If patients commit to making necessary changes in their diet and exercise regimens, gastric bypass surgery can provide long-term, consistent weight loss, according to the Mayo Clinic.
Not only does it help shed pounds, but a pair of studies published last year in the New England Journal of Medicine found that it can help obese people live longer.
One study, led by Ted Adams of the University of Utah School of Medicine, tracked almost 16,000 obese people, half of whom had weight-loss surgery. After an average of seven years, the death rate was 40 percent lower for people who had the surgery compared with those who didn't. Diabetes-related deaths were cut by a whopping 92 percent.
The other study, led by a Swedish team, involved more than 6,000 obese patients. After an average follow-up of more than a decade, those who had bariatric surgery were 29 percent less likely to die than those who did not undergo surgery.
Age is not necessarily a barrier, another study suggests. In a review of 1,065 bariatric surgeries performed from 2001 to 2005, researchers at the Geisinger Medical Center in Danville, Pa., found that people 60 and older had comparable safety and effectiveness results as those under 60.
But Phillips isn't convinced it's the right thing to do for people pushing 80.
"The likelihood of extending their lives is unknown," he said, noting that they've already reached their life expectancy. "Also, if a complication occurs, they can't survive it."
And despite the life-extending benefits that the surgery may provide, every patient must proceed with caution.
"I would still strongly advise patients considering bariatric surgery to consider the risks associated with surgery in relation to the risks associated with excessive body weight," Adams said. "There should be careful assessment of the
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