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Study finds possible alternative to bariatric weight loss surgery
Date:4/30/2013

CINCINNATI An experimental procedure successfully tested in obese laboratory rats may provide a less-invasive alternative to bariatric weight-loss surgery, researchers report online in Endocrinology.

Scientists at Cincinnati Children's Hospital Medical Center used a catheter to re-direct the flow of bile from the bile duct into the small intestine, producing the same metabolic and weight-loss benefits as bariatric surgeries such as gastric by-pass. They named the procedure bile diversion, or BD.

"This may lead to novel ways to treat obesity related conditions," said lead investigator, Rohit Kohli, MBBS, MS, a physician and researcher in the Division of Gastroenterology at Cincinnati Children's. "Our results provide compelling evidence that manipulation of bile acids is sufficient to recreate the key effects of bariatric procedures, including gastric bypass, and may be especially beneficial to people with obesity related liver dysfunction."

Bariatric surgery has become an important therapeutic option for morbid obesity and nonalcoholic fatty liver disease. Gastric bypass surgery is associated with sustained weight loss and reduced overall mortality in patients. Still, the invasive procedure which involves altering the gastrointestinal anatomy of patients also comes with medical risks.

Physicians also do not fully understand the biological mechanisms that produce the post-surgical benefits of procedures like gastric bypass. It is theorized that elevated levels of bile acids detected in the blood of patients trigger molecular processes that may help improve metabolism and energy expenditure.

In the current study, Kohli and his collaborators which included researchers at the University of Cincinnati College of Medicine worked from the hypothesis that diverting bile acid in obese rats would recreate the benefits of bariatric surgery.

Male rats with diet-induced obesity received either the bile d
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Contact: Nick Miller
nicholas.miller@cchmc.org
513-803-6035
Cincinnati Children's Hospital Medical Center
Source:Eurekalert

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