LABS was conceived to address important issues in bariatric surgery and metabolism in the obese and morbidly obese.
LABS aims to explore relationships of patient characteristics, clinical conditions, serologic and genetic markers, process of care, and clinical, psychosocial and health economic outcomes. The primary achievements of LABS in its first 5 years have been to define the domains of exploration, identify appropriate metrics and enroll 5105 participants in LABS land achieve vital status data for 99% due for at 30 days post-surgery. In addition, 1947 participants in LABS 2 have been recruited with data collected for 91% for 6 months follow-up. An extension of LABS would build on the rigorous research infrastructure across 10 clinical sites at the 6 clinical centers representing several care delivery systems and patient populations. LABS enrolls patients from 6 academic and 4 community hospitals undergoing operations by 33 surgeons. These sites have created a cohort with considerable diversity of important patient characteristics. LABS includes 21% males (range across sites 16% to 32%), 9% Black/African-Americans (range 0% to 24%), 7% Hispanics (range 1% to 16%), 10% age 60+ years (range 5%-18%), and 10% BMI 60+ kg/m2 (range 6% to 27%). These features have been linked to short and long-term outcomes and represent critical subgroups that have not been adequately characterized because they appear infrequently in most single-center cohorts. Importantly, the diversity across sites is more likely to represent the bariatric surgery population in the U.S. than would be possible from any individual site.
(See Instructions): Critical scientific advantages of the multi-center LABS consortium compared to single-center studies include: 1) The ability to recruit a larger number of patients, in a comparable, or shorter, period of time and 2) A research infrastructure with rigorous data collection practices, high levels of data accuracy and completeness, rigorous follow-up, and a comprehensive database of clearly defined data elements.
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|Spitznagel, Mary Beth; Alosco, Michael; Inge, Thomas H et al. (2016) Adolescent weight history and adult cognition: before and after bariatric surgery. Surg Obes Relat Dis 12:1057-64|
|King, Wendy C; Chen, Jia-Yuh; Belle, Steven H et al. (2016) Change in Pain and Physical Function Following Bariatric Surgery for Severe Obesity. JAMA 315:1362-71|
|Purnell, Jonathan Q; Selzer, Faith; Wahed, Abdus S et al. (2016) Type 2 Diabetes Remission Rates After Laparoscopic Gastric Bypass and Gastric Banding: Results of the Longitudinal Assessment of Bariatric Surgery Study. Diabetes Care 39:1101-7|
|Mitchell, James E; Steffen, Kristine; Engel, Scott et al. (2015) Addictive disorders after Roux-en-Y gastric bypass. Surg Obes Relat Dis 11:897-905|
|Subak, Leslee L; King, Wendy C; Belle, Steven H et al. (2015) Urinary Incontinence Before and After Bariatric Surgery. JAMA Intern Med 175:1378-87|
|Courcoulas, Anita P; Christian, Nicholas J; O'Rourke, Robert W et al. (2015) Preoperative factors and 3-year weight change in the Longitudinal Assessment of Bariatric Surgery (LABS) consortium. Surg Obes Relat Dis 11:1109-18|
|Mitchell, James E; King, Wendy C; Courcoulas, Anita et al. (2015) Eating behavior and eating disorders in adults before bariatric surgery. Int J Eat Disord 48:215-22|
|King, Wendy C; Chen, Jia-Yuh; Bond, Dale S et al. (2015) Objective assessment of changes in physical activity and sedentary behavior: Pre- through 3 years post-bariatric surgery. Obesity (Silver Spring) 23:1143-50|
|Smith, Mark D; Adeniji, Abidemi; Wahed, Abdus S et al. (2015) Technical factors associated with anastomotic leak after Roux-en-Y gastric bypass. Surg Obes Relat Dis 11:313-20|
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