This Study will compare the accuracy of the ECOM Plus Endotracheal Cardiac Output Monitor (ECOM) without the use of the arterial pressure waveform from the arterial line to 1) the current clinical standard of cardiac output measured by intermittent room temperature bolus thermodilution using a PAC, 2) the current ECOM System with the use of the arterial blood pressure waveform from a radial arterial line and 3) the Flo-Trac® System.
This Study will compare the accuracy of the ECOM Plus Endotracheal Cardiac Output Monitor (ECOM) without the use of the arterial pressure waveform from the arterial line to 1) the current clinical standard of cardiac output measured by intermittent room temperature bolus thermodilution using a PAC, 2) the current ECOM System with the use of the arterial blood pressure waveform from a radial arterial line and 3) the Flo-Trac® System (Edwards LifeSciences).
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
DIAGNOSTIC
Masking
NONE
Enrollment
110
Measure cardiac output during perioperative period and compare to pulmonary artery catheter thermal dilution cardiac output measurement.
VA San Francisco
San Francisco, California, United States
Comparison of ECOM Plus impedance and thermal dilution cardiac output measurements
Correlation via linear regression between thermal dilution and ECOM Plus included as an "R" to coefficient. Cardiac output measured by thermal dilution and impedance cardiography. Management of the patients using standard thermal dilution derived CO measurement only. The ECOM Plus measurement output are for research purposes only and not to be used in the management of the patient. ECOM Plus impedance cardiography measured in the ICU when routine thermal dilution CO measurements are made. Continued impedance measurements until tracheal extubation.
Time frame: 6 months.
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