The first meta-analysis to analyse objective oesophageal function data comparing pre- and post- laparoscopic vertical sleeve gastrectomy (LVSG), has conclusively demonstrated the detrimental effect of LVSG on lower esophageal sphincter pressure (LESP) and DeMeester Score (DMS) post-surgery despite significant loss of BMI, researchers from the University of Southern Queensland, Toowoomba, Queensland, Australia. Research has shown that LVSG leads to anatomical changes at the es