Bariatric surgery reduces risk of dying 1-5 years after surgery by 55 percent (6.4% vs 10.4%)

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Friday, October 09, 2015 5:16 am Email this article

Bariatric surgery did not reduce the risk of dying during the first year after surgery.

In fact, the risk of death was 28% higher for patients who underwent surgery during the first year (2.4% of surgery patients had died during he first year versus 1.7% of matched controls), however…

People who underwent bariatric surgery were 55% less likely to have died from one to five years (1-5 years) after surgery than matched controls who did not undergo bariatric surgery after some adjustments.

The percentage of people who had died 1 to 5 years later was:

• 6.4% of people who had bariatric surgery had died versus
• 10.4% of matched controls (people who did not have bariatric surgery)

Subjects

Subjects: 2500 surgery patients (74% men), 7462 matched controls

“We identified 2500 patients (74% men) who underwent bariatric surgery in Veterans Affairs (VA) bariatric centers from 2000-2011 and matched them to 7462 control patients,” the paper notes.

“Surgical patients (n = 2500) had a mean age of 52 years and a mean BMI of 47.”

“Matched control patients (n = 7462) had a mean age of 53 years and a mean BMI of 46.”

Bariatric Procedures

Bariatric Procedures: 74% gastric bypass, 15% sleeve gastrectomy, 10% adjustable gastric banding, 1% other

Bariatric procedures included 74% gastric bypass, 15% sleeve gastrectomy, 10% adjustable gastric banding, and 1% other.

Reference

Arterburn DE, Olsen MK, Smith VA, Livingston EH, Scoyoc LV, Yancy WS, Eid G, Weidenbacher H, and Maciejewski ML. Association Between Bariatric Surgery and Long-term Survival. JAMA, 2014 Feb 26; 311(8): 806-814.

Author’s Contact Info

Matthew L. Maciejewski, PhD
Center for Health Services Research in Primary Care (Mail Stop 152)
Durham Veterans Affairs Medical Center
411 W Chapel Hill St, Ste 600
Durham, NC 27705 USA
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