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critical flicker frequency for diagnosis and assessment of recovery from minimal hepatic encephalopathy in patients with cirrhosis

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Hepatobiliary & Pancreatic Diseases International 2010年第1期9卷 27-32页

作者： Praveen Sharma Barjesh Chander Sharma Shiv Kumar Sarin Department of Gastroenterology G.B.Pant Hospital

BACKGROUND:Minimal hepatic encephalopathy (MHE) impairs quality of life and predicts overt hepatic encephalopathy (HE) in cirrhotic *** of MHE requires cumbersome *** is effective in the treatment of *** study aimed to evaluate the use of critical flicker frequency (CFF) for the diagnosis of MHE in cirrhotic patients after ***:One hundred and ten patients were evaluated by psychometry (number connection tests A,B or figure connection tests A,B),P300 auditory event related potential (P300ERP),venous ammonia,and CFF for *** was diagnosed by abnormal psychometry (>2SD age matched controls) and *** patients were treated with lactulose for one *** was defined by normalization (<2SD of matched controls) of both psychometry and ***:Of the 110 patients [Child Turcott Pugh score A:B:C 39:42:29,(age 41.6±11.6 years,M:F 82:28)],75 (68%) had abnormal results of psychometric tests,and 74 (67%) had prolonged *** (20%) patients with abnormal results of psychometric tests had normal *** sixty (54.5%) patients were diagnosed as having *** treatment for one month,34 (57%) recovered while 26 (43%) continued to have abnormal resents of psychometric or P300ERP *** was <39 Hz in 72 (65.4%) patients before treatment and in 20 (33.3%) after *** sensitivity,specificity,positive predictive value,negative predictive value,and diagnostic accuracy for the assessment of recovery of MHE were 65%,91%,85%,77% and 80%,***:CFF is a simple,relatively reliable,and accurate test without any dependence on age or literacy in the diagnosis and assessment of recovery of patients with MHE.

关键词： minimal hepatic encephalopathy critical flicker frequency lactulose

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Novel computerized psychometric tests as primary screening tools for the diagnosis of minimal hepatic encephalopathy

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World Journal of Clinical Cases 2020年第16期8卷 3377-3389页

作者： Ming Luo Rui Mu Jian-Fang Liu Fei-Hu Bai Department of Gastroenterology People’s Hospital of Ningxia Hui Autonomous RegionYinchuan 750021Ningxia Hui Autonomous RegionChina

Minimal hepatic encephalopathy(MHE)is a critical neurocognitive complication of decompensated liver cirrhosis and portosystemic shunting,which results in a wide range of cognitive deficits including impairments in working attention,psychomotor speed,and executive *** guidelines have recommended paper-and-pencil psychometric tests for the diagnosis of *** high-risk cirrhotic patients are required to be examined;however,paperand-pencil psychometric tests are neither convenient nor rapid to perform in the ***,novel computerized psychometric tests,including the inhibitory control test,EncephalApp Stroop App,and critical flicker frequency,have been proven to be rapid,effective,and convenient methods for screening MHE in clinical practice and for identifying high-risk cirrhotic patients for further validation using rigid neuropsychometric ***,diagnostic accuracy of these tests is influenced by educational background,age,and cultural *** review summarizes clinical evidence of the application of novel computerized psychometric tests for screening MHE.

关键词： Minimal hepatic encephalopathy Diagnosis Psychometric test Inhibitory control test EncephalApp Stroop App critical flicker frequency

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Clinical scenarios for the use of S100β as a marker of hepatic encephalopathy

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World Journal of Gastroenterology 2016年第17期22卷 4397-4402页

作者： Andrés Duarte-Rojo Astrid Ruiz-Margáin Ricardo U Macias-Rodriguez Francisco Javier Cubero José Estradas-Trujillo Rosa Ma Munoz-Fuentes Aldo Torre University of Arkansas for Medical Sciences Little Rock AR 72205 United States Department of Gastroenterology Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran Mexico City 14000 Mexico Department of Internal Medicine III University Hospital RWTH Aachen 52074 Aachen Germany Department of Immunology Complutense University School of Medicine 28040 Madrid Spain

AIM: To evaluate the association between serum concentrations of S100β in patients with cirrhosis and the presence of low grade hepatic encephalopathy (HE).METHODS: This was a cross-sectional study. The population was categorized into four groups healthy subjects, cirrhosis without HE, cirrhosis with covert hepatic encephalopathy (CHE) and cirrhosis with overt HE. Kruskal-Wallis, Mann Whitney’s U with Bonferroni adjustment Spearman correlations and area under the ROC were used as ***: A total of 61 subjects were included, 46 cirrhotic patients and 15 healthy volunteers. S100β values were different among all groups, and differences remained significant between groups 1 and 2 (P 0.13 ng/mL as the best cutoff value of S100β for the diagnosis of HE (sensitivity 83.3%, specificity 63.6%).CONCLUSION: Serum concentrations of S100β are higher in patients with cirrhosis than in healthy volunteers, and are further increased in the presence of hepatic encephalopathy. The results suggest that serum biomarkers such as S100β could help in the correct characterization of incipient stages of HE.

关键词： Hepatic encephalopathy S100β protein Astrocyte Psychometric hepatic encephalopathy score critical flicker frequency

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