Efficacy of Lactulose in Cirrhotic Patients with Subclinical Hepatic Encephalopathy |
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Authors: | Radha K. Dhiman Inder Mohan S. Sawhney Yogesh K. Chawla Gautam Das Sita Ram Jang B. Dilawari |
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Affiliation: | (1) Departments of Hepatology and Neurology, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India |
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Abstract: | To investigate the role of lactulose in the treatment of cirrhotic patients with subclinical hepatic encephalopathy (SHE), 40 cirrhotic patients, 33 males and 7 females, were included in the study. The diagnosis of SHE was made by quantitative psychometric tests including the number connection test (NCT), figure connection test (FCT) parts A and B, and two performance subtests of Wechsler adult intelligence scale, ie, picture completion (PC) and block design (BD) tests. SHE was diagnosed in 26 (65%) of 40 patients. Of these 26 patients, 14 patients were randomized to treatment group (lactulose 30–60 ml/day for three months, SHE-L) and 12 patients to no treatment group (no lactulose, SHE-NL). Psychometric tests were repeated in all patients in both groups and in six patients with no SHE (group NSHE, N = 14) after three months. The mean scores and number of the abnormal psychometric tests at entry were significantly higher in patients in groups SHE-L and SHE-NL than in patients in group NSHE; however, there was no significant difference between SHE-L and SHE-NL. The mean number of the abnormal psychometric tests decreased in patients in group SHE-L after three months of treatment with lactulose (2.9 ± 0.9 vs 0.8 ± 1.2; P = 0.004); however, there was no change in patients in group SHE-NL after three months (3.7 ± 1.5 vs 3.5 ± 1.3; P = NS). While SHE improved in 8 of 10 patients in group SHE-L, none of the patients in group SHE-NL improved after three months of follow-up (P < 0.001). Two patients in group SHE-NL also developed overt encephalopathy during the study period. We conclude that lactulose treatment in cirrhotic patients with SHE is effective. |
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Keywords: | lactulose cirrhosis encephalopathy subclinical hepatic encephalopathy |
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