About this trial
Bariatric surgery (BS) is known to improve the components of metabolic syndrome (MS) in obese patients. However, few studies have evaluated the impact of bariatric surgery versus medical therapy (MT) in patients with MS, especially in patients with low body mass index (BMI). This study aimed to assess the effect of bariatric surgery on MS in patients with low BMI by comparing BS (BMI\<35 kg/m2 and BMI≥35 kg/m2) with MT (BMI\<35 kg/m2). A retrospective study including patients with MS undergoing bariatric surgery and medical therapy at a single institution. We follow up the 5 years effect of bariatric surgery versus medical therapy on the remission of MS, its individual components, atherosclerotic cardiovascular disease (ASCVD) risk, and medication used.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
BMI<35 kg/m²
Underwent bariatric surgery or medical therapy
Patients met the diagnostic criteria for MS, defined criteria derived from the joint interim statement (JIS)
Disqualifiers
Patients who failed to follow up
Insulin dependent diabetes
congenital dementia
brain trauma
Trial population
Patients underwent bariatric surgery or medical therapy for metabolic syndrome between 2010 and 2020 at our institution.
Trial design
Cohort
Cross-sectional
Treatments tested in this trial
Hypoglycemic drugs
Drugdrug
Bariatric surgery
Procedure/Surgerysurgery
Treatment groups
Trial outcomes
Primary outcomes
Change in metabolic parameters from baseline to 5 years.
Waist circumference(cm)
Change in metabolic parameters from baseline to 5 years.
body mass index(kg/m\^2)
Secondary outcomes
Change in glycosylated hemoglobin from baseline to 5 years.
glycosylated hemoglobin(%)
Change in plasma glucose from baseline to 5 years.
Fasting plasma glucose(mmol/l),
Change in blood lipids from baseline to 5 years.
total cholesterol(mmol/l), triglycerides(mmol/l), high-density lipoprotein cholesterol(mmol/l), low-density lipoprotein cholesterol(mmol/l)
Changes of CVD risk
10-year and lifetime ASCVD risk calculated by the China-PAR equation. Evaluation metrics include sex, age, region of residence (South or North), waist circumference, total cholesterol, HDL cholesterol, systolic blood pressure, diastolic blood pressure, whether taking antihypertensive drugs, whether diabetic, whether smoker, family history of cardiovascular and cerebrovascular.
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