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Bariatric surgery is one of the most effective treatments for patients with severe and complex obesity. Lifestyle modifications in diet and exercise habits have long been important adjunct to the long-term success after bariatric surgery. The effect of the COVID-19 pandemic on the postoperative bariatric patient is not well understood. We sought to evaluate the impact the COVID-19 pandemic on postoperative weight loss at 1 year in a bariatric cohort. All patients who underwent bariatric surgery from January 1, 2020, to March 12, 2020, were included. Patients who underwent bariatric surgery during the same period of the two preceding years (2018 and 2019) were included as control groups. Primary end point was %EBMIL at 1 year. A telephone survey was administered to all patients from 2020 to assess for their perception on the effects of the COVID-19 pandemic on weight loss. A total of 596 patients were included: 181 from 2020, 199 from 2019, and 216 from 2018. The response rate was 97% and 53.4% of patients reported that the lockdown affected their ability to lose weight. The %EBMIL at 1 year was 64.1%, 63.7%, and 68.1% for 2020, 2019, and 2018, respectively. There was no difference in weight loss at 1 year (p = 0.77) despite a decrease in exercise activity in those who had surgery just before the pandemic. There was no difference in target weight loss at 1 year in a cohort who underwent bariatric surgery before the pandemic. © 2021. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.


Xavier Pereira, Gustavo Romero-Velez, John P Skendelas, Jorge Humberto Rodriguez-Quintero, Rachel Grosser, Diego L Lima, Erin Moran-Atkin, Jenny Choi, Diego Camacho. The COVID-19 Pandemic Did Not Affect Target Weight Loss 1 Year Post Bariatric Surgery. Obesity surgery. 2021 Nov;31(11):4926-4932

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PMID: 34417939

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