* 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.
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Bariatric surgery changes measures of heart rate variability of patients
Timeframe: After 3-6-12-24 months after bariatric surgery
Bariatric surgery changes measure of anxiety
Timeframe: After 3-6-12-24 months after bariatric surgery
Bariatric surgery changes measures of depression
Timeframe: After 3-6-12-24 months after bariatric surgery
Bariatric surgery changes measures of perceived quality of life
Timeframe: After 3-6-12-24 months after bariatric surgery