Probiotics for patients with compensated liver cirrhosis: A double-blind placebo-controlled study |
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Authors: | David Pereg Andy Kotliroff Natan Gadoth Ruth Hadary Michael Lishner Yona Kitay-Cohen |
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Affiliation: | a Department of Internal Medicine A, Meir Medical Center, Kfar-Saba, Israel b Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel c Hepatology Unit, Meir Medical Center, Kfar-Saba, Israel d Department of Neurology, Mayanei Hayeshuah Medical Center, Bnei Barak, Israel |
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Abstract: | BackgroundGut flora is related to the major complications of liver cirrhosis including hepatic encephalopathy, spontaneous bacterial peritonitis, and variceal bleeding. Prior studies have reported a beneficial effect of gut flora modification with probiotic bacteria in patients with minimal hepatic encephalopathy. We aimed to study the effect of probiotics on clinical and laboratory parameters of patients with compensated cirrhosis.MethodsA double-blind placebo-controlled study that included patients with liver cirrhosis and at least one major complication of cirrhosis in the past, clinical evidence of portal hypertension, or decreased hepatic synthetic function. Participants were randomly assigned to receive probiotic capsules containing Lactobacillus acidophilus, Lactobacillus bulgaricus, Bifidobacterium lactis, and Streptococcus thermophiles or placebo for a period of 6 mo.ResultsA total of 36 patients were available for final analysis (distributed equally between the probiotic and placebo groups). The administration of probiotics was not associated with significant differences in either clinical or laboratory parameters between the two groups. Because the lack of a beneficial effect may be related to the compensated liver disease of patients, we conducted a subanalysis of patients with baseline ammonia levels >50 mmol/L. In this subgroup, the administration of probiotics appeared to significantly reduce the ammonia levels starting after 1 mo of treatment. However, this effect diminished and lost its significance following comparison to the placebo group.ConclusionsOur study did not show a significant beneficial effect of probiotic supplementation in patients with compensated liver cirrhosis. Nevertheless, it points toward a possible positive effect of probiotics in patients with above normal baseline ammonia levels. This issue requires further investigation in larger cohorts. |
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Keywords: | Gut flora Cirrhosis Ammonia Hepatic encephalopathy |
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