Stomach-Pumping Machine Makes Calories Disappear

PHOTO: The AspireAssist stomach pump sucks food out of the users belly before the body can fully digest it.
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A group of inventors, who include the creator of the Segway, has come up with a gadget that lets people eat pretty much what they want and forget about the calories.

Sound too good to be true?

Called the AspireAssist device, it works by sucking the food right out of the stomach so that only about a third of the calories are absorbed by the body.

Patients wait 20 minutes after eating, then empty 30 percent of their stomach contents into the toilet through a tube -- a small, handheld device connects to a skin-port discretely embedded on the outside of the abdomen.

Calories not digested are calories not absorbed, which, say the inventors, leads to weight loss.

In a one-year trial of 24 obese patients, patients on average lost 49 percent of excess weight, the equivalent of about 45 pounds.

Mikael Cederhag, 55, of Sweden was one of them. When he had the AspireAssist device implanted last year he tipped the scales at 264 pounds. Now he's at 200 pounds and still losing.

"This is it for me. I've been jumping up and down in weight for 30 years," Cederhag said. "Finally, this is a solution that allows me to get my weight down and stay that way."

Katherine D. Crothall, president and CEO of Aspire Bariatrics, the maker of the AspireAssist, said she understood why people might find the idea of the pump "gross" but insisted it offered a viable way for morbidly obese people to drop pounds.

"Some people manage to lose weight on a diet, but the kinds of changes you need to make to keep it off are probably not sustainable for many," she said. "There's a lot to be said for people being in the driver's seat with their own body, with their own health. This allows a patient to do that while under the care of a physician."

Available in select regions of Europe, including Sweden, since 2011, the AspireAssist is still undergoing trials in the United States, and the Food and Drug Administration has yet to approve it for use here.

Superior to Surgery?

Bariatric surgery, another option for obese people who can find no other way to lose weight, entails permanently closing off a portion of the stomach. This was one of the reasons Cederhag resisted the surgery and opted for the pump. He said he wasn't prepared to have his body forever altered. He'd also known people who'd undergone gastric bypass surgery and threw up after every meal or experienced serious complications for years afterward.

"That's not the kind of life I wanted," he said, noting the pump could be removed in 15 minutes by a doctor.

Dr. Jaime Ponce, a bariatric surgeon and president of the American Society for Metabolic and Bariatric Surgery, countered that surgery could aid weight loss beyond simply shrinking the stomach.

"Surgery changes hunger sensations and portion size capability. There are also some hormonal changes that take place to allow patients to make better food choices," he said. "If you eat a lot of sweets and greasy food after having surgery, you don't feel good."

Ponce said the pump's trial demonstrated a promising amount of weight loss, but the study was too small and too short to draw any real conclusions from it. Ponce's biggest worry was that the AspireAssist device didn't seem to address hunger.

"If you pump the stomach, the patient is hungry again," he pointed out. "I don't see how this gets around that."

But Cederhag said he never felt hungry. "Because you leave the food in the stomach for 20 minutes, your brain registers that you are filled up. That sensation stays even after you have flushed out the 30 percent of food."

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