Lookup NU author(s): Sorena Afshar,
Professor John Mathers
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© 2017 American Society for Bariatric Surgery Background Many studies using self-reported physical activity (PA) assessment tools have suggested there is an increase in PA after bariatric surgery. Objectives Our aim was to assess PA and sedentary behavior before bariatric surgery and at 6 months after, using subjective and objective tools. Setting Bariatric surgery candidates were recruited from a single center. Methods Demographic data, medical history, current medications, and anthropometric measurements were recorded. Participants were asked to complete a PA and lifestyle questionnaire and to wear an accelerometer on their nondominant wrist. Data were collected before and at 6 months after surgery. Results Twenty-two participants were included (17 gastric bypass; 4 sleeve gastrectomy; 1 intragastric balloon). Mean age was 46 years and the majority were female (72%). At a median of 6.3 months follow-up, there were significant reductions in measures of body fatness with a mean reduction of 27 kg in weight. The majority of daytime (12.5±1.1 out of 16 h) was spent in sedentary behavior presurgery with little change postsurgery (12.2±1.2; P = .186). Objectively measured mean moderate-vigorous PA did not change significantly from pre- to postsurgery (mean 11.5±13.9 and 11.6±13.1 min/d, respectively; P = .971). Self-reported total nonoccupational PA did not change significantly (P = .390). Conclusions The majority of bariatric surgery candidates were physically inactive presurgery, and there was no significant change in either subjectively or objectively measured PA at follow-up. This patient group may benefit from objective PA assessment and interventions aimed at increasing PA.
Author(s): Afshar S, Seymour K, Kelly SB, Woodcock S, van Hees VT, Mathers JC
Publication type: Article
Publication status: Published
Journal: Surgery for Obesity and Related Diseases
Print publication date: 01/03/2017
Online publication date: 13/09/2016
Acceptance date: 08/09/2016
ISSN (print): 1550-7289
ISSN (electronic): 1878-7533
Publisher: Elsevier Inc.
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