The optimal timing of breast cancer surgery after COVID-19 infection: an observational study.

Purpose: It is controversial for the optimal time of breast cancer surgery after COVID-19 infection. Purpose was to assess the risk of postoperative complication in breast cancer patients with COVID-19 infection, in order to select optimal surgery timing after COVID-19 infection.

Methods: Breast cancer patients infected with COVID-19 and performed surgery between December 20th, 2022 to March 20th, 2023 were included in this prospective study (n = 577).

[Myocardial protective effect of ulinastatin against ischemia/reperfusion injury during open heart surgery with cardiopulmonary bypass].

Objective: To investigate the protective effect of ulinastatin on myocardium against ischemia-reperfusion injury in open heart surgery with cardiopulmonary bypass (CPB).

Methods: Twenty ASA I-II patients undergoing atrioseptopexy or surgical repair of ventricular septal defect under CPB were randomly divided into two groups of 10 patients. The patients in the ulinastatin group (U), 5 males and 5 females, aged 6.