Diastolic function of the fetal heart during second and third trimester : a prospective longitudinal Doppler-echocardiographic study
To generate normal charts of fetal cardiac inflow velocities and to assess physiologic changes of ventricular diastolic function, velocity waveforms of tricuspid and mitral valves were studied longitudinally in 49 fetuses in 4 week intervals from 14 weeks gestation to term. Doppler tracings were ana...
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| Veröffentlicht in: | European journal of pediatrics 1994-03, Vol.153 (3), p.151-154 |
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| container_title | European journal of pediatrics |
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| creator | TULZER, G PONGSAK KHOWSATHIT GUDMUNDSSON, S WOOD, D. C ZHI-YUN TIAN SCHMITT, K HUHTA, J. C |
| description | To generate normal charts of fetal cardiac inflow velocities and to assess physiologic changes of ventricular diastolic function, velocity waveforms of tricuspid and mitral valves were studied longitudinally in 49 fetuses in 4 week intervals from 14 weeks gestation to term. Doppler tracings were analyzed for: peak early (E) and peak late (A) inflow velocities, time velocity integral (TVI) of total inflow and A-wave velocity waveforms and heart rate corrected isovolemic relaxation time. E- and A-velocity as well as total- and A-wave-TVI of both valves increased significantly with gestational age (P < 0.001). Heart rate and A/E ratio decreased significantly with gestational age (P < 0.001). The ratio of A-wave TVI to total TVI of both valves and heart rate corrected isovolemic relaxation time (IVR) was constant suggesting unchanged diastolic function. This study provides normal charts for fetal cardiac inflow velocities. After 14 weeks of gestation all inflow velocities and their respective TVI's increased linearly in the growing fetal heart. There was evidence that diastolic function did not change. Area ratios and IVR should be used to determine changes in ventricular diastolic function, rather than velocity ratios. |
| doi_str_mv | 10.1007/BF01958973 |
| format | Article |
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The ratio of A-wave TVI to total TVI of both valves and heart rate corrected isovolemic relaxation time (IVR) was constant suggesting unchanged diastolic function. This study provides normal charts for fetal cardiac inflow velocities. After 14 weeks of gestation all inflow velocities and their respective TVI's increased linearly in the growing fetal heart. There was evidence that diastolic function did not change. Area ratios and IVR should be used to determine changes in ventricular diastolic function, rather than velocity ratios.</description><identifier>ISSN: 0340-6199</identifier><identifier>EISSN: 1432-1076</identifier><identifier>DOI: 10.1007/BF01958973</identifier><identifier>PMID: 8181494</identifier><identifier>CODEN: EJPEDT</identifier><language>eng</language><publisher>Heidelberg: Springer</publisher><subject>Adult ; Biological and medical sciences ; Diastole ; Echocardiography, Doppler ; Female ; Fetal Heart - diagnostic imaging ; Fetal Heart - physiology ; Gestational Age ; Gynecology. Andrology. Obstetrics ; Heart Rate ; Humans ; Longitudinal Studies ; Management. Prenatal diagnosis ; Medical sciences ; Pregnancy ; Pregnancy Trimester, Second ; Pregnancy Trimester, Third ; Pregnancy. Fetus. 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C</creatorcontrib><creatorcontrib>ZHI-YUN TIAN</creatorcontrib><creatorcontrib>SCHMITT, K</creatorcontrib><creatorcontrib>HUHTA, J. C</creatorcontrib><title>Diastolic function of the fetal heart during second and third trimester : a prospective longitudinal Doppler-echocardiographic study</title><title>European journal of pediatrics</title><addtitle>Eur J Pediatr</addtitle><description>To generate normal charts of fetal cardiac inflow velocities and to assess physiologic changes of ventricular diastolic function, velocity waveforms of tricuspid and mitral valves were studied longitudinally in 49 fetuses in 4 week intervals from 14 weeks gestation to term. Doppler tracings were analyzed for: peak early (E) and peak late (A) inflow velocities, time velocity integral (TVI) of total inflow and A-wave velocity waveforms and heart rate corrected isovolemic relaxation time. E- and A-velocity as well as total- and A-wave-TVI of both valves increased significantly with gestational age (P < 0.001). Heart rate and A/E ratio decreased significantly with gestational age (P < 0.001). The ratio of A-wave TVI to total TVI of both valves and heart rate corrected isovolemic relaxation time (IVR) was constant suggesting unchanged diastolic function. This study provides normal charts for fetal cardiac inflow velocities. After 14 weeks of gestation all inflow velocities and their respective TVI's increased linearly in the growing fetal heart. There was evidence that diastolic function did not change. Area ratios and IVR should be used to determine changes in ventricular diastolic function, rather than velocity ratios.</description><subject>Adult</subject><subject>Biological and medical sciences</subject><subject>Diastole</subject><subject>Echocardiography, Doppler</subject><subject>Female</subject><subject>Fetal Heart - diagnostic imaging</subject><subject>Fetal Heart - physiology</subject><subject>Gestational Age</subject><subject>Gynecology. Andrology. Obstetrics</subject><subject>Heart Rate</subject><subject>Humans</subject><subject>Longitudinal Studies</subject><subject>Management. Prenatal diagnosis</subject><subject>Medical sciences</subject><subject>Pregnancy</subject><subject>Pregnancy Trimester, Second</subject><subject>Pregnancy Trimester, Third</subject><subject>Pregnancy. Fetus. Placenta</subject><subject>Prospective Studies</subject><subject>Ultrasonography, Prenatal</subject><subject>Ventricular Function - physiology</subject><issn>0340-6199</issn><issn>1432-1076</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkM1r3DAQxUVo2G42ufRe0KH0EHCiL8tWb2nSbQOBXpqzGcvjtYrXciU5kHv-8Chk2R5GI3g_3sw8Qj5xdsUZq66_bxk3ZW0qeULWXElRcFbpD2TNpGKF5sZ8JGcx_mUZNrxekVXNa66MWpOXOwcx-dFZ2i-TTc5P1Pc0DUh7TDDSASEk2i3BTTsa0fqpo5ArDS7kN7g9xoSBfqNA5-DjjNnkCenop51LS-embHLn53nEUKAdvIXQOb8LMA95aMzI8zk57WGMeHHoG_K4_fHn9lfx8Pvn_e3NQ2GF0KlAVZYSdFkr0yGUumYGhKwEF7YVVctRaNkbaUwWFde11q2qtcEOZJt_Vm7I13ffvOi_Je_d7F20OI4woV9iU2lVMaVUBi_fQZsvigH7Zs6HQnhuOGveIm_-R57hzwfXpd1jd0QPGWf9y0GHaGHsA0zWxSMmja6kEPIVXPyJ_g</recordid><startdate>199403</startdate><enddate>199403</enddate><creator>TULZER, G</creator><creator>PONGSAK KHOWSATHIT</creator><creator>GUDMUNDSSON, S</creator><creator>WOOD, D. 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C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c226t-e4553a65849dea56809a237212cb27b1e263f9399ea5416866b4869eda3bb48c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>Adult</topic><topic>Biological and medical sciences</topic><topic>Diastole</topic><topic>Echocardiography, Doppler</topic><topic>Female</topic><topic>Fetal Heart - diagnostic imaging</topic><topic>Fetal Heart - physiology</topic><topic>Gestational Age</topic><topic>Gynecology. Andrology. Obstetrics</topic><topic>Heart Rate</topic><topic>Humans</topic><topic>Longitudinal Studies</topic><topic>Management. Prenatal diagnosis</topic><topic>Medical sciences</topic><topic>Pregnancy</topic><topic>Pregnancy Trimester, Second</topic><topic>Pregnancy Trimester, Third</topic><topic>Pregnancy. Fetus. Placenta</topic><topic>Prospective Studies</topic><topic>Ultrasonography, Prenatal</topic><topic>Ventricular Function - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>TULZER, G</creatorcontrib><creatorcontrib>PONGSAK KHOWSATHIT</creatorcontrib><creatorcontrib>GUDMUNDSSON, S</creatorcontrib><creatorcontrib>WOOD, D. C</creatorcontrib><creatorcontrib>ZHI-YUN TIAN</creatorcontrib><creatorcontrib>SCHMITT, K</creatorcontrib><creatorcontrib>HUHTA, J. 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C</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Diastolic function of the fetal heart during second and third trimester : a prospective longitudinal Doppler-echocardiographic study</atitle><jtitle>European journal of pediatrics</jtitle><addtitle>Eur J Pediatr</addtitle><date>1994-03</date><risdate>1994</risdate><volume>153</volume><issue>3</issue><spage>151</spage><epage>154</epage><pages>151-154</pages><issn>0340-6199</issn><eissn>1432-1076</eissn><coden>EJPEDT</coden><abstract>To generate normal charts of fetal cardiac inflow velocities and to assess physiologic changes of ventricular diastolic function, velocity waveforms of tricuspid and mitral valves were studied longitudinally in 49 fetuses in 4 week intervals from 14 weeks gestation to term. Doppler tracings were analyzed for: peak early (E) and peak late (A) inflow velocities, time velocity integral (TVI) of total inflow and A-wave velocity waveforms and heart rate corrected isovolemic relaxation time. E- and A-velocity as well as total- and A-wave-TVI of both valves increased significantly with gestational age (P < 0.001). Heart rate and A/E ratio decreased significantly with gestational age (P < 0.001). The ratio of A-wave TVI to total TVI of both valves and heart rate corrected isovolemic relaxation time (IVR) was constant suggesting unchanged diastolic function. This study provides normal charts for fetal cardiac inflow velocities. After 14 weeks of gestation all inflow velocities and their respective TVI's increased linearly in the growing fetal heart. There was evidence that diastolic function did not change. Area ratios and IVR should be used to determine changes in ventricular diastolic function, rather than velocity ratios.</abstract><cop>Heidelberg</cop><cop>Berlin</cop><pub>Springer</pub><pmid>8181494</pmid><doi>10.1007/BF01958973</doi><tpages>4</tpages></addata></record> |
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| identifier | ISSN: 0340-6199 |
| ispartof | European journal of pediatrics, 1994-03, Vol.153 (3), p.151-154 |
| issn | 0340-6199 1432-1076 |
| language | eng |
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| source | MEDLINE; SpringerNature Journals |
| subjects | Adult Biological and medical sciences Diastole Echocardiography, Doppler Female Fetal Heart - diagnostic imaging Fetal Heart - physiology Gestational Age Gynecology. Andrology. Obstetrics Heart Rate Humans Longitudinal Studies Management. Prenatal diagnosis Medical sciences Pregnancy Pregnancy Trimester, Second Pregnancy Trimester, Third Pregnancy. Fetus. Placenta Prospective Studies Ultrasonography, Prenatal Ventricular Function - physiology |
| title | Diastolic function of the fetal heart during second and third trimester : a prospective longitudinal Doppler-echocardiographic study |
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