Evolution of depressive symptoms from before to 24 months after bariatric surgery: A systematic review and meta‐analysis

Author:

Woods Robbie12ORCID,Moga Ana M.134,Ribeiro Paula A. B.1,Stojanovic Jovana1,Lavoie Kim L.15,Bacon Simon L.16ORCID

Affiliation:

1. Montreal Behavioural Medicine Centre CIUSSS du Nord‐de‐l'Île‐de‐Montréal Montreal Quebec Canada

2. Department of Psychology Concordia University Montreal Quebec Canada

3. School of Physical and Occupational Therapy McGill University Montreal Quebec Canada

4. Centre for Outcomes Research and Evaluation McGill University Health Center‐Research Institute Montreal Quebec Canada

5. Department of Psychology University of Quebec at Montréal Montreal Quebec Canada

6. Department of Health, Kinesiology, and Applied Physiology Concordia University Montreal Quebec Canada

Abstract

SummaryAimsDepression after bariatric surgery can lead to suboptimal health outcomes. However, it is unclear how depressive symptoms evolve over the 24 months after surgery. We determined the extent depressive symptoms changed up to 24 months after bariatric surgery and how this was impacted by measurement tool and surgical procedure.MethodsWe conducted a systematic review and meta‐analysis, searching five databases from database inception to June 2021 for studies that prospectively measured depressive symptoms before and up to 24 months after bariatric surgery. Change scores were converted to Hedge's g, and analyses were performed using mixed‐effects models. Subgroup analyses examined differences across time of follow‐up, measurement tool, and surgical procedure.FindingsForty‐six studies met inclusion criteria (32,342 patients). Meta‐analysis indicated a postsurgical reduction in depressive symptom scores that were significant (large effect, g = 0.804; 95% CI: 0.73–0.88, I2 = 95.7%). Subgroup analyses found that symptom reductions did not differ between the timing of follow‐up periods, measurement tool, and surgical procedure.ConclusionsDepressive symptom scores reduced substantially following surgery; comparable decreases occurred 6 through 24 months after surgery. These findings can help inform practitioners of the typical evolution of depressive symptoms following surgery and where deviations from this may require additional intervention.

Funder

Canadian Institutes of Health Research

Canada Excellence Research Chairs, Government of Canada

Publisher

Wiley

Subject

Public Health, Environmental and Occupational Health,Endocrinology, Diabetes and Metabolism

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