patient refusal
age less than 40 or over 80 years
combined surgical procedures
emergency surgery
Left ventricular ejection fraction less than 50 per cent
calculated creatinine clearance less than 60 mL per minute

NCT01715584_exc_T1
Observation
patient refusal
NCT01715584_exc_T2
Person
age
NCT01715584_exc_T3
Value
less than 40
NCT01715584_exc_T4
Value
over 80 years
NCT01715584_exc_T5
Scope
less than 40 or over 80 years
NCT01715584_exc_T6
Procedure
combined surgical procedures
NCT01715584_exc_T7
Procedure
emergency surgery
NCT01715584_exc_T8
Measurement
Left ventricular ejection fraction
NCT01715584_exc_T9
Value
less than 50 per cent
NCT01715584_exc_T10
Measurement
calculated creatinine clearance
NCT01715584_exc_T11
Value
less than 60 mL per minute