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 |
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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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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.</description><identifier>ISSN: 0090-6964</identifier><language>eng</language><subject>Bioelectric phenomena ; Curve fitting ; Electric conductivity ; Electric impedance ; Hemodynamics ; Mathematical models ; Patient monitoring ; Pediatrics ; Pressure ; Resistors</subject><ispartof>Annals of biomedical engineering, 2000-01, Vol.28 (SUPPL. 1), p.S-63</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,782,786</link.rule.ids></links><search><creatorcontrib>Sharp, MKeith</creatorcontrib><creatorcontrib>Pantalos, George M</creatorcontrib><creatorcontrib>Minich, LuAnn</creatorcontrib><creatorcontrib>Tani, Lloyd Y</creatorcontrib><creatorcontrib>McGough, Edwin C</creatorcontrib><title>Modeling of pediatric aortic input impedance</title><title>Annals of biomedical engineering</title><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. 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C increased with increasing patient weight and was 3-16 times lower than adult values.</description><subject>Bioelectric phenomena</subject><subject>Curve fitting</subject><subject>Electric conductivity</subject><subject>Electric impedance</subject><subject>Hemodynamics</subject><subject>Mathematical models</subject><subject>Patient monitoring</subject><subject>Pediatrics</subject><subject>Pressure</subject><subject>Resistors</subject><issn>0090-6964</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNotjMtqwzAQRbVooWnSf_Cqqxo0HlmPZQh9QUI22YeRPQ4KjuVY8v_XpV2dC-dyHsRKSidL7bR6Es8pXaUEsFivxNshttyH4VLErhi5DZSn0BQUp7wgDOOci3BbBA0Nb8RjR33il3-uxenj_bT7KvfHz-_ddl-OzuXSEJBiqpjQU2fIk1SAaGvnbN0ZNojI2msPlVXsrVU1NC0apdH9blyL17_sOMX7zCmfbyE13Pc0cJzTuYLlBWDwB5_sPdQ</recordid><startdate>20000101</startdate><enddate>20000101</enddate><creator>Sharp, MKeith</creator><creator>Pantalos, George M</creator><creator>Minich, LuAnn</creator><creator>Tani, Lloyd Y</creator><creator>McGough, Edwin C</creator><scope/></search><sort><creationdate>20000101</creationdate><title>Modeling of pediatric aortic input impedance</title><author>Sharp, MKeith ; Pantalos, George M ; Minich, LuAnn ; Tani, Lloyd Y ; McGough, Edwin C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p99t-7a1a4ea2ea3baf7aba04133859985f7e7333e6b6b1284eb88451cd37463984513</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Bioelectric phenomena</topic><topic>Curve fitting</topic><topic>Electric conductivity</topic><topic>Electric impedance</topic><topic>Hemodynamics</topic><topic>Mathematical models</topic><topic>Patient monitoring</topic><topic>Pediatrics</topic><topic>Pressure</topic><topic>Resistors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sharp, MKeith</creatorcontrib><creatorcontrib>Pantalos, George M</creatorcontrib><creatorcontrib>Minich, LuAnn</creatorcontrib><creatorcontrib>Tani, Lloyd Y</creatorcontrib><creatorcontrib>McGough, Edwin C</creatorcontrib><jtitle>Annals of biomedical engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sharp, MKeith</au><au>Pantalos, George M</au><au>Minich, LuAnn</au><au>Tani, Lloyd Y</au><au>McGough, Edwin C</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Modeling of pediatric aortic input impedance</atitle><jtitle>Annals of biomedical engineering</jtitle><date>2000-01-01</date><risdate>2000</risdate><volume>28</volume><issue>SUPPL. 1</issue><spage>S</spage><epage>63</epage><pages>S-63</pages><issn>0090-6964</issn><abstract>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.</abstract></addata></record> |
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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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