ACCURACY OF ELASTOGRAPHY IN THE ASSESSMENT OF REDUCTION IN LIVER STEATOSIS AND FIBROSIS IN THE EARLY POSTOPERATIVE PERIOD AFTER BARIATRIC SURGERY.

Background: Nonalcoholic hepatic steatosis is found in most obese patients and has a strong association with metabolic syndrome. The Roux-en-Y gastric bypass and the sleeve gastrectomy are the two techniques of bariatric surgery. Patients who underwent bariatric surgery have regression of nonalcoholic steatohepatitis due to a reduction in body mass index and changes in incretin hormones.