Background: Obesity is a risk factor for the incidence of various diseases, such as non-alcoholic fatty liver disease. The objective of this study was to analyze the repercussions of BS on weight
loss and on the hepatic profile of super-obese individuals at two different moments: preoperative and 6 months after BS. The study is characterized by a longitudinal study design with patients submitted to BS.
Methods: The sample consisted of 120 patients, 60% female, and 40% male, with a mean age of 41 years (+ 11.30), in which the weight and serum levels of alanine aminotransferase ( ALT) and aspartate aminotransferase (AST). Statistical analysis was performed by software R, using the Tukey test at 5% significance.