A Retrospective Cohort Study for Main Postoperative Complications After SARS-CoV-2 Infection

Main Postoperative Complications After SARS-CoV-2 Infection: A Retrospective Cohort Study

To explore the relationship between SARS-CoV-2 infection in different time before operation and postoperative main complications (mortality, main pulmonary and cardiovascular complications) 30 days after operation; To determine the best timing of surgery after SARS-CoV-2 infection.

Inclusion Criteria:

• Age≥18 years;
• Patients undergoing any type of surgery in operating room.

Exclusion Criteria:

• Surgery under local anesthesia (without participation of anesthetist)
• Surgery outside the operating room, such as gastrointestinal endoscopy, puncture biopsy, etc
• Patients who cannot determine whether they have had SARS CoV-2 infection before surgery.