This study randomizes patients to two commonly used peri-procedural antibiotics after gastric
bypass with the pre and post-operative collection of stool samples, to identify significant
differences in relative abundances of gut microbiota phyla, genera and species between the
two antibiotic groups used. Gastric bypass may beneficially affect hypertension by altering
the post-operative microbiome and specific antibiotics can further enhance the resolution
rate by improving microbial diversity and richness.