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16-05-2024 | Sleeve Gastrectomy | Original Contributions

Sleeve Gastrectomy is Associated with Longitudinal Improvements in Lung Function and Patient-Reported Respiratory Outcomes

Authors: Vasundhara Mathur, Mehran Karvar, Tammy Lo, Benjamin A. Raby, Ali Tavakkoli, Damien C. Croteau-Chonka, Eric G. Sheu

Published in: Obesity Surgery | Issue 7/2024

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Abstract

Purpose

Obesity exerts negative effects on pulmonary function through proven mechanical and biochemical pathways. Multiple studies have suggested that bariatric surgery can improve lung function. However, the timing of these effects on lung function and its association with patient reported outcomes is not known.

Materials and Methods

A prospective cohort study of patients undergoing laparoscopic sleeve gastrectomy (LSG) at a tertiary care hospital was undertaken. Spirometry tests, laboratory tests, and self-reported questionnaires on asthma symptoms and asthma control (ACQ and ACT) were administered. All data were recorded pre-operatively (T0) and every 3 months post-operatively for 1 year (T3, T6, T9, T12) and were compared using a mixed-models approach for repeated measures.

Results

For the 23 participants, mean age was 44.2 ± 12.3 years, mean BMI was 45.2 ± 7.2 kg/m2, 18(78%) were female, 9(39%) self-reported as non-white and 6(26%) reported to have asthma. Following LSG, % total body weight loss was significant at all follow-up points (P < 0.0001). Rapid improvement in forced expiratory volume (FEV)% predicted and forced vital capacity (FVC)% predicted was seen at T3. Although the overall ACQ and ACT score remained within normal range throughout the study, shortness of breath declined significantly at 3 months post-op (P < 0.05) and wheezing resolved for all patients by twelve months. Patients also reported reduced frequency of sleep interruption and inability to exercise by the end of the study (P < 0.05).

Conclusion

Improvements in objective lung function assessments and patient-reported respiratory outcomes begin as early as 3 months and continue until 12 months after sleeve gastrectomy.

Graphical Abstract

Appendix
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Literature
26.
go back to reference Gabrielsen AM, Lund MB, Kongerud J, et al. Pulmonary function and blood gases after gastric bypass and lifestyle intervention: a comparative study: pulmonary function and weight loss. Clin Obes. Published online August 2013:n/a-n/a. https://doi.org/10.1111/cob.12024. Gabrielsen AM, Lund MB, Kongerud J, et al. Pulmonary function and blood gases after gastric bypass and lifestyle intervention: a comparative study: pulmonary function and weight loss. Clin Obes. Published online August 2013:n/a-n/a. https://​doi.​org/​10.​1111/​cob.​12024.
Metadata
Title
Sleeve Gastrectomy is Associated with Longitudinal Improvements in Lung Function and Patient-Reported Respiratory Outcomes
Authors
Vasundhara Mathur
Mehran Karvar
Tammy Lo
Benjamin A. Raby
Ali Tavakkoli
Damien C. Croteau-Chonka
Eric G. Sheu
Publication date
16-05-2024
Publisher
Springer US
Published in
Obesity Surgery / Issue 7/2024
Print ISSN: 0960-8923
Electronic ISSN: 1708-0428
DOI
https://doi.org/10.1007/s11695-024-07274-6

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