Measurement of cardiac stroke volume by impedance cardiography in the last trimester of pregnancy
Simultaneous determination of cardiac stroke volume by impedance cardiography and the dye dilution technique was compared in 10 women during the last trimester of pregnancy. Measurements were performed in different body positions to investigate the influence of body position on stroke volume. The co...
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| Veröffentlicht in: | Acta obstetricia et gynecologica Scandinavica 1983, Vol.62 (5), p.473-479 |
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| container_title | Acta obstetricia et gynecologica Scandinavica |
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| creator | Milsom, I. Forssman, L. Sivertsson, R. Dottori, O. |
| description | Simultaneous determination of cardiac stroke volume by impedance cardiography and the dye dilution technique was compared in 10 women during the last trimester of pregnancy. Measurements were performed in different body positions to investigate the influence of body position on stroke volume.
The correlation coefficient for all measurements was 0.87. Mean stroke volume determined by impedance cardiography was significantly (p |
| doi_str_mv | 10.3109/00016348309154222 |
| format | Article |
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The correlation coefficient for all measurements was 0.87. Mean stroke volume determined by impedance cardiography was significantly (p<001) lower than mean stroke volume calculated by the dye dilution technique. There was no significant difference between the mean change in stroke volume determined by the two techniques during serial measurements. The reproducibility of individual impedance-determined stroke volumes (6.1 ml) did not differ significantly from individual values obtained by dye dilution (9.3 ml).
Maximum mean impedance-determined stroke volume was recorded in the left lateral position (83.8 ±4.0 ml). Mean stroke volume was significantly (p<0.01) reduced in the supine position (17.9%). A smaller (14.4%) reduction was registered in the right lateral position. These changes in stroke volume according to body position were equally evident by both methods.
Impedance cardiography is a safe, reliable, non-invasive technique for the measurement of changes in stroke volume during late pregnancy. The ability of impedance cardiography to determine changes in stroke volume was unaffected by changes in body position.</description><identifier>ISSN: 0001-6349</identifier><identifier>EISSN: 1600-0412</identifier><identifier>DOI: 10.3109/00016348309154222</identifier><identifier>PMID: 6364687</identifier><identifier>CODEN: AOGSAE</identifier><language>eng</language><publisher>Oxford, UK: Informa UK Ltd</publisher><subject>Adult ; Biological and medical sciences ; Cardiac Output ; Cardiography, Impedance ; Female ; Fundamental and applied biological sciences. Psychology ; Humans ; Indicator Dilution Techniques ; Mother. Fetoplacental unit. Mammary gland. Milk ; Plethysmography, Impedance ; Posture ; Pregnancy ; Pregnancy Trimester, Third ; Pregnancy. Parturition. Lactation ; Stroke Volume ; Vertebrates: reproduction</subject><ispartof>Acta obstetricia et gynecologica Scandinavica, 1983, Vol.62 (5), p.473-479</ispartof><rights>1983 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted 1983</rights><rights>1983 Acta Obstet Gynecol Scand</rights><rights>1984 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4621-77d27ea67c00dbfb2a4518ea3785d047ca58d2bba4a752e0efe3b81ccff14ed43</citedby><cites>FETCH-LOGICAL-c4621-77d27ea67c00dbfb2a4518ea3785d047ca58d2bba4a752e0efe3b81ccff14ed43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.3109%2F00016348309154222$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.3109%2F00016348309154222$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,4024,27923,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=9402436$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/6364687$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Milsom, I.</creatorcontrib><creatorcontrib>Forssman, L.</creatorcontrib><creatorcontrib>Sivertsson, R.</creatorcontrib><creatorcontrib>Dottori, O.</creatorcontrib><title>Measurement of cardiac stroke volume by impedance cardiography in the last trimester of pregnancy</title><title>Acta obstetricia et gynecologica Scandinavica</title><addtitle>Acta Obstet Gynecol Scand</addtitle><description>Simultaneous determination of cardiac stroke volume by impedance cardiography and the dye dilution technique was compared in 10 women during the last trimester of pregnancy. Measurements were performed in different body positions to investigate the influence of body position on stroke volume.
The correlation coefficient for all measurements was 0.87. Mean stroke volume determined by impedance cardiography was significantly (p<001) lower than mean stroke volume calculated by the dye dilution technique. There was no significant difference between the mean change in stroke volume determined by the two techniques during serial measurements. The reproducibility of individual impedance-determined stroke volumes (6.1 ml) did not differ significantly from individual values obtained by dye dilution (9.3 ml).
Maximum mean impedance-determined stroke volume was recorded in the left lateral position (83.8 ±4.0 ml). Mean stroke volume was significantly (p<0.01) reduced in the supine position (17.9%). A smaller (14.4%) reduction was registered in the right lateral position. These changes in stroke volume according to body position were equally evident by both methods.
Impedance cardiography is a safe, reliable, non-invasive technique for the measurement of changes in stroke volume during late pregnancy. The ability of impedance cardiography to determine changes in stroke volume was unaffected by changes in body position.</description><subject>Adult</subject><subject>Biological and medical sciences</subject><subject>Cardiac Output</subject><subject>Cardiography, Impedance</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Indicator Dilution Techniques</subject><subject>Mother. Fetoplacental unit. Mammary gland. Milk</subject><subject>Plethysmography, Impedance</subject><subject>Posture</subject><subject>Pregnancy</subject><subject>Pregnancy Trimester, Third</subject><subject>Pregnancy. Parturition. Lactation</subject><subject>Stroke Volume</subject><subject>Vertebrates: reproduction</subject><issn>0001-6349</issn><issn>1600-0412</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1983</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU1v1DAQhi0EKkvhB3BA8gFxC_grtiNOpYUFqdAeChytiTPpps0XdgLsv8erRHtBgpNlv887nnmHkOecvZacFW8YY1xLZSUreK6EEA_IhmvGMqa4eEg2Bz1LQPGYPInxLt2EUfaEnGiplbZmQ-AzQpwDdthPdKiph1A14GmcwnCP9OfQzh3Sck-bbsQKeo8LMtwGGHfpuafTDmkLcaJTaDqME4ZDoTHgbZ_4_VPyqIY24rP1PCVfP7y_Of-YXV5tP52fXWZeacEzYyphELTxjFVlXQpQObcI0ti8Ysp4yG0lyhIUmFwgwxplabn3dc0VVkqekldL3TEMP-bUh-ua6LFtocdhjs4ym4tC2ATyBfRhiDFg7cbUOIS948wdYnV_xZo8L9bic9lhdXSsOSb95apD9NDWIU3exCNWKCaU1AnTC_araXH__3_d2dU2t4InY7YYm5Tv76MRwr3TRprcff-ydRff3l1c31xLdwjj7cr39RA62CG00y5tDt3dMIc-LeIf0_4BYbqxfA</recordid><startdate>1983</startdate><enddate>1983</enddate><creator>Milsom, I.</creator><creator>Forssman, L.</creator><creator>Sivertsson, R.</creator><creator>Dottori, O.</creator><general>Informa UK Ltd</general><general>Blackwell Publishing Ltd</general><general>Taylor & Francis</general><scope>BSCLL</scope><scope>IQODW</scope><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>1983</creationdate><title>Measurement of cardiac stroke volume by impedance cardiography in the last trimester of pregnancy</title><author>Milsom, I. ; Forssman, L. ; Sivertsson, R. ; Dottori, O.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4621-77d27ea67c00dbfb2a4518ea3785d047ca58d2bba4a752e0efe3b81ccff14ed43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1983</creationdate><topic>Adult</topic><topic>Biological and medical sciences</topic><topic>Cardiac Output</topic><topic>Cardiography, Impedance</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Humans</topic><topic>Indicator Dilution Techniques</topic><topic>Mother. Fetoplacental unit. Mammary gland. Milk</topic><topic>Plethysmography, Impedance</topic><topic>Posture</topic><topic>Pregnancy</topic><topic>Pregnancy Trimester, Third</topic><topic>Pregnancy. Parturition. Lactation</topic><topic>Stroke Volume</topic><topic>Vertebrates: reproduction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Milsom, I.</creatorcontrib><creatorcontrib>Forssman, L.</creatorcontrib><creatorcontrib>Sivertsson, R.</creatorcontrib><creatorcontrib>Dottori, O.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><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>Acta obstetricia et gynecologica Scandinavica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Milsom, I.</au><au>Forssman, L.</au><au>Sivertsson, R.</au><au>Dottori, O.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Measurement of cardiac stroke volume by impedance cardiography in the last trimester of pregnancy</atitle><jtitle>Acta obstetricia et gynecologica Scandinavica</jtitle><addtitle>Acta Obstet Gynecol Scand</addtitle><date>1983</date><risdate>1983</risdate><volume>62</volume><issue>5</issue><spage>473</spage><epage>479</epage><pages>473-479</pages><issn>0001-6349</issn><eissn>1600-0412</eissn><coden>AOGSAE</coden><abstract>Simultaneous determination of cardiac stroke volume by impedance cardiography and the dye dilution technique was compared in 10 women during the last trimester of pregnancy. Measurements were performed in different body positions to investigate the influence of body position on stroke volume.
The correlation coefficient for all measurements was 0.87. Mean stroke volume determined by impedance cardiography was significantly (p<001) lower than mean stroke volume calculated by the dye dilution technique. There was no significant difference between the mean change in stroke volume determined by the two techniques during serial measurements. The reproducibility of individual impedance-determined stroke volumes (6.1 ml) did not differ significantly from individual values obtained by dye dilution (9.3 ml).
Maximum mean impedance-determined stroke volume was recorded in the left lateral position (83.8 ±4.0 ml). Mean stroke volume was significantly (p<0.01) reduced in the supine position (17.9%). A smaller (14.4%) reduction was registered in the right lateral position. These changes in stroke volume according to body position were equally evident by both methods.
Impedance cardiography is a safe, reliable, non-invasive technique for the measurement of changes in stroke volume during late pregnancy. The ability of impedance cardiography to determine changes in stroke volume was unaffected by changes in body position.</abstract><cop>Oxford, UK</cop><pub>Informa UK Ltd</pub><pmid>6364687</pmid><doi>10.3109/00016348309154222</doi><tpages>7</tpages></addata></record> |
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| identifier | ISSN: 0001-6349 |
| ispartof | Acta obstetricia et gynecologica Scandinavica, 1983, Vol.62 (5), p.473-479 |
| issn | 0001-6349 1600-0412 |
| language | eng |
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| source | MEDLINE; Wiley Online Library All Journals |
| subjects | Adult Biological and medical sciences Cardiac Output Cardiography, Impedance Female Fundamental and applied biological sciences. Psychology Humans Indicator Dilution Techniques Mother. Fetoplacental unit. Mammary gland. Milk Plethysmography, Impedance Posture Pregnancy Pregnancy Trimester, Third Pregnancy. Parturition. Lactation Stroke Volume Vertebrates: reproduction |
| title | Measurement of cardiac stroke volume by impedance cardiography in the last trimester of pregnancy |
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