Thermodilution vs pressure recording analytical method in hemodynamic stabilized patients
Abele Donati1, Andrea Carsetti1, Stefania Tondi1
1Anesthesia and Intensive Care Unit, Department of Biomedical Sciences and Public Health, Università Politecnica delle Marche, via Tronto 10/A, 60126, Ancona, Italy.
The Pressure Recording Analytical Method (PRAM) system demonstrates good agreement with pulmonary artery catheter and PiCCO for cardiac output monitoring in stable patients. This finding supports PRAM as a reliable tool for assessing cardiac output in critical care settings.
Area of Science:
- Critical Care Medicine
- Cardiovascular Physiology
- Medical Device Technology
Background:
- Cardiac output (CO) monitoring is crucial for managing critically ill patients.
- Mini-invasive devices offer alternatives to traditional methods like pulmonary artery catheters.
- The Pressure Recording Analytical Method (PRAM) is one such emerging technology.
Purpose of the Study:
- To evaluate the agreement of the PRAM system with established CO monitoring methods.
- Specifically, to compare PRAM against intermittent and continuous transpulmonary thermodilution (TP-CO) and PiCCO.
- To assess PRAM's accuracy in hemodynamically stabilized intensive care unit (ICU) patients.
Main Methods:
- Prospective clinical study conducted in mixed medical-surgical and postcardiac surgical ICUs.
- Forty-eight adult patients were enrolled.
- CO measurements were obtained using PRAM, PiCCO, and Vigilance systems.
Main Results:
- PRAM showed strong correlation with PiCCO (r=0.91) and Vigilance (r=0.83) in CO measurement.
- Percentage error for PRAM vs. PiCCO was 28%, and PRAM vs. Vigilance was 25%.
- Bias and limits of agreement indicated acceptable concordance between PRAM and reference methods.
Conclusions:
- The PRAM system exhibits good agreement with pulmonary artery catheter and PiCCO.
- PRAM is a potentially reliable method for CO monitoring in hemodynamically stabilized patients.
- Further validation in diverse patient populations may be warranted.
More Related Videos
07:51Standardized Hemorrhagic Shock Induction Guided by Cerebral Oximetry and Extended Hemodynamic Monitoring in Pigs
Published on: May 21, 2019
06:22Surfactant Depletion Combined with Injurious Ventilation Results in a Reproducible Model of the Acute Respiratory Distress Syndrome ARDS
Published on: April 7, 2021
Related Concept Videos
01:30Equipments Used To Measure Blood Pressure
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
01:23Assessment of blood pressure in brachial artery(two-step method)
01:21Sites for measuring blood pressure
The Brachial Artery: Primary Site for Blood Pressure Measurement
01:19Assessing Blood pressure using a doppler ultrasound
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
01:28Special considerations while measuring blood pressure
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
01:17Measurement of Blood Pressure