Table 1 Definitions of postoperative complications
Complications | Requirements for acceptance |
|---|---|
Cardiac insufficiency | Requirement of inotropic support for more than 24 hours or intra-aortic balloon pump support or both |
Arrhythmia | New-onset arrhythmia confirmed by 12-lead electrocardiogram and necessitated medical treatment or electroversion or both |
Myocardial infarction | Increase of troponin T concentration above the hospital laboratory's myocardial infarction threshold and either new Q waves (duration of at least 0.03 seconds) or persistent changes (4 days) in ST-T segment |
Respiratory insufficiency | Requirement of mechanical ventilation for more than 24 hours |
Stroke | Appearance of persisted new focal neurologic deficit and confirmed by neurologic imaging study |
Sepsis | Two or more of systemic inflammatory response syndrome criteria, with known or suspected evidence of infection |
Pleural effusion | Confirmed by chest x-ray film and necessitated aspiration or surgical drainage |
Surgical bleeding | Requirement of reoperation to stop bleeding |