients. Conclusions: The total Off-time plus On-time of EncephalApp predicts poor sleep quality in patients with MHE due to hepatitis B-induced cirrhosis.


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