Bariatric Surgery

Full Title: PCORnet Bariatric Study
 David Arterburn, M.D., MPH
PI Institution: Group Health Research Institute
Site PI: 
Steven Smith, M.D.
Site PI Institution: 
Florida Hospital
Citizen Scientist: Myrtle Graham
Project Manager:
Rebecca Essner, Ph.D.

Funding Source: PCORI

Abstract: The use of bariatric surgery to treat severe obesity has risen in recent years. While there is plenty of evidence associating bariatric surgery with long- and short- term benefits (weight loss, diabetes remission, and decreased mortality) there is still a gap in knowledge as it relates to long-term comparative effectiveness and safety of bariatric procedures in real world clinical settings. The PCORnet Bariatric Surgery study looks to compare the long-term risks and benefits of three common types of bariatric surgeries.

Three main types of bariatric surgery include gastric bypass (RYGB), adjustable gastric banding (AGB) and sleeve gastrectomy (VSG). This study will assess records from approximately 60,000 patients who have had one of the surgeries, and compare patient weight loss and regain, diabetes improvement or relapse, and the frequency of complications.  Additionally, this group will have approximately 17,000 patients with diabetes and 900 adolescents who have had bariatric surgery.

The PI for the nationwide study is David E. Arterburn, M.D., MPH, of Group Health Research Institute. The OneFlorida site PI for this study is Steven R. Smith, M.D., co-leader of the OneFlorida Clinical Research Consortium Obesity Work Group and Chief Scientific Officer for Florida Hospital. This study will utilize data from three OneFlorida partners: UF Health, Tallahassee Memorial HealthCare, and Orlando Health.

OneFlorida Partner Sites

Florida Hospital
Florida Hospital
Orlando Health
Tallahassee Memorial HealthCare
UF Health

OneFlorida Partners

External CDRN Partners

Published Papers and Presentations

  • Coming soon

Contact Information

For more information please contact Rebecca Essner, Ph.D., at

Page last updated on: 10/31/2017

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