EmmaJeanPattersonMDFACS FRCSC

General Surgery • Portland, OR

Bariatric Surgery

Oregon Weight Loss Surgery

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Office
825 NE 20th Ave
Suite 340
Portland, OR 97232
Phone+1 503-227-5050

Fax+1 503-227-2462
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Education & Training

University of Toronto Faculty of MedicineClass of 1993

Certifications & Licensure

OR State Medical License 2000 - 2025
WA State Medical License 2007 - 2025
American Board of Surgery Surgery

Awards, Honors, & Recognition

Portland Monthly Magazine Castle Connolly, 2011
Fellow (FACS) American College of Surgeons

Clinical Trials

Appetite Suppression / Hormone Study Control Group Start of enrollment: 2008 Sep 01
Active, not recruiting

Publications & Presentations

PubMed

9 citations
Postbariatric hypoglycemia: symptom patterns and associated risk factors in the Longitudinal Assessment of Bariatric Surgery study
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19 citations
Objectively-measured sedentary time and cardiometabolic health in adults with severe obesity.
Wendy C. King, Jia-Yuh Chen, Anita P. Courcoulas, James E. Mitchell, Bruce M. Wolfe, Emma J. Patterson, William B. Inabnet, Gregory Dakin, David R. Flum, Brian Cook, S...> ;Preventive Medicine. 2016 Mar 1
93 citations
Preoperative factors and 3-year weight change in the Longitudinal Assessment of Bariatric Surgery (LABS) consortium.
Anita P. Courcoulas, Nicholas J. Christian, Robert W. O'Rourke, Greg Dakin, E. Patchen Dellinger, David R. Flum, Ph D. Melissa Kalarchian, James E. Mitchell, Emma J. P...> ;Surgery for Obesity and Related Diseases. 2015 Sep 1
77 citations
Objective Assessment of Changes in Physical Activity and Sedentary Behavior: Pre-through 3-Years Post- Bariatric Surgery
Wendy C. King, Jia-Yuh Chen, Dale S. Bond, Steven H. Belle, Anita P. Courcoulas, Emma J. Patterson, James E. Mitchell, William B. Inabnet, George F. Dakin, David R. Fl...> ;Obesity. 2015 Jun 1
29 citations
Technical factors associated with anastomotic leak after Roux-en-Y gastric bypass.
Mark D. Smith, Abidemi Adeniji, Abdus S. Wahed, Emma J. Patterson, William C. Chapman, Anita P. Courcoulas, Gregory Dakin, David R. Flum, Carol A. McCloskey, James E. ...> ;Surgery for Obesity and Related Diseases. 2015 Mar 1
11 citations
Metabolic Syndrome Prevalence and Associations in a Bariatric Surgery Cohort from the Longitudinal Assessment of Bariatric Surgery-2 Study
Jonathan Q. Purnell, Faith Selzer, Mark D. Smith, Paul D. Berk, Anita P. Courcoulas, William B. Inabnet, Wendy C. King, John R. Pender, Alfons Pomp, William Raum, Beth...> ;Metabolic Syndrome and Related Disorders. 2014 Feb 19
100 citations
Baseline characteristics of participants in the Longitudinal Assessment of Bariatric Surgery-2 (LABS-2) study.
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5 citations
Can technical factors explain the volume-outcome relationship in gastric bypass surgery?
Mark D. Smith, Emma J. Patterson, Abdus S. Wahed, Steven H. Belle, Anita P. Courcoulas, David R. Flum, Saurabh Khandelwal, James E. Mitchell, Alfons Pomp, Walter J. Po...> ;Surgery for Obesity and Related Diseases. 2013 Sep 1
Comment on: laparoscopic adjustable gastric banding versus Roux-en-Y gastric bypass: 10-year results of a prospective randomized trial.
Emma J. Patterson> ;Surgery for Obesity and Related Diseases. 2013 May 1
8 citations
Is bariatric surgery safe in patients who refuse blood transfusion
Seiichi Kitahama, Mark D. Smith, David R. Rosencrantz, Emma J. Patterson> ;Surgery for Obesity and Related Diseases. 2013 May 1
51 citations
Prospective, randomized, multicenter study evaluating safety and efficacy of intragastric dual-balloon in obesity
Jaime Ponce, Brian B. Quebbemann, Emma J. Patterson> ;Surgery for Obesity and Related Diseases. 2013 Mar 1
40 citations
Omentectomy added to Roux-en-Y gastric bypass surgery: a randomized, controlled trial
Troy H. Dillard, Jonathan Q. Purnell, Mark D. Smith, William Raum, Dennis Hong, Jamie Laut, Emma J. Patterson> ;Surgery for Obesity and Related Diseases. 2013 Mar 1
28 citations
Assessment of obstructive sleep apnea in adults undergoing bariatric surgery in the longitudinal assessment of bariatric surgery-2 (LABS-2) study.
Akram Khan, Wendy C. King, Emma J. Patterson, Jamie Laut, William Raum, Anita P. Courcoulas, Charles W. Atwood, Bruce M. Wolfe> ;Journal of Clinical Sleep Medicine. 2013 Jan 15
46 citations
A review of unmet needs in obesity management
Ninh T. Nguyen, J. K. Champion, Jaime Ponce, Brian B. Quebbemann, Emma J. Patterson, B. Pham, W. Raum, J. N. Buchwald, G. Segato, F. Favretti> ;Obesity Surgery. 2012 Mar 22
2 citations
Survival After Bariatric Surgery Among High-Risk Patients
Emma J. Patterson, Steven H. Belle, Bruce M. Wolfe> ;JAMA. 2011 Sep 28
83 citations
Thirty-day mortality after bariatric surgery: independently adjudicated causes of death in the longitudinal assessment of bariatric surgery.
Mark D. Smith, Emma J. Patterson, Abdus S. Wahed, Steven H. Belle, Paul D. Berk, Anita P. Courcoulas, Gregory Dakin, David R. Flum, Laura L. Machado, James E. Mitchell...> ;Obesity Surgery. 2011 Aug 25
1 citations
Potential bias in a randomized trial of laparoscopic gastric bypass versus laparoscopic adjustable gastric banding.
Mark D. Smith, Emma J. Patterson> ;Annals of Surgery. 2010 Nov 1
46 citations
Relationship between surgeon volume and adverse outcomes after RYGB in Longitudinal Assessment of Bariatric Surgery (LABS) study
Mark D. Smith, Emma J. Patterson, Abdus S. Wahed, Steven H. Belle, Marc Bessler, Anita P. Courcoulas, David R. Flum, Valerie Halpin, James E. Mitchell, Alfons Pomp, Wa...> ;Surgery for Obesity and Related Diseases. 2010 Mar 4
933 citations
Perioperative safety in the longitudinal assessment of bariatric surgery.
David R. Flum, Steven H. Belle, Wendy C. King, Abdus S. Wahed, Paul D. Berk, William C. Chapman, Walter J. Pories, Anita P. Courcoulas, Carol A. McCloskey, James E. Mi...> ;The New England Journal of Medicine. 2009 Jul 30
54 citations
Physical activity levels of patients undergoing bariatric surgery in the Longitudinal Assessment of Bariatric Surgery study
Wendy C. King, Steven H. Belle, George M. Eid, Gregory Dakin, William B. Inabnet, James E. Mitchell, Emma J. Patterson, Anita P. Courcoulas, David R. Flum, William H. ...> ;Surgery for Obesity and Related Diseases. 2008 Nov 1
46 citations
Relationship of body mass index with demographic and clinical characteristics in the Longitudinal Assessment of Bariatric Surgery (LABS).
Steven H Belle, William C. Chapman, Anita P. Courcoulas, David R. Flum, Michel Gagner, William B. Inabnet, Wendy C. King, James E. Mitchell, Emma J. Patterson, Richard...> ;Surgery for Obesity and Related Diseases. 2008 Jun 2
22 citations
Homocysteine levels in children and adolescents are associated with the methylenetetrahydrofolate reductase 677C>T genotype, but not with physical activity, fitness or...
Jonatan R. Ruiz, Anita Hurtig-Wennlöf, Francisco B. Ortega, Emma Patterson, Torbjörn K. Nilsson, Manuel J. Castillo, Michael Sjöström> ;The British Journal of Nutrition. 2007 Feb 1
50 citations
Comparative study between laparoscopic adjustable gastric banding and laparoscopic gastric bypass: single-institution, 5-year experience in bariatric surgery
Jay C. Jan, Dennis Hong, Sergio J. Bardaro, Laura July, Emma J. Patterson> ;Surgery for Obesity and Related Diseases. 2007 Jan 1
42 citations
The Optimal Surgical Management of the Super Obese Patient: The Debate
Eric J. DeMaria, Philip R. Schauer, Emma J. Patterson, Ninh T. Nguyen, Brian P. Jacob, William B. Inabnet, Henry Buchwald> ;Surgical Innovation. 2005 Jun 1
86 citations
Laparoscopic adjustable gastric banding versus laparoscopic gastric bypass for morbid obesity: a single-institution comparison study of early results.
Jay C. Jan, Dennis Hong, Natasha Pereira, Emma J. Patterson> ;Journal of Gastrointestinal Surgery. 2005 Jan 1
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