Impact of Roux-en-Y Gastric Bypass Surgery (Rygb) on Metabolic Syndrome Components and on the Use of Associated Drugs in Obese Patients

Abstract

-Background -The prevalence of obesity and metabolic syndrome is increasing worldwide and both behavior modification and drug therapy have low adherence. Gastric bypass has shown effective results in both reducing weight and improving comorbidities. Objective -To evaluate the impact of Roux-en-Y Gastric Bypass Surgery (RYGB) on both metabolic syndrome components and the use of associated drugs in obese patients. Methods -Historical cohort of patients subjected to Roux-en-Y Gastric Bypass Surgery (RYGB) between January 2007 and March 2014 in a private clinic. The sample consisted of 273 obese class II and III individuals, 86.4% of whom were female, with age ≥20 years, followed up for 2 months after surgery. Sociodemographic, anthropometric, biochemical, clinical, and drug-use data were collected from patients' medical records. Results -Significant differences were found in weight, body mass index and waist circumference, after 60 postoperative days. Components for metabolic syndrome diagnosis (hypertension P=0.001; hyperglycemia P<0.001; hypertriglyceridemia P=0.006) were reduced after 60 days of postoperative, with the exception HDL-c (P=0.083). There was a significant reduction in the use of antihypertensive (P<0.001), hypoglycemic (P=0.013), lipid lowering (P<0.001), and antiobesity (P=0.010) drugs and increased use of gastroprotective drugs, vitamins, and minerals (P<0.001) after 60 postoperative days. ConclusionPatients subjected to Roux-en-Y Gastric Bypass Surgery exhibited both weight loss and significant improvement not only in metabolic syndrome components (except for HDL-c) but in the use of drugs associated with obesity and metabolic syndrome. HEADINGS -Metabolic syndrome X. Obesity. Gastric bypass. Drug utilization.

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