期刊
HEPATOLOGY RESEARCH
卷 47, 期 12, 页码 1335-1339出版社
WILEY
DOI: 10.1111/hepr.12864
关键词
cognition; covert hepatic encephalopathy; liver cirrhosis; neuropsychiatric test
资金
- Grants-in-Aid for Scientific Research [15K19346] Funding Source: KAKEN
AimCovert hepatic encephalopathy is frequently seen in cirrhotic patients. This condition can be diagnosed by a computerized neuropsychological test system (NPT); however, NPT has not been updated for approximately two decades in Japan. The aim of this study is to update the NPT to be more suitable for both the elderly and modern society by resetting of cut-off values. MethodsWe enrolled 367 healthy subjects aged between 40 and 79years old between 2003 and 2010. The NPT consists of the following eight tests: number connection tests (NCT)-A and -B, a figure position test, a digit symbol test, a block design test, and reaction time tests (RTT)-A, -B, and -C. All subjects were classified into eight groups (5-year quartile ranges from 40 to 79years old), and the cut-off value for each test was compared to the former cut-off value (NPT version 1). ResultsIn all eight tests, most of the cut-off values were different from those in NPT version 1. The difference was minimal in RTT-A, RTT-B, and RTT-C. However, the difference was evident in the NCT-A, NCT-B, digit symbol test, and block design test. In particular, a 57.8-s decrease in the cut-off value was seen in the 65-69-year-old group for the NCT-B test (71.3s vs. 129.1s). ConclusionsWe updated the NPT by covering subjects aged 40-79years and resetting the cut-off values. Thus, the updated NPT is an elderly and modern subject-compliant application. This update may improve the diagnostic ability of covert hepatic encephalopathy in contemporary cirrhotic patients.
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