Blood flow assessment by arterial pressure wave without external calibration

Author

Romano, Simone ; Conti, Andrea ; Giglioli, C. ; Margheri, M. ; Valente, Sabrina ; Gensini, G. ; Conti, Andrea

Author_Institution

Dpt of Crit Care Med & Surg., Univ. of Florence, Florence

fYear

2006

fDate

17-20 Sept. 2006

Firstpage

293

Lastpage

296

Abstract

Beat by beat evaluation of cardiac index (CI) can be determined by the Pulse Contour Method (PCM), which however is limited by the need for external calibration. In our study we have evaluated the CI by the Pressure Recording Analytical Method (PRAM) based only on the changes of the pressure wave morphology. PRAM does not require external calibration and/or pre-estimated parameters. Aim of this study was to evaluate in 50 cardiac patients measurements of CI from the signal pressure obtained invasively (ascending aorta) and non- invasively (Finapres), by PRAM as compared to the routine clinical method(i.e. thermodilution).

Keywords

biological techniques; cardiology; haemodynamics; arterial pressure wave; ascending aorta; blood flow assessment; cardiac index; cardiac patients; noninvasively Finapres; pressure recording analytical method; pressure wave morphology; pulse contour method; routine clinical method; thermodilution; Arteries; Blood flow; Blood pressure; Calibration; Catheters; Fingers; Phase change materials; Phase change random access memory; Pulse measurements; Samarium;

fLanguage

English

Publisher

ieee

Conference_Titel

Computers in Cardiology, 2006

Conference_Location

Valencia

Print_ISBN

978-1-4244-2532-7

Type

conf

Filename

4511846