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Surg Obes Relat Dis. Author manuscript; available in PMC 2017 January 01. Published in final edited form as: Surg Obes Relat Dis. 2016 January ; 12(1): 171–178. doi:10.1016/j.soard.2015.06.007.

Post-Operative Marijuana Use and Disordered Eating among Bariatric Surgery Patients Denise C. Vidot, M.A.a,b, Guillermo Prado, Ph.D.b, Nestor De La Cruz-Munoz, M.D.c, Christine Spadola, M.S.d, Melissa Cuesta, L.P.N.c, and Sarah E. Messiah, Ph.D., M.P.H.a,e

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aDivision

of Epidemiology and Population Health Sciences, Department of Public Health Sciences

bDivision

of Prevention Science and Community Health, Department of Public Health Sciences

cDivision

of Laparoendoscopic and Bariatric Surgery, Department of Surgery

dRobert

Stempel College of Public Health and Social Work, Florida International University

eDivision

of Pediatric Clinical Research, Department of Pediatrics, University of Miami Leonard M. Miller School of Medicine, Miami, Florida, USA 33130

Abstract Background—Current literature is scarce in documenting marijuana use after bariatric weight loss surgery (WLS).

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Objectives—The objective of this study was to explore the association between marijuana use patterns, disordered eating and food addiction behaviors among patients two years post-WLS. Setting—University Hospital, United States. Methods—Participants (N=50, mean age 28, SD=5.8) were administered a structured assessment that included the Addiction Severity Index (ASI), Yale Food Addiction Scale, Eating Disorder Examination Questionnaire (EDE-Q), and Disordered Eating Questionnaire (DEQ). Marijuana use was defined based on the ASI as current use (within 30 days), recent use (use in last year), and increased use (increased use since surgery). Data were analyzed using Fisher's Exact Tests and Linear Regression methods adjusting for age, gender, race/ethnicity, time since surgery, and change in Body Mass Index.

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Results—The majority of the sample was female (76%) and underwent the Roux-en-Y Gastric Bypass procedure (62%). Eighteen percent (18%) of the sample reported current marijuana use; 38% reported recent use; and 21.4% reported increased use post-WLS. A loss of controlled food intake was associated with current (p=0.02) and increased post-WLS use (p=0.01). Increased use and/or regular marijuana use predicted higher scores on eating disorder subscales compared to

Address for correspondence/reprints: Denise C. Vidot, M.A., University of Miami, Miller School of Medicine, Clinical Research Building, 1120 NW 14th Street, Miami, Florida 33136, (561) 301-7904 (phone), [email protected]. No Conflicts of Interest to Report Publisher's Disclaimer: This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final citable form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

Vidot et al.

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respective counterparts (p

Postoperative marijuana use and disordered eating among bariatric surgery patients.

Current literature is scarce in documenting marijuana use after bariatric weight loss surgery (WLS)...
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