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Longitudinal assessment of physical activity in women undergoing Roux-en-Y gastric bypass
Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden.
Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden.
Department of Medical Epidemiology and Biostatistics, Karolinska University, Stockholm, Sweden.
Department of Surgery, Ersta Hospital, Stockholm, Sweden.
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2015 (English)In: Obesity Surgery, ISSN 0960-8923, E-ISSN 1708-0428, Vol. 25, no 1, 119-125 p.Article in journal (Refereed) Published
Abstract [en]

Background: Patients undergoing bariatric surgery do not seem to increase objectively measured physical activity (PA) after surgery, despite substantial weight loss. The aims of the present study were (i) to objectively characterize 3 months pre-surgery to 9 months postsurgery PA and sedentary behavior changes in women undergoing Roux-en-Y gastric bypass (RYGB) using tri-axial accelerometers and (ii) to examine associations between pre-surgery versus postsurgery PA and sedentary behavior with anthropometric measures taken in home environment.

Methods: Fifty-six women, with an average pre-surgery body mass index (BMI) of 37.6 (SD 2.6) and of age 39.5 years (SD 5.7), were recruited at five Swedish hospitals. PA was measured for 1 week by the Actigraph GT3X+ accelerometer, and anthropometric measures were taken at home visits 3 months pre-surgery and 9 months postsurgery, thus limiting seasonal effects.

Results: Average BMI loss, 9 months postsurgery, was 11.7 (SD 2.7) BMI units. There were no significant pre- to postsurgery differences in PA or sedentary behavior. However, pre-surgery PA showed negative association with PA change and positive association with postsurgery PA. Adjustments for pre-surgery BMI had no impact on these associations.

Conclusions: No significant differences were observed in objectively measured changes in PA or time spent sedentary from 3 months pre-surgery to 9 months postsurgery among women undergoing RYGB. However, women with higher pre-surgery PA decreased their PA postsurgery while women with lower pre-surgery PA increased their PA.

Place, publisher, year, edition, pages
2015. Vol. 25, no 1, 119-125 p.
Keyword [en]
Physical activity, Roux-en-Y gastric bypass, RYGB, Accelerometer, Longitudinal
National Category
Surgery
Research subject
Surgery
Identifiers
URN: urn:nbn:se:oru:diva-42203DOI: 10.1007/s11695-014-1331-xISI: 000346781300017PubMedID: 24934315Scopus ID: 2-s2.0-84902234652OAI: oai:DiVA.org:oru-42203DiVA: diva2:783345
Funder
Novo Nordisk
Note

Funding Agencies:

Swedish Council for Working Life and Social Research 2008-0654

Stockholm County Council (ALF)

Karolinska Institutet Diabetes Theme center

National School in Caring Sciences at Karolinska Institutet (NFV)

Erling-Persson Family Foundation

Available from: 2015-01-26 Created: 2015-01-23 Last updated: 2015-01-26Bibliographically approved

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Raoof, Mustafa
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CiteExportLink to record
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Citation style
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