[Coronavirus infection and risk of postoperative venous thromboembolic events].

Objective: To determine whether patients with perioperative or previous coronavirus infection (CVI) have a greater risk of venous thromboembolic events VTE).

Material And Methods: A multiple-center regional prospective retrospective cohort study included elective and emergency patients who underwent surgery in November 2020. The primary endpoint was VTE (PE/DVT) within 30 days after surgery.

[How long must be an elective surgery delayed after SARS-COV-2 diagnosis? (Multiple-center regional research)].

Objective: To determine the optimal postponement period for elective surgery in patients with SARS-COV-2 infection.

Material And Methods: A multiple-center regional prospective cohort research included patients who underwent elective surgeries in November, 2020. We compared the outcomes in patients with preoperative COVID-19 and those without infection.