Early in the COVID-19 pandemic, mortality rates were observed to exceed 25% in patients who developed postoperative SARS-CoV-2 infections.1 This prompted numerous perioperative structural and process changes to mitigate this risk.2,3 As the pandemic has progressed, the emergence of novel therapeutic and preventative measures have proven effective in decreasing the overall burden of SARS-CoV-2 infection. These advances likely reduce the risk in surgical patients; however, this has not been reexamined at a population level. This study reports 30-day adverse postoperative event rates in patients who develop postoperative COVID-19 and measures the impact of vaccination on these outcomes.
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This is a U.S. Government work and not under copyright protection in the US; foreign copyright protection may apply 2022