Modeling of pediatric aortic input impedance

Input impedance was calculated from flow and pressure waveforms recorded from the ascending aortas of six pediatric patients ranging in age from 1 to 4 years and weight from 7.2 to 6.4 kg. Impedance curve fits were compared for two four-element lumped parameter models and the three-element modified...

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Veröffentlicht in:Annals of biomedical engineering 2000-01, Vol.28 (SUPPL. 1), p.S-63
Hauptverfasser: Sharp, MKeith, Pantalos, George M, Minich, LuAnn, Tani, Lloyd Y, McGough, Edwin C
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container_issue SUPPL. 1
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container_title Annals of biomedical engineering
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creator Sharp, MKeith
Pantalos, George M
Minich, LuAnn
Tani, Lloyd Y
McGough, Edwin C
description Input impedance was calculated from flow and pressure waveforms recorded from the ascending aortas of six pediatric patients ranging in age from 1 to 4 years and weight from 7.2 to 6.4 kg. Impedance curve fits were compared for two four-element lumped parameter models and the three-element modified Windkessel model. The results suggested that Rp developed more rapidly with patient weight than did Rc. C increased with increasing patient weight and was 3-16 times lower than adult values.
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source SpringerNature Journals
subjects Bioelectric phenomena
Curve fitting
Electric conductivity
Electric impedance
Hemodynamics
Mathematical models
Patient monitoring
Pediatrics
Pressure
Resistors
title Modeling of pediatric aortic input impedance
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