The risk of postoperative complications following major elective surgery in active or resolved COVID-19 in the United States – Major, elective surgery 0–4 weeks after Covid-19 is associated with greatly increased risk of postoperative complications; surgery performed 4–8 weeks after infection is still associated with an increased risk of pneumonia.

The Risk of Postoperative Complications following Major Elective Surgery in Active or Resolved COVID-19 in the United States – Annals of Surgery

Related:

Guideline: SARS‐CoV‐2 infection, COVID‐19 and timing of elective surgery

Study from 116 countries suggests surgery should be delayed for at least seven weeks following a COVID-19 diagnosis to reduce mortality risk

ASA Guidance: Preoperative testing for COVID-19 is essential, regardless of vaccination.

Position statement: Perioperative management of post-COVID-19 surgical patients.

Cohort study: Postoperative in-hospital mortality of patients with COVID-19 infection was more than double that in patients without COVID-19