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Surgery Still Beneficial 3 Years Post-Op

Bariatric Surgery News & Research | Adelaide Bariatric Centre

20 Nov 2013 2:22 PM

weight loss sugery

A study has found that bariatric patients continue to enjoy significant weight loss three years after their operation, in addition to improved health outcomes.

The study, published in the Journal of the American Medical Association, looked at health outcomes for severely obese patients three years after they underwent bariatric surgery. It also found improvements in obesity-related health complications, including diabetes, hypertension and high cholesterol.

Led by Dr Anita Courcoulas, a bariatric and general surgeon at Magee-Womens Hospital of UPMC, the researchers examined data from a multicenter observational cohort study at 10 US hospitals in six geographically diverse locations. The researchers gathered information on bariatric surgery patients and followed them over the course of three years.

The study volunteers ranged in age from 18 to 78 years; 79 per cent of them were female. Of the patients involved, 1738 underwent gastric bypass surgery and 601 had laparoscopic gastric banding.

At the three year post-surgery follow up, researchers observed significant weight loss, with most of the reduction having occurred in during the first year. Participants who underwent gastric bypass surgery experienced median weight loss of approximately 32 per cent, while laparoscopic gastric banding patients experienced median weight loss of 16 per cent.

Of the gastric bypass patients suffering from specific obesity-related health problems before surgery, 67 per cent experienced partial remission from diabetes and 38 per cent remission from hypertension.  Furthermore, high cholesterol resolved in 61 per cent of the bypass patients.

Of those who underwent laparoscopic gastric banding, 28 per cent experienced partial remission from diabetes, 17 per cent experienced remission from hypertension and high cholesterol was resolved in 27 per cent of patients.

"Longer-term follow-up of this carefully studied cohort will determine the durability of these improvements over time and identify the factors associated with the variability in effect,” Dr. Courcoulas said.