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超重的2型糖尿病患者仍有手术后长达九年的减肥手术的好处，据来自克利夫兰诊所的减肥及新的研究；代谢研究所杂志今日在线发表，手术史。

Prior research has shown that bariatric surgery effectively treats diabetes and reduces cardiovascular risk factors, but few studies have reported the long-term metabolic effects of bariatric surgery。 This trial shows that obese patients with type 2 diabetes continue to improve or reverse their diabetes, as well as reduce their cardiovascular risk factors, nine years after the procedure。

Cleveland Clinic researchers also identified the factors that result in a higher rate of long-term diabetes remission。 Long-term weight loss, a shorter duration of diabetes prior to surgery (less than five years), and undergoing gastric bypass surgery compared to adjustable gastric banding are the biggest predictors of sustained diabetes remission。

“Uncontrolled diabetes can lead to serious complications such as heart and kidney disease。 Only about half of diabetics in the United States currently have acceptable control of their blood glucose level,” said lead investigator Stacy Brethauer, MD, a bariatric surgeon at the Cleveland Clinic Bariatric & Metabolic Institute。 “Our study, however, shows that 80 percent of the diabetic patients still control their blood glucose five years after their bariatric surgery。 Additionally, nearly one-third of gastric bypass patients had normal blood glucose levels off medication for over five years after surgery。 This study confirms that the procedure can offer durable remission of diabetes in some patients and should be considered as an earlier treatment option for patients with uncontrolled diabetes。”

Cleveland Clinic researchers have been at the forefront of research in this field。 They led the groundbreaking STAMPEDE (Surgical Therapy And Medications Potentially Eradicate Diabetes Efficiently) trial published in 新英国医学杂志 in 2012。 The STAMPEDE trial was the first to show that bariatric surgery is more effective than medical therapy in controlling diabetes in obese patients。 Additional pioneering research in the field includes a Cleveland Clinic-led substudy of STAMPEDE, published in Diabetes Care in 2013, which found that gastric bypass surgery reverses diabetes by uniquely restoring pancreatic function in moderately obese patients with uncontrolled type 2 diabetes。

With the publication of this new trial, Cleveland Clinic researchers further advance the body of research on bariatric surgery as a treatment option for patients with uncontrolled diabetes。

The retrospective study analyzed data on 217 patients with type 2 diabetes who underwent bariatric surgery between 2004 and 2007 and had at least five years follow-up。 The patients were divided into three groups: 162 patients underwent gastric bypass surgery, 32 had the gastric banding procedure done, and 23 underwent sleeve gastrectomy。

Researchers used strict criteria to define glycemic control, including an HbA1c level of less than 6 percent, which is a more aggressive target than the American Diabetes Association (ADA) guidelines。 ADA recommends an HbA1c target of 7 percent。

At a median follow-up of six years, data show that diabetes remission occurred in 50 percent of patients after bariatric surgery。 Specifically, 24 percent of patients sustained complete remission of their diabetes with a blood sugar level of less than six percent without diabetes medications, and another 26 percent achieved partial remission; 34 percent of all patients improved their long-term diabetes control compared to presurgery status。 As expected, the patients who received gastric bypass experienced the highest rates of weight loss and diabetic remission。

The study shows significant reductions in the number of diabetic medications used in the long-term follow-up。 There was a 50 percent reduction in the number of patients requiring insulin therapy in the long term and a 10-fold increase in the number of patients requiring no medications。 In addition, the data show patients significantly reduced their cardiovascular risk factors according to the Framingham Risk Score。 Diabetic nephropathy, characterized by high protein levels in the urine, improved or stabilized as well。

No funding was provided for this research。 Dr。 Brethauer is a consultant and speaker for Ethicon Endo-Surgery and a speaker for Covidien。

For more information about the Cleveland Clinic Bariatric & Metabolic Institute, go to https://weightloss。clevelandclinic。org/index。aspx

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