Increased Gut Diversity Seen After Roux-en-YLast Updated: May 30, 2017. Roux-en-Y gastric bypass surgery triggers major changes in the microbial population of the digestive tract, according to a report published online May 26 in the ISME Journal.
TUESDAY, May 30, 2017 (HealthDay News) -- Roux-en-Y gastric bypass surgery triggers major changes in the microbial population of the digestive tract, according to a report published online May 26 in the ISME Journal.
Specifically, the procedure leads to increased diversity of bacteria in the gut, and a microbial population distinct from obese and normal-weight people, the researchers found.
"One of the key findings of the paper confirms what we had already observed in earlier research," said study coauthor Rosa Krajmalnik-Brown, Ph.D., of the Arizona State University in Tempe. Compared to gastric banding, Roux-en-Y gastric bypass "had a huge effect on the microbial community structure," she said in a university news release.
Study coauthor John DiBaise, M.D., of the Mayo Clinic in Scottsdale, Ariz., explained in the news release that "these new data on microbial community structure and function significantly expand our knowledge on how the microbiome is associated with weight loss following bariatric surgery."
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