Effect of probiotics and synbiotics consumption on serum concentrations of liver function test enzymes: a systematic review and meta-analysis - PubMed (original) (raw)

Meta-Analysis

. 2018 Sep;57(6):2037-2053.

doi: 10.1007/s00394-017-1568-y. Epub 2017 Nov 8.

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Meta-Analysis

Effect of probiotics and synbiotics consumption on serum concentrations of liver function test enzymes: a systematic review and meta-analysis

Saman Khalesi et al. Eur J Nutr. 2018 Sep.

Abstract

Purpose: The gut-liver interaction suggests that modification of gut bacterial flora using probiotics and synbiotics may improve liver function. This systematic review and meta-analysis aimed to clarify the effect of probiotics and synbiotics consumption on the serum concentration of liver function enzymes.

Methods: PubMed (MEDLINE), Cumulative Index to Nursing and Allied Health Literature, and Cochrane Library (Central) were searched from 1980 to August 2017 for studies where adults consumed probiotics and/or synbiotics in controlled trials and changes in liver function enzymes were examined.

Results: A total of 17 studies (19 trials) were included in the meta-analysis. Random effects meta-analyses were applied. Probiotics and synbiotics significantly reduced serum alanine aminotransferase [- 8.05 IU/L, 95% confidence interval (CI) - 13.07 to - 3.04; p = 0.002]; aspartate aminotransferase (- 7.79 IU/L, 95% CI: - 13.93 to - 1.65; p = 0.02) and gamma-glutamyl transpeptidase (- 8.40 IU/L, 95% CI - 12.61 to - 4.20; p < 0.001). Changes in the serum concentration of alkaline phosphatase and albumin did not reach a statistically significant level. Changes to bilirubin levels were in favour of the control group (0.95 μmol/L, 95% CI 0.48-1.42; p < 0.001). Subgroup analysis suggested the existence of liver disease at baseline, synbiotics supplementation and duration of supplementation ≥ 8 weeks resulted in more pronounced improvement in liver function enzymes than their counterparts.

Conclusions: Probiotics and synbiotics may be suggested as supplements to improve serum concentration of liver enzymes, especially when synbiotics administered for a period ≥ 8 weeks and in individuals with liver disease.

Keywords: Liver enzyme; Liver function; Probiotics; Synbiotics; Systematic review.

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