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      • Different Intestinal Microbiota Profile in Alcoholic Pancreatitis as Compared to Alcoholic Hepatitis

        ( Dragos Ciocan ),( Vinciane Rebours ),( Anne-marie Cassard ),( Laura Wrzosek ),( Cosmin Sebastian Voican ),( Virginie Puchois ),( Philippe Levy ),( Gabriel Perlemuter ) 대한간학회 2017 춘·추계 학술대회 (KASL) Vol.2017 No.1

        Aims: Chronic excessive alcohol consumption may cause alcoholic liver disease (ALD) or alcoholic pancreatitis (AP) in only a subset of patients. We have shown that individual susceptibility to ALD is substantially driven by intestinal microbiota (IM). However, factors related to tissue predilection (liver or pancreas) to alcohol toxicity are unknown. We aimed to characterize the IM profile in alcoholic patients according to the presence and the nature of the complication ie severe alcoholic hepatitis (sAH) or AP. Methods: Eighty-two alcoholic patients were included into 3 groups according to their complications: AP (N=24), sAH (N=13) and no complication despite a similar amount of alcohol consumption (alcoholic controls, N=45). IM was analyzed using high-throughput sequencing of the 16S Ribosomal RNA (16S RNA) gene. Results: Patients with AP had a reduced bacterial diversity (p=0.001) and a different global microbial composition as compared to alcoholic controls (p=0.001). 17 taxa at the genus level were different between the 2 groups; among them, 8 were increased in AP (Klebsiella, Enterococcus, Aquabacterium and Sphingomonas). When compared to sAH there was no difference in bacterial diversity between the 2 groups. However, 16 taxa were increased in sAH and 10 in AP. After adjusting for confounding factors (age, sex, BMI, alcohol intake, diabetes and proton-pump inhibitors) there was a marked increase in Haemophilus in sAH patients. Conclusions: Patients with AP have a specific dysbiosis as compared to alcoholic controls. Specific microbiome signatures are associated with AP and sAH.

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