Abstract
Monitoring of Cardiac Output (CO) is of paramount importance in the critical patient. Established methods used to measure CO, such as oxygen Fick approach and thermodilution, are invasive and do not allow continuous monitoring. In addition, they are not reliable in the hemodynamically instable patient and suffer several technical drawbacks. Alternative methods are available, such as the Pulse Contour Method, but are dependent upon external calibration to evaluate cardiac activity. Recently, the Pressure Recording Analytical Method (PRAM) has been developed: it allows a more complete and detailed analysis of pressure morphology and "beat-to-beat" measurement of the stroke volume (SV) without external calibration. The basic principle of PRAM algorithm is the ability of detecting interactions between the cardiac and circulatory system, and therefore of calculating a new parameter, describing the work expenditure of cardiovascular system strictly correlated to SV, the Cardiac Cycle Efficiency (CCE). PRAM is becoming a promising alternative to traditional techniques, and may expand the potential applications of hemodynamic monitoring in clinical practice.
Keywords: pulse contour method (PCM), Cardiac Cycle Efficiency (CCE), accelerated idioventricular rhythm (AIR), thermodilution, aortic pressure
Current Cardiology Reviews
Title: Minimally Invasive and Noninvasive Hemodynamic Monitoring of the Cardiovascular System: Available Options and Future Perspectives
Volume: 2 Issue: 1
Author(s): Salvatore M. Romano, Iacopo Olivotto, Marco Chiostri, Cristina Giglioli, Massimo Margheri and Gian F. Gensini
Affiliation:
Keywords: pulse contour method (PCM), Cardiac Cycle Efficiency (CCE), accelerated idioventricular rhythm (AIR), thermodilution, aortic pressure
Abstract: Monitoring of Cardiac Output (CO) is of paramount importance in the critical patient. Established methods used to measure CO, such as oxygen Fick approach and thermodilution, are invasive and do not allow continuous monitoring. In addition, they are not reliable in the hemodynamically instable patient and suffer several technical drawbacks. Alternative methods are available, such as the Pulse Contour Method, but are dependent upon external calibration to evaluate cardiac activity. Recently, the Pressure Recording Analytical Method (PRAM) has been developed: it allows a more complete and detailed analysis of pressure morphology and "beat-to-beat" measurement of the stroke volume (SV) without external calibration. The basic principle of PRAM algorithm is the ability of detecting interactions between the cardiac and circulatory system, and therefore of calculating a new parameter, describing the work expenditure of cardiovascular system strictly correlated to SV, the Cardiac Cycle Efficiency (CCE). PRAM is becoming a promising alternative to traditional techniques, and may expand the potential applications of hemodynamic monitoring in clinical practice.
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Cite this article as:
Romano M. Salvatore, Olivotto Iacopo, Chiostri Marco, Giglioli Cristina, Margheri Massimo and Gensini F. Gian, Minimally Invasive and Noninvasive Hemodynamic Monitoring of the Cardiovascular System: Available Options and Future Perspectives, Current Cardiology Reviews 2006; 2 (1) . https://dx.doi.org/10.2174/157340306775515308
DOI https://dx.doi.org/10.2174/157340306775515308 |
Print ISSN 1573-403X |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6557 |
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