Histological findings and NAFLD/NASH Status in liver biopsies of patients subjected to bariatric surgery.

Objective: To investigate nonalcoholic fatty liver disease (NAFLD), nonalcoholic steatohepatitis (NASH) and hepatic fibrosis in biopsies of people with obesity who underwent bariatric surgery and examine the possible association of different variables with a diagnosis of NAFLD and NASH.

Materials And Methods: Epidemiological, clinical and laboratory data from 574 individuals with obesity of both genders seen by the same physician between 2003 and 2009 who had a liver biopsy during bariatric surgery were examined.

Results: Of the 437 patients included, 39.