The importance of the maximum pulmonary artery regurgitant velocity following repair of tetralogy of Fallot: a pilot study
Tetralogy of Fallot repairs invariably result in pulmonary regurgitation with the long term sequelae of ventricular dilatation and dysfunction. The purpose of this study is to correlate pulmonary flow parameters with right ventricular size and function. Pulmonary artery velocity was mapped by magnet...
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| Veröffentlicht in: | The international journal of cardiovascular imaging 2001-06, Vol.17 (3), p.221-226 |
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| creator | Greenberg, S B Eshaghpour, E |
| description | Tetralogy of Fallot repairs invariably result in pulmonary regurgitation with the long term sequelae of ventricular dilatation and dysfunction.
The purpose of this study is to correlate pulmonary flow parameters with right ventricular size and function.
Pulmonary artery velocity was mapped by magnetic resonance flow analysis in seven children with pulmonary regurgitation following tetralogy of Fallot repair. Right and left ventricular volumes were determined by Simpson's rule from double oblique cine gradient echo images of the heart. The ejection fraction was calculated for each ventricle. Right ventricular enlargement was normalized for patient size by calculating the ratios of right ventricle end diastolic and end systolic volumes to the left ventricle end diastolic and end systolic volumes respectively (EDV RV:LV and ESV RV:LV). The maximum pulmonary artery antegrade and retrograde velocities and the ratio of the time for antegrade to regurgitant flow were compared to ventricular function and volume measurements by regression analysis.
A significant linear relationship between the maximum regurgitant pulmonary artery velocity and EDV RV:LV was identified (r2 = 0.82).
An elevated maximum pulmonary regurgitant velocity correlated well with the degree of right ventricular enlargement in patients following tetralogy of Fallot repair. If the results are verified by a larger study, the maximum pulmonary regurgitant velocity may be substituted for the more cumbersome direct measurement of right ventricular size. |
| doi_str_mv | 10.1023/A:1010664925818 |
| format | Article |
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The purpose of this study is to correlate pulmonary flow parameters with right ventricular size and function.
Pulmonary artery velocity was mapped by magnetic resonance flow analysis in seven children with pulmonary regurgitation following tetralogy of Fallot repair. Right and left ventricular volumes were determined by Simpson's rule from double oblique cine gradient echo images of the heart. The ejection fraction was calculated for each ventricle. Right ventricular enlargement was normalized for patient size by calculating the ratios of right ventricle end diastolic and end systolic volumes to the left ventricle end diastolic and end systolic volumes respectively (EDV RV:LV and ESV RV:LV). The maximum pulmonary artery antegrade and retrograde velocities and the ratio of the time for antegrade to regurgitant flow were compared to ventricular function and volume measurements by regression analysis.
A significant linear relationship between the maximum regurgitant pulmonary artery velocity and EDV RV:LV was identified (r2 = 0.82).
An elevated maximum pulmonary regurgitant velocity correlated well with the degree of right ventricular enlargement in patients following tetralogy of Fallot repair. If the results are verified by a larger study, the maximum pulmonary regurgitant velocity may be substituted for the more cumbersome direct measurement of right ventricular size.</description><identifier>ISSN: 1569-5794</identifier><identifier>EISSN: 1573-0743</identifier><identifier>DOI: 10.1023/A:1010664925818</identifier><identifier>PMID: 11587456</identifier><identifier>CODEN: IJCIBI</identifier><language>eng</language><publisher>United States: Springer Nature B.V</publisher><subject>Adolescent ; Adult ; Blood Flow Velocity ; Child ; Child, Preschool ; Humans ; Infant ; Magnetic Resonance Imaging ; Pilot Projects ; Pulmonary Artery - physiopathology ; Regression Analysis ; Stroke Volume ; Tetralogy of Fallot - surgery ; Ventricular Function, Right</subject><ispartof>The international journal of cardiovascular imaging, 2001-06, Vol.17 (3), p.221-226</ispartof><rights>Copyright (c) 2001 Kluwer Academic Publishers</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11587456$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Greenberg, S B</creatorcontrib><creatorcontrib>Eshaghpour, E</creatorcontrib><title>The importance of the maximum pulmonary artery regurgitant velocity following repair of tetralogy of Fallot: a pilot study</title><title>The international journal of cardiovascular imaging</title><addtitle>Int J Cardiovasc Imaging</addtitle><description>Tetralogy of Fallot repairs invariably result in pulmonary regurgitation with the long term sequelae of ventricular dilatation and dysfunction.
The purpose of this study is to correlate pulmonary flow parameters with right ventricular size and function.
Pulmonary artery velocity was mapped by magnetic resonance flow analysis in seven children with pulmonary regurgitation following tetralogy of Fallot repair. Right and left ventricular volumes were determined by Simpson's rule from double oblique cine gradient echo images of the heart. The ejection fraction was calculated for each ventricle. Right ventricular enlargement was normalized for patient size by calculating the ratios of right ventricle end diastolic and end systolic volumes to the left ventricle end diastolic and end systolic volumes respectively (EDV RV:LV and ESV RV:LV). The maximum pulmonary artery antegrade and retrograde velocities and the ratio of the time for antegrade to regurgitant flow were compared to ventricular function and volume measurements by regression analysis.
A significant linear relationship between the maximum regurgitant pulmonary artery velocity and EDV RV:LV was identified (r2 = 0.82).
An elevated maximum pulmonary regurgitant velocity correlated well with the degree of right ventricular enlargement in patients following tetralogy of Fallot repair. If the results are verified by a larger study, the maximum pulmonary regurgitant velocity may be substituted for the more cumbersome direct measurement of right ventricular size.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Blood Flow Velocity</subject><subject>Child</subject><subject>Child, Preschool</subject><subject>Humans</subject><subject>Infant</subject><subject>Magnetic Resonance Imaging</subject><subject>Pilot Projects</subject><subject>Pulmonary Artery - physiopathology</subject><subject>Regression Analysis</subject><subject>Stroke Volume</subject><subject>Tetralogy of Fallot - surgery</subject><subject>Ventricular Function, Right</subject><issn>1569-5794</issn><issn>1573-0743</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><recordid>eNpdkDlPxDAQhS0E4lio6ZBFQRfwGdt0CHFJK9EsdeRNJsEoiYPjAOHX4-VoaObN8elp9BA6puScEsYvri4poSTPhWFSU72F9qlUPCNK8O1Nn5tMKiP20ME4vhBCFTdmF-1RKrUSMt9Hn6tnwK4bfIi2LwH7Gse06eyH66YOD1Pb-d6GGdsQIUmAZgqNS3DEb9D60sUZ175t_bvrm3QerAvfLhCDbX0zb4Zbm4B4iS0eXGrwGKdqPkQ7tW1HOPrVBXq6vVld32fLx7uH66tlNjAuYiY5WEut0IoTK4WoagVgQK9Bs1qJWssKYK2h1KAYE3ldlVoZmqqhgmvCF-jsx3cI_nWCMRadG0toW9uDn8ZCUcakUCqBp__AFz-FPv1WsBQl5yanCTr5haZ1B1UxBNelfIq_SPkXirh6uQ</recordid><startdate>20010601</startdate><enddate>20010601</enddate><creator>Greenberg, S B</creator><creator>Eshaghpour, E</creator><general>Springer Nature B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8FD</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>M7Z</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope></search><sort><creationdate>20010601</creationdate><title>The importance of the maximum pulmonary artery regurgitant velocity following repair of tetralogy of Fallot: a pilot study</title><author>Greenberg, S B ; Eshaghpour, E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p234t-53eaa1a48730a544df7ee9e8be82f74f85deeb8ec8e72246fdc8791dc89143803</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Blood Flow Velocity</topic><topic>Child</topic><topic>Child, Preschool</topic><topic>Humans</topic><topic>Infant</topic><topic>Magnetic Resonance Imaging</topic><topic>Pilot Projects</topic><topic>Pulmonary Artery - physiopathology</topic><topic>Regression Analysis</topic><topic>Stroke Volume</topic><topic>Tetralogy of Fallot - surgery</topic><topic>Ventricular Function, Right</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Greenberg, S B</creatorcontrib><creatorcontrib>Eshaghpour, E</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Biochemistry Abstracts 1</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><jtitle>The international journal of cardiovascular imaging</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Greenberg, S B</au><au>Eshaghpour, E</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The importance of the maximum pulmonary artery regurgitant velocity following repair of tetralogy of Fallot: a pilot study</atitle><jtitle>The international journal of cardiovascular imaging</jtitle><addtitle>Int J Cardiovasc Imaging</addtitle><date>2001-06-01</date><risdate>2001</risdate><volume>17</volume><issue>3</issue><spage>221</spage><epage>226</epage><pages>221-226</pages><issn>1569-5794</issn><eissn>1573-0743</eissn><coden>IJCIBI</coden><abstract>Tetralogy of Fallot repairs invariably result in pulmonary regurgitation with the long term sequelae of ventricular dilatation and dysfunction.
The purpose of this study is to correlate pulmonary flow parameters with right ventricular size and function.
Pulmonary artery velocity was mapped by magnetic resonance flow analysis in seven children with pulmonary regurgitation following tetralogy of Fallot repair. Right and left ventricular volumes were determined by Simpson's rule from double oblique cine gradient echo images of the heart. The ejection fraction was calculated for each ventricle. Right ventricular enlargement was normalized for patient size by calculating the ratios of right ventricle end diastolic and end systolic volumes to the left ventricle end diastolic and end systolic volumes respectively (EDV RV:LV and ESV RV:LV). The maximum pulmonary artery antegrade and retrograde velocities and the ratio of the time for antegrade to regurgitant flow were compared to ventricular function and volume measurements by regression analysis.
A significant linear relationship between the maximum regurgitant pulmonary artery velocity and EDV RV:LV was identified (r2 = 0.82).
An elevated maximum pulmonary regurgitant velocity correlated well with the degree of right ventricular enlargement in patients following tetralogy of Fallot repair. If the results are verified by a larger study, the maximum pulmonary regurgitant velocity may be substituted for the more cumbersome direct measurement of right ventricular size.</abstract><cop>United States</cop><pub>Springer Nature B.V</pub><pmid>11587456</pmid><doi>10.1023/A:1010664925818</doi><tpages>6</tpages></addata></record> |
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| source | MEDLINE; SpringerLink Journals - AutoHoldings |
| subjects | Adolescent Adult Blood Flow Velocity Child Child, Preschool Humans Infant Magnetic Resonance Imaging Pilot Projects Pulmonary Artery - physiopathology Regression Analysis Stroke Volume Tetralogy of Fallot - surgery Ventricular Function, Right |
| title | The importance of the maximum pulmonary artery regurgitant velocity following repair of tetralogy of Fallot: a pilot study |
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