Goal of the Study is to Study the precision of semi-invasive cardiac index monitoring by means of the ProAQT (PULSION Medical Systems SE) sensor, whereby the pulmonary artery catheter will serve as gold standard.
Goal of the Study is to Study the precision of semi-invasive cardiac index monitoring by means of the ProAQT (PULSION Medical Systems SE) sensor, whereby the pulmonary artery catheter will serve as gold standard. Measurements will be performed contemporaly with both devices every 4 hours and all clinical and hemodynmaic parameters will be recorded, including but not limited to central venous pressure, wege pressure, mechanical ventilation pressures, blood pressures, volume balance as well as vasoaktive medikation doses. This precise evaluation shall serve to evaluate the precision of the ProAQT to estimate the cardiac index under different clinical situation in the intensive care unit. A precision difference of below 30% between both methods will be regarded as clinically irrelevant, suggesting equipoise between both methods.
Study Type
OBSERVATIONAL
Enrollment
42
Semiinvasive Measurement of the Cardiac Output/ Cardiac Index with the Pulsion device
University Hospital Zurich, Medical intensive care unit
Zurich, Canton of Zurich, Switzerland
Bias of proAQT measurement
Bias between the Pulsion CI measurement and the gold standard CI measurement by Pulmonary artery catheterisation
Time frame: 51 Hours
Percentage Error of CI Measurement
Percentage Error of CI Measurement between Pulsion and PAC measurement
Time frame: 51 Hours
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