Cardiac surgery is at high risk of low cardiac output syndrome after procedure. Monitoring cardiac function, and especially cardiac output, is important to identify cardiovascular dysfunction and to introduce and adjust optimal therapies. Invasive monitor such as pulmonary arterial catheter or transpulmonary thermodilution provide precise measurements but need an invasive access to arterial and central venous route, with possible complications. Cardiographic bioimpedencemetry (Niccomo device, Imedex Corp) allows a non invasive measurement of cardiac output and some other parameters of cardiovascular function. Nevertheless, the reliability of this device has been little studied after cardiac surgery.
Study Type
OBSERVATIONAL
Enrollment
100
Niccomo monitoring added to pulmonary arterial catheter monitoring
Rouen University Hospital
Rouen, France
RECRUITINGagreement between cardiac outputs measured by Pulmonary Arterial Catheter (PAC) and Niccomo
Cardiac outputs and systolic ejection volumes are measured at 10 different time-points and agreement between the 2 devices are explored
Time frame: 48 hours
Systolic Time Ratio
Niccomo values at 10 different time-points
Time frame: 48 hours
Pre-ejection Period
Niccomo values at 10 different time-points
Time frame: 48 hours
Velocity Index
Niccomo values at 10 different time-points
Time frame: 48 hours
Left Ventricular Ratio
Niccomo values at 10 different time-points
Time frame: 48 hours
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