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Introduction: Obesity is linked with poor outcomes in patients with SARS-CoV-2 infection. In patients with BMI > 35 kg/m2, increased rates of hospital and subsequently ICU admissions have been noted. Bariatric surgery resulting in sustained weight loss is hypothesized to decrease the morbid outcomes associated with COVID. In this review, we update the evidence on the topic. Methods: An extensive literature search was conducted of electronic databases. Screening of the articles based on the eligibility criteria was followed by relevant data extraction. In addition to articles used in a previous meta-analysis, relevant databases were searched to filter for any new articles. Initially, two independent reviewers screened Pubmed and the Cochrane database followed by a thorough search of additional databases such as Google scholar and Medrxiv. Articles were first screened using title and abstract, followed by a full text read. Duplicates, meta-analysis, letter to the editors, and commentaries were excluded. No language restrictions were applied. Results: A total of nine articles with a population of 1,130,341 were entered into RevMan. Patients with bariatric surgery displayed significantly decreased hospitalization (OR: 0.52, 95% CI [0.45, 0.61]), were less likely to be admitted to the ICU (OR: 0.44, 95% CI [0.29, 0.67]), and had reduced overall mortality (OR: 0.42, 95% CI [0.25, 0.70]). Conclusion: Surgically induced weight loss is beneficial in reducing morbidity and mortality of COVID-19. |
