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  • Title: [Diagnosis of subclinical hepatic encephalopathy: a parallel and comparative study between the evoked potentials and the performance psychometric tests].
    Author: Zhu Q, Yang YL, Wang MJ.
    Journal: Zhonghua Nei Ke Za Zhi; 1993 Oct; 32(10):676-8. PubMed ID: 8156838.
    Abstract:
    The authors report the results of a parallel study between the three kinds of evoked potentials (EP) i.e. visual, brainstem auditory and somatosensory evoked potentials (VEP, BAEP and SEP) and psychometric tests in 30 posthepatitic cirrhotic patients. The results were compared with those from 20 peptic ulcer patients in healing stage. Psychometric tests were abnormal in 65.5% of the cirrhotic and in none of the peptic ulcer patients. The three kinds of evoked potentials were abnormal in 58.6% of the cirrhotic patients and in 5% of the peptic ulcer patients. The VEP, BAEP and SEP was abnormal in 13.3%, 10% and 50% of the cirrhotics respectively. The results of this study showed: of the three kinds of evoked potentials, SEP is the most sensitive one. The evoked potentials and the performance psychometric tests are complementary in the diagnosis of subclinical hepatic encephalopathy.
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