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| Main Authors: | , , , , , , |
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| Format: | Artículo Open Access |
| Published: |
Wiley
2025
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| Subjects: | |
| Online Access: | https://onlinelibrary.wiley.com/doi/10.1002/oby.70048 |
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Table of Contents:
- Long‐Term Benefit of Gastric Bypass Surgery on Fitness Taggert J. Barton McRae A. Bird Seth W. Rather Sheldon E. Litwin Ted D. Adams Steven C. Hunt Lance E. Davidson Obesity ABSTRACT Objective This study addressed the paucity of data exploring long‐term effects of metabolic and bariatric surgery (MBS)‐related weight loss on fitness. Methods Data from MBS patients (SURG; n = 82) and comparable non‐surgery participants (NSURG; n = 88) were collected from a subset of a prospective trial, the Utah Obesity Study. Fitness was assessed through maximal and submaximal treadmill tests using a modified Bruce protocol. Submaximal exercise tests were performed preceding surgery at baseline and 11.5 years later. A subset ( n = 97) of the 170 participants also performed maximal treadmill tests 2 and 6 years after baseline. Weight and BMI were recorded at each visit. Between‐group treadmill time comparisons were adjusted for sex and weight. Results As expected, SURG had lower BMI and weight than NSURG at all follow‐up visits ( p < 0.0001). Treadmill time, adjusted for sex, baseline treadmill time, and weight over the 11.5‐year period, was elevated in surgery compared to non‐surgery groups at all follow‐up visits ( p < 0.01), but the fitness advantage gradually decreased over time. Conclusions An initially dramatic fitness benefit achieved with weight loss in MBS patients gradually declined but remained higher than non‐surgery counterparts beyond a decade. An emphasis on physical activity may help sustain improved fitness after bariatric surgery. image 10.1002/oby.70048 http://onlinelibrary.wiley.com/termsAndConditions#vor