Interaction between the rigt heart ventricle and its arterial load: a quantitative solution
H. Piene Piene and Sund (Cardiovasc. Res., 1980) have recently demonstrated that the performance of the ventricle can be expressed by relating the principal variables pressure (P), volume (V), and time after onset of contraction (t): P = function (V,t). The function can be mapped experimentally as a...
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| Veröffentlicht in: | American journal of physiology. Heart and circulatory physiology 1980-06, Vol.238 (6), p.H932-H937 |
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| container_end_page | H937 |
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| container_issue | 6 |
| container_start_page | H932 |
| container_title | American journal of physiology. Heart and circulatory physiology |
| container_volume | 238 |
| creator | Piene, H |
| description | H. Piene
Piene and Sund (Cardiovasc. Res., 1980) have recently demonstrated that the
performance of the ventricle can be expressed by relating the principal
variables pressure (P), volume (V), and time after onset of contraction
(t): P = function (V,t). The function can be mapped experimentally as a
three-dimensional surface, denoted the PVt surface, and can thereafter be
approximated by an empirical equation. The vascular load of the ventricle
is defined by the arterial input impedance vs. frequency graph, Z(f), which
can be converted to the time domain by inverse Fourier transformation. This
report describes how flow and pressure generated by the ventricle can be
calculated when the independent expressions for the ventricle and for the
load are given. The method is applied on right ventricular contractions of
isolated cat hearts, and excellent fit between calculated and observed flow
and pressure curves was obtained. |
| doi_str_mv | 10.1152/ajpheart.1980.238.6.H932 |
| format | Article |
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Piene and Sund (Cardiovasc. Res., 1980) have recently demonstrated that the
performance of the ventricle can be expressed by relating the principal
variables pressure (P), volume (V), and time after onset of contraction
(t): P = function (V,t). The function can be mapped experimentally as a
three-dimensional surface, denoted the PVt surface, and can thereafter be
approximated by an empirical equation. The vascular load of the ventricle
is defined by the arterial input impedance vs. frequency graph, Z(f), which
can be converted to the time domain by inverse Fourier transformation. This
report describes how flow and pressure generated by the ventricle can be
calculated when the independent expressions for the ventricle and for the
load are given. The method is applied on right ventricular contractions of
isolated cat hearts, and excellent fit between calculated and observed flow
and pressure curves was obtained.</description><identifier>ISSN: 0363-6135</identifier><identifier>ISSN: 0002-9513</identifier><identifier>EISSN: 1522-1539</identifier><identifier>DOI: 10.1152/ajpheart.1980.238.6.H932</identifier><identifier>PMID: 7386654</identifier><language>eng</language><publisher>United States</publisher><subject>Animals ; Cats ; Heart - physiology ; Hemodynamics ; Mathematics ; Models, Biological ; Myocardial Contraction ; Space life sciences</subject><ispartof>American journal of physiology. Heart and circulatory physiology, 1980-06, Vol.238 (6), p.H932-H937</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c1964-5d4b675deb06bf9e40e6caaf02c7be7f2450f77f49a9f1c9a657d79d5c5337773</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/7386654$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Piene, H</creatorcontrib><title>Interaction between the rigt heart ventricle and its arterial load: a quantitative solution</title><title>American journal of physiology. Heart and circulatory physiology</title><addtitle>Am J Physiol</addtitle><description>H. Piene
Piene and Sund (Cardiovasc. Res., 1980) have recently demonstrated that the
performance of the ventricle can be expressed by relating the principal
variables pressure (P), volume (V), and time after onset of contraction
(t): P = function (V,t). The function can be mapped experimentally as a
three-dimensional surface, denoted the PVt surface, and can thereafter be
approximated by an empirical equation. The vascular load of the ventricle
is defined by the arterial input impedance vs. frequency graph, Z(f), which
can be converted to the time domain by inverse Fourier transformation. This
report describes how flow and pressure generated by the ventricle can be
calculated when the independent expressions for the ventricle and for the
load are given. The method is applied on right ventricular contractions of
isolated cat hearts, and excellent fit between calculated and observed flow
and pressure curves was obtained.</description><subject>Animals</subject><subject>Cats</subject><subject>Heart - physiology</subject><subject>Hemodynamics</subject><subject>Mathematics</subject><subject>Models, Biological</subject><subject>Myocardial Contraction</subject><subject>Space life sciences</subject><issn>0363-6135</issn><issn>0002-9513</issn><issn>1522-1539</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1980</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpNkE1LwzAYx4MoOl8-gpCTt9akaZLGmwx1wsCLnjyENH26Rrp2JunGvr2dmy-nB57_G_wQwpSklPLs1nysGjA-plQVJM1YkYp0plh2hCajnCWUM3WMJoQJlgjK-Bk6D-GDEMKlYKfoVLJCCJ5P0PtzF8EbG13f4RLiBqDDsQHs3SLi7w28hi56Z1vApquwiwGPX_DOtLjtTXWHDf4cTBddNNGtAYe-HXZ9l-ikNm2Aq8O9QG-PD6_TWTJ_eXqe3s8TS5XIE17lpZC8gpKIslaQExDWmJpkVpYg6yznpJayzpVRNbXKCC4rqSpuOWNSSnaBbva9K99_DhCiXrpgoW1NB_0QtOSUk5wVo7HYG63vQ_BQ65V3S-O3mhK946p_uOodVz1y1ULvuI7R68PGUC6h-g0eQI56utcbt2g2zoNeNdvg-rZfbP9a_xV-AbWsiPY</recordid><startdate>19800601</startdate><enddate>19800601</enddate><creator>Piene, H</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>19800601</creationdate><title>Interaction between the rigt heart ventricle and its arterial load: a quantitative solution</title><author>Piene, H</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1964-5d4b675deb06bf9e40e6caaf02c7be7f2450f77f49a9f1c9a657d79d5c5337773</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1980</creationdate><topic>Animals</topic><topic>Cats</topic><topic>Heart - physiology</topic><topic>Hemodynamics</topic><topic>Mathematics</topic><topic>Models, Biological</topic><topic>Myocardial Contraction</topic><topic>Space life sciences</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Piene, H</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>American journal of physiology. Heart and circulatory physiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Piene, H</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Interaction between the rigt heart ventricle and its arterial load: a quantitative solution</atitle><jtitle>American journal of physiology. Heart and circulatory physiology</jtitle><addtitle>Am J Physiol</addtitle><date>1980-06-01</date><risdate>1980</risdate><volume>238</volume><issue>6</issue><spage>H932</spage><epage>H937</epage><pages>H932-H937</pages><issn>0363-6135</issn><issn>0002-9513</issn><eissn>1522-1539</eissn><abstract>H. Piene
Piene and Sund (Cardiovasc. Res., 1980) have recently demonstrated that the
performance of the ventricle can be expressed by relating the principal
variables pressure (P), volume (V), and time after onset of contraction
(t): P = function (V,t). The function can be mapped experimentally as a
three-dimensional surface, denoted the PVt surface, and can thereafter be
approximated by an empirical equation. The vascular load of the ventricle
is defined by the arterial input impedance vs. frequency graph, Z(f), which
can be converted to the time domain by inverse Fourier transformation. This
report describes how flow and pressure generated by the ventricle can be
calculated when the independent expressions for the ventricle and for the
load are given. The method is applied on right ventricular contractions of
isolated cat hearts, and excellent fit between calculated and observed flow
and pressure curves was obtained.</abstract><cop>United States</cop><pmid>7386654</pmid><doi>10.1152/ajpheart.1980.238.6.H932</doi></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0363-6135 |
| ispartof | American journal of physiology. Heart and circulatory physiology, 1980-06, Vol.238 (6), p.H932-H937 |
| issn | 0363-6135 0002-9513 1522-1539 |
| language | eng |
| recordid | cdi_highwire_physiology_ajpheart_238_6_H932 |
| source | MEDLINE; Alma/SFX Local Collection |
| subjects | Animals Cats Heart - physiology Hemodynamics Mathematics Models, Biological Myocardial Contraction Space life sciences |
| title | Interaction between the rigt heart ventricle and its arterial load: a quantitative solution |
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