Cardiovascular surgery during the first wave of COVID-19 pandemic.

Background: In this study, we aimed to evaluate primary outcomes and main characteristics of emergency and elective/urgent cardiovascular surgeries which were performed in the first three months of the novel coronavirus disease 2019 (COVID-19) pandemic in our center.

Methods: Between March 11, 2020 and June 11, 2020, a total of 209 patients (44 males, 165 females; mean age: 57.3±12.