Swan Ganz catheter-Edwards Lifesciences obtains values of cardiac output/index and systemic vascular resistance/index using the mean artery pressure of either radial or femoral artery. During weaning from extracorporeal circulation, arterial waveform-derived cardiac output measurements from radial cannulation site is not reliable as compared with measurements obtained from femoral cannulation site.
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Cardiac output
Timeframe: 5 minutes after weaning from extracorporeal circulation (ECC)
Prediction of hypotension episode (HPI)
Timeframe: 5 minutes after weaning from ECC
Systemic Vascular resistance (SVR)
Timeframe: 5 minutes after weaning from ECC