The investigators aimed to investigate postoperative complications associated with Swan-Ganz Catheter based on the clinical data of Wuhan Union Hospital and Wuhan Asian heart hospital for 10 years, including major cardiovascular, respiratory adverse events, ICU time, mechanical ventilation time, length of hospital stay, in-hospital mortality, and 30-day postoperative mortality events.

Inclusion Criteria:

• Over 18 years old;
• Patients undergoing major cardiac surgery under general anesthesia;
• Patients with complete sex, age, use of floating catheter and prognosis data

Exclusion Criteria:

• ASA grade V and above;
• End stage renal disease requiring (or undergoing) renal replacement therapy;
• Pregnant or lactating women

Adults undergoing cardiac surgery

If the patient's privacy information is not involved, you can contact the research team by email to obtain data (yaoshanglong@hust.edu.cn)