A pilot study using lactulose in management of minimal hepatic encephalopathy in children with extrahepatic portal vein obstruction

Background Minimal hepatic encephalopathy (MHE) is not associated with overt neuropsychiatric symptoms but rather with subtle changes in psychometric and/or neurophysiologic tests. We aimed to diagnose MHE in children with extrahepatic portal vein obstruction (EHPVO) and to evaluate the effect of la...

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Bibliographic Details
Published in:World journal of pediatrics : WJP 2017-02, Vol.13 (1), p.70-75
Main Authors: El-Karaksy, Hanaa Mostafa, Afifi, Omneya, Bakry, Azza, Kader, Ann Abdel, Saber, Noha
Format: Article
Language:English
Subjects:
Critical Care Medicine
Imaging
Intensive
Maternal and Child Health
Medicine
Medicine & Public Health
Original Article
Pediatric Surgery
Pediatrics
Radiology
Surgery
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Summary:Background Minimal hepatic encephalopathy (MHE) is not associated with overt neuropsychiatric symptoms but rather with subtle changes in psychometric and/or neurophysiologic tests. We aimed to diagnose MHE in children with extrahepatic portal vein obstruction (EHPVO) and to evaluate the effect of lactulose on MHE. Methods A prospective study was carried out on 30 patients with EHPVO (21 males; mean age 10±2.5 years). The study was carried out in the Pediatric Hepatology Unit, Cairo University Pediatric Hospital, Cairo, Egypt, between 2011 and 2013. All patients were subjected to clinical and laboratory assessment, neuropsychmetric testing using the arabic version of Wechsler intelligence tests, neurophysiological testing by visual electroencephalogram and P300 event related potentials (ERP). Results The prevalence of MHE among children with EHPVO was 20% (6/30). After randomization to treatment and no-treatment groups using lactulose, all tests were repeated after three months. Among four patients with MHE who received lactulose, three (75%) improved. On the other hand, one of the patients in the no-treatment group developed MHE. Only one patient in the treatment arm had to discontinue lactulose because of severe diarrhea. Conclusions This pilot study revealed that the prevalence of MHE was 20%. Improvement on psychometic tests was seen in 75% of our patients (3/4) after treatment with lactulose. Lactulose treatment was well tolerated.
ISSN:1708-8569
1867-0687
DOI:10.1007/s12519-016-0066-2