Type-2 diabetes risk lowered by weight-loss surgery

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A study indicates that the risk of developing type-2 diabetes could be reduced by around 80% in obese people undergoing weight-loss surgery.

In excess of 80% of adults suffering with type-2 diabetes are overweight or obese.

Martin Gulliford, a professor at King’s College in London, said the results of the study suggest that weight-loss surgery may be a highly effective method of preventing diabetes in males and females who are severely obese.

He said that as an overall prevention strategy for diabetes, it is necessary to understand how weight-loss surgery can be used effectively, along with intervention methods to promote a healthy diet and increase physical activity.

The researchers used electronic health records from the UK Clinical Practice Research Datalink to assess the effect of contemporary weight loss procedures on the development of diabetes. They identified around 2167 obese adults who were not sufferers of diabetes, but underwent one of three weight loss surgical procedures, such as a gastric bypass, sleeve gastrectomy or laparoscopic adjustable banding, to aid in their weight loss since 2002.

These participants in the study were compared with 2167 controls and followed up over a period of seven years.

During the follow-up time period, 38 new diabetes diagnoses were done among the participants who had had weight loss surgery, compared to 177 in the control group.

When comparison was made with the control group, it was found that the incidence of diabetes was reduced by around 80% in those who had undergone surgery, even after controls for other factors, such as high blood pressure, high cholesterol and smoking had been implemented.

The results of the study were published in The Lancet Diabetes & Endocrinology.

Image Credit: Tanvir Alam

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