The purpose of this study is to determine the change in kidney function and blood pressure after gastric bypass versus conventional medical therapy in morbid obesity. The study mainly focus on glomerular filtration rate(GFR) with known relation to the renal function and 24 hours ambulatory blood pressure monitoring after intervention of gastric bypass or medical treatment.
Metabolic syndrome is strongly associated with obesity and the patients with this syndrome are at increased risk for cardiovascular disease. Obesity constitutes a strong risk factor for the development of chronic kidney disease. Among diabetics, obesity is known to amplify the risk for kidney disease. Bariatric surgery has yielded dramatic results including longitudinal loss of excess body weight and either complete reversal or significant improvement of several features of metabolic syndrome. In addition, many observational studies have demonstrated significant reduction in proteinuria after bariatric surgery. However, the changes in the component of cardiovascular problem among metabolic syndrome and changes in renal filtration function or progression to end stage kidney disease in morbidly obese patients after weight loss surgery have not been extensively studied. Therefore, our study mainly focus on glomerular filtration rate(GFR) with known relation to the renal function and 24 hours ambulatory blood pressure monitoring after intervention of gastric bypass or medical treatment.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Masking
NONE
Enrollment
30
Laparoscopic or Robot R-Y gastric bypass
Hanyang University Hospital
Seoul, South Korea
RECRUITINGChange in Glomerular filtration rate
Time frame: before, 6, 12month after surgery
Change in excessive body weight
Time frame: before, 6, 12month after surgery
Systolic function (EF)
measured by echocardogram
Time frame: Before, 6 and 12month after surgery
Diastolic function (E,A,DT,IVRT,E/e')
measured by echocardogram
Time frame: Before, 6 and 12month after surgery
Change of daytime blood pressure (systolic blood pressure, diastolic blood pressure, mean blood pressure)
measured by 24 hours ambulatory blood pressure monitoring
Time frame: Before, 6, and 12month after surgery
Change of night time blood pressure (systolic blood pressure, diastolic blood pressure, mean blood pressure)
measured by 24 hours ambulatory blood pressure monitoring
Time frame: Before, 6, and 12month after surgery
Change of 24 hours blood pressure (systolic blood pressure, diastolic blood pressure, mean blood pressure)
measured by 24 hours ambulatory blood pressure monitoring
Time frame: Before, 6, and 12month after surgery
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