Variables | Description |
---|---|
Age | – |
Female | – |
BMI | Body mass index |
BSA(m2) | Body surface area |
Diabetes mellitus | Documented past history or fulfilled the criteria of WHO 1999 |
Hypertension | Documented past history or SBP > 140 mmHg and/or DBP > 90 mmHg |
eGFR | Estimated glomerular filtration rate |
CKD | Documented past history or fulfilled the criteria of KDIGO 2012 |
Dialysis | Documented past history |
COPD | Long-term use of bronchodilators or steroids for lung disease |
Previous stroke | Documented past history of coma ≥ 24 h or central nervous system dysfunction ≥ 72 h |
Extracardiac arteriopathy | Any one or more of the following: claudication, carotid occlusion or > 50% stenosis, previous or planned intervention on the abdominal aorta, and limb arteries or carotids |
NYHA III or IV | NYHA classification |
Arrhythmia | Atrial fibrillation, flutter or atrioventricular block within 2 weeks before operation |
Critical status | Any one or more of the following occurring preoperatively: ventricular tachycardia or fibrillation or aborted sudden death; cardiac massage; ventilation before arrival in the anaesthetic room; inotropes; intra-aortic balloon counterpulsation or ventricular-assist device before arrival in the anaesthetic room; acute renal failure (anuria or oliguria < 10 ml/h) |
Previous myocardial infarction | Documented past history |
Previous cardiac surgery | One or more previous major cardiac operation involving opening the pericardium |
LVEF | Assessed by echocardiography (measured before surgery) |
Left main stenosis | Left main coronary artery stenosis > 50% |
AS | Assessed by echocardiography (measured before surgery) |
Severe AI | Assessed by echocardiography (measured before surgery) |
MS | Assessed by echocardiography (measured before surgery) |
Severe MI | Assessed by echocardiography (measured before surgery) |
Severe TI | Assessed by echocardiography (measured before surgery) |
RHD | Documented past history |
Endocarditis | Documented past history |
Non-elective surgery | Not routine admission for operation |
Aortic aneurysm operation | Combined with aortic aneurysm (or dissecting aneurysm) operation |
CABG | Combined with CABG operation |