• Annals of surgery · May 2024

    Preoperative COVID-19 Vaccination is Associated with Decreased Perioperative Mortality after Major Vascular Surgery.

    • Molly Ratner, Karan Garg, Heepeel Chang, Anjali Nigalaye, Steven Medvedovsky, Glenn Jacobowitz, Jeffrey J Siracuse, Virendra Patel, Marc Schermerhorn, Charles DiMaggio, and Caron B Rockman.
    • Division of Vascular and Endovascular Surgery, Department of Surgery, New York University Langone Medical Center, New York, NY.
    • Ann. Surg. 2024 May 10.

    ObjectiveThe objective of this study was to examine the effect of corona virus 2019 (COVID-19) vaccination on perioperative outcomes after major vascular surgery.Background DataCOVID-19 vaccination is associated with decreased mortality in patients undergoing various surgical procedures. However, the effect of vaccination on perioperative mortality after major vascular surgery is unknown.MethodsThis is a multicenter retrospective study of patients who underwent major vascular surgery between December 2021 through August 2023. The primary outcome was all-cause mortality within 30 days of index operation or prior to hospital discharge. Multivariable models were used to examine the association between vaccination status and the primary outcome.ResultsOf the total 85,424 patients included, 19161 (22.4%) were unvaccinated. Unvaccinated patients were younger compared to vaccinated patients (mean age 68.44 +/- 10.37 y vs 72.11 +/- 9.20 y, P <0.001) and less likely to have comorbid conditions, including hypertension, congestive heart failure, chronic obstructive pulmonary disease, and dialysis. After risk factor adjustment, vaccination was associated with decreased mortality (OR 0.7, 95% CI 0.62 - 0.81, P <0.0001). Stratification by procedure type demonstrated that vaccinated patients had decreased odds of mortality after open AAA (OR 0.6, 95% CI 0.42-0.97, P =0.03), EVAR (OR 0.6, 95% CI 0.43-0.83, p 0.002), CAS (OR 0.7, 95% CI 0.51-0.88, P =0.004) and infra-inguinal lower extremity bypass (OR 0.7, 95% CI 0.48-0.96, P =0.03).ConclusionsCOVID-19 vaccination is associated with reduced perioperative mortality in patients undergoing vascular surgery. This association is most pronounced for patients undergoing aortic aneurysm repair, carotid stenting and infrainguinal bypass.Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.

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