Obesity and Bariatric Surgery According to a Biopsychosocial Perspective.

* The main goal of this prospective longitudinal observational study is to investigate the psychophysiological indicators by analyzing HRV, blood pressure, symptoms of anxiety and depression, eating behavior and quality of life during the follow-up of the general health status of patients with obesity undergoing the bariatric surgery by Roux-en-Y reconstruction reduction gastroplasty (GRYR) technique. * The main question it aims to answer is: Does bariatric surgery changes the variables studied (HRV, anxiety, depression, eating behavior, quality of life)? * Type of study: prospective longitudinal observational study * Participant population: 50 patients, both females and males, aged between 18 and 60 years, will be submitted to bariatric surgery with Roux-en-Y reconstruction reduction gastroplasty technique. Patients will be evaluated for five times: before the bariatric surgery and 3-6-12-24 months after the bariatric surgery.

NCT Number	NCT05950698
Lead Sponsor	Rio de Janeiro State University Collaborators: Rio de Janeiro State Research Supporting Foundation (FAPERJ), Universidade Federal Fluminense
Conditions	Obesity, Heart Rate Variability, Anxiety Disorders, Depression, Quality of Life
Enrollment	50 participants
Start Date	2022-10-20
Primary Completion	2024-10-17 (estimated)
Study Completion	2026-10-20 (estimated)
Updated on ClinicalTrials.gov	2023-07-18