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Intervention-related increases in preoperative physical activity are maintained 6-months after Bariatric surgery: results from the bari-active trial

International Journal of Obesity volume 41, pages 467–470 (2017)Cite this article

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Abstract

Higher preoperative physical activity (PA) strongly predicts higher post-operative PA in bariatric surgery (BS) patients, providing rationale for preoperative PA interventions (PAIs). However, whether PAI-related increases can be maintained post-operatively has not been examined. This study compared PA changes across pre- (baseline, post-intervention) and post-operative (6-month follow up) periods in participants randomized to 6 weeks of preoperative PAI or standard care control (SC). Of 75 participants initially randomized, 36 (PAI n=22; SC n=14) underwent BS. Changes in daily bout-related (⩾10-min bouts) moderate-to-vigorous PA (MVPA) and steps were assessed via the SenseWear Armband monitor. PAI received weekly counseling to increase walking exercise. Retention (86%) at post-operative follow up was similar between groups. Intent-to-treat analyses showed that PAI vs SC had greater increases across time (baseline, post-intervention, follow up) in bout-related MVPA minutes/day (4.3±5.1, 26.3±21.3, 28.7±26.3 vs 10.4±22.9, 11.4±16.0, 18.5±28.2; P=0.013) and steps/day (5163±2901, 7950±3286, 7870±3936 vs 5163±2901, 5601±3368, 5087±2603; P<0.001). PAI differed from SC on bout-related MVPA at post-intervention (P=0.016; d=0.91), but not follow up (P=0.15; d=0.41), and steps at post-intervention (P=0.031; d=0.78) and follow up (P=0.024; d=0.84). PAI participants maintained preoperative PA increases post-operatively. Findings support preoperative PAIs and research to test whether PA changes can be sustained and influence surgical outcomes beyond the initial post-operative period.

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Acknowledgements

This work was supported by NIH grant DK083438 (PI: Bond).

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Authors and Affiliations

  1. Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University/The Miriam Hospital Weight Control and Diabetes Research Center, Providence, RI, USA

    D S Bond, J G Thomas, J Unick & J Webster

  2. Department of Surgery, Alpert Medical School of Brown University/The Miriam Hospital, Providence, RI, USA

    S Vithiananthan, G D Roye & B A Ryder

  3. Department of Surgery, Cedars-Sinai Medicine, Hollywood, CA, USA

    H C Sax

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  1. D S Bond
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  6. G D Roye
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  7. B A Ryder
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  8. H C Sax
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Correspondence to D S Bond.

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Bond, D., Thomas, J., Vithiananthan, S. et al. Intervention-related increases in preoperative physical activity are maintained 6-months after Bariatric surgery: results from the bari-active trial. Int J Obes 41, 467–470 (2017). https://doi.org/10.1038/ijo.2016.237

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