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This study evaluated the prevalence and risk factors of COVID-19 associated with bariatric surgery (BS) in 738 patients by comparing characteristics at baseline, 1-year post–BS and at the time of lockdown in BS patients with COVID-19–likely events (based on reported symptoms) and those without events. COVID-19 events occurred in 62 patients, 4 of whom had severe COVID-19 and 1 patient died; these patients had a higher proportion of persistent type 2 diabetes (T2D), lower BMI, and more weight loss since BS. Severe COVID-19 was associated with persistent T2D.
This study found an association of COVID-19 events with persistent T2D and lower BMI in post–BS patients.
This abstract is available on the publisher's site.
Obesity is a major risk factor of severe forms of COVID-19 but little is known about the post bariatric surgery (BS) setting. We assessed the prevalence of likely COVID-19 and its risk factors in patients followed-up after BS.
We surveyed 738 patients who underwent BS and were followed-up at our university medical centre. A retrospective comparison of characteristics at baseline, one- year post BS and at the time of lockdown was performed between patients with a COVID-19 likely event (CL) based on a combination of reported symptoms vs. those for whom it was unlikely (CU).
CL occurred in 62 (8.4%) patients among whom 4 (6.4%) had severe form requiring hospitalization and 1 (1.6%) died. The CL group had a higher proportion of persistent type 2 diabetes (T2D) at last follow-up (36.2% vs. 20.3%, p=0.01). BMI at the time of lockdown was lower in the CL group (30.2 ± 5.1 vs. 32.8 ± 6.5 kg/m2 ; p<0.01) with higher percent weight loss since BS in the CL group. Severe forms of COVID-19 requiring hospitalization were associated with persistent T2D at last follow-up visit.
In post-bariatric patients, COVID-19 likely events were associated with persistent T2D and lower BMI.