Bypass bariatric surgery triggers remission in obese people with type 2 diabetes.
A new study published in Diabetology found that three-quarters of obese people with type 2 diabetes who had Roux-en-Y gastric bypass surgery saw their chronic high blood sugar begin to clear.
Over the past 30 years, bariatric surgery has become a common treatment for obesity, especially for people who suffer from associated pathologies. The bypass is for example the queen operation for people suffering from both obesity and type 2 diabetes.
65% of bypass patients saw their diabetes go into remission
The research team worked on a group of 1,111 Danes with type 2 diabetes who had bypass surgery between 2006 and 2015, and compared them to a cohort of 1,074 patients with type 2 diabetes who had no surgery.
During the first 6 months after the operation, 65% of bypass patients saw their diabetes go into remission. This rate increased to 74% after 6 to 12 months and remained above 70% for each new 6-month period during the first 5 years following the intervention. Of those who were in remission during the first year of follow-up, 6%, 12%, 18% and 27% had relapsed after 2, 3, 4 and 5 years, respectively. 73% of patients in remission after one year were therefore still disease-free five years after their operation.
Predictors of a greater likelihood of success include the patient being male, young, with good glycemic control. “The results of this study add to the growing body of evidence on the effects of bariatric surgery,” the authors conclude. They add, however, “there is a significant risk of relapse of type 2 diabetes, which should be considered when counseling patients and planning postoperative care.”
The bariatric surgery rate has been multiplied by 2.6 in France
The average for OECD countries is 19.5% obese. The United States, Mexico, New Zealand and Hungary are the most affected countries with respectively 38, 2, 32, 4, 30.7 and 30% obese. Japan, Korea, Italy and Switzerland are the least affected countries with 3, 7, 5, 3, 9, 8 and 10.3% obese. Obesity in France affects 15.8% of men and 15.6% of women. More generally, 1 out of 2 French people is overweight, i.e. 56.8% of men and 40% of women.
As a result, the rate of recourse to bariatric surgery was multiplied by 2.6 in France between 2008 and 2014. In 2014, 45,474 patients, including 65.6% suffering from morbid obesity, benefited from surgery bariatric, with a predominance of women operated on at a younger age than men.
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