Normal fetal Doppler inferior vena cava, transtricuspid, and umbilical artery flow velocity waveforms between 11 and 16 weeks' gestation
Objectives: Our objectives were to determine flow velocity waveform patterns in the fetal inferior vena cava and to relate these waveforms to transtricuspid and umbilical artery waveforms and fetal heart rate in early gestation. Study Design: Doppler waveforms were recorded in 40 normal fetuses at 1...
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| Veröffentlicht in: | American journal of obstetrics and gynecology 1992-03, Vol.166 (3), p.921-924 |
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| container_title | American journal of obstetrics and gynecology |
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| creator | Wladimiroff, Juriy W. Huisman, Tjeerd W.A. Stewart, Patricia A. Stijnen, Th |
| description | Objectives: Our objectives were to determine flow velocity waveform patterns in the fetal inferior vena cava and to relate these waveforms to transtricuspid and umbilical artery waveforms and fetal heart rate in early gestation.
Study Design: Doppler waveforms were recorded in 40 normal fetuses at 11 to 16 weeks of gestation. Only transvaginal scanning was carried out at 11 to 12 weeks and only transabdominal scanning was used at 15 to 16 weeks.
Results: The ratio of time velocity integrals of flow from the inferior vena cava during systole and early diastole, the percentage of reverse flow in this vessel, the pulsatility index from the umbilical artery, and the fetal heart rate were negatively correlated with gestational age. Peak E-wave and A-wave velocities and E/A ratios from the transtricuspid waveforms were positively correlated with gestational age.
Conclusion: Early normal pregnancies are associated with remarkable changes in fetal flow velocity waveforms at both the cardiac and the extracardiac level. |
| doi_str_mv | 10.1016/0002-9378(92)91363-F |
| format | Article |
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Study Design: Doppler waveforms were recorded in 40 normal fetuses at 11 to 16 weeks of gestation. Only transvaginal scanning was carried out at 11 to 12 weeks and only transabdominal scanning was used at 15 to 16 weeks.
Results: The ratio of time velocity integrals of flow from the inferior vena cava during systole and early diastole, the percentage of reverse flow in this vessel, the pulsatility index from the umbilical artery, and the fetal heart rate were negatively correlated with gestational age. Peak E-wave and A-wave velocities and E/A ratios from the transtricuspid waveforms were positively correlated with gestational age.
Conclusion: Early normal pregnancies are associated with remarkable changes in fetal flow velocity waveforms at both the cardiac and the extracardiac level.</description><identifier>ISSN: 0002-9378</identifier><identifier>EISSN: 1097-6868</identifier><identifier>DOI: 10.1016/0002-9378(92)91363-F</identifier><identifier>PMID: 1550165</identifier><identifier>CODEN: AJOGAH</identifier><language>eng</language><publisher>Philadelphia, PA: Mosby, Inc</publisher><subject>Adult ; Biological and medical sciences ; Blood Flow Velocity ; Doppler ultrasonography ; Female ; fetal blood flow ; Fetus - physiology ; Gestational Age ; Gynecology. Andrology. Obstetrics ; Heart Rate, Fetal ; Humans ; Management. Prenatal diagnosis ; Medical sciences ; Pregnancy ; Pregnancy. Fetus. Placenta ; Reference Values ; Tricuspid Valve - embryology ; Ultrasonography, Prenatal ; Umbilical Arteries - diagnostic imaging ; Umbilical Arteries - physiology ; Vena Cava, Inferior - embryology</subject><ispartof>American journal of obstetrics and gynecology, 1992-03, Vol.166 (3), p.921-924</ispartof><rights>1992 Mosby</rights><rights>1992 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c301t-731bec91d31849bdc67f79e3c8ee228b8f9fad660491936446f9a2b5659ebdc33</citedby><cites>FETCH-LOGICAL-c301t-731bec91d31849bdc67f79e3c8ee228b8f9fad660491936446f9a2b5659ebdc33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0002-9378(92)91363-F$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=5326520$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/1550165$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wladimiroff, Juriy W.</creatorcontrib><creatorcontrib>Huisman, Tjeerd W.A.</creatorcontrib><creatorcontrib>Stewart, Patricia A.</creatorcontrib><creatorcontrib>Stijnen, Th</creatorcontrib><title>Normal fetal Doppler inferior vena cava, transtricuspid, and umbilical artery flow velocity waveforms between 11 and 16 weeks' gestation</title><title>American journal of obstetrics and gynecology</title><addtitle>Am J Obstet Gynecol</addtitle><description>Objectives: Our objectives were to determine flow velocity waveform patterns in the fetal inferior vena cava and to relate these waveforms to transtricuspid and umbilical artery waveforms and fetal heart rate in early gestation.
Study Design: Doppler waveforms were recorded in 40 normal fetuses at 11 to 16 weeks of gestation. Only transvaginal scanning was carried out at 11 to 12 weeks and only transabdominal scanning was used at 15 to 16 weeks.
Results: The ratio of time velocity integrals of flow from the inferior vena cava during systole and early diastole, the percentage of reverse flow in this vessel, the pulsatility index from the umbilical artery, and the fetal heart rate were negatively correlated with gestational age. Peak E-wave and A-wave velocities and E/A ratios from the transtricuspid waveforms were positively correlated with gestational age.
Conclusion: Early normal pregnancies are associated with remarkable changes in fetal flow velocity waveforms at both the cardiac and the extracardiac level.</description><subject>Adult</subject><subject>Biological and medical sciences</subject><subject>Blood Flow Velocity</subject><subject>Doppler ultrasonography</subject><subject>Female</subject><subject>fetal blood flow</subject><subject>Fetus - physiology</subject><subject>Gestational Age</subject><subject>Gynecology. Andrology. Obstetrics</subject><subject>Heart Rate, Fetal</subject><subject>Humans</subject><subject>Management. Prenatal diagnosis</subject><subject>Medical sciences</subject><subject>Pregnancy</subject><subject>Pregnancy. Fetus. Placenta</subject><subject>Reference Values</subject><subject>Tricuspid Valve - embryology</subject><subject>Ultrasonography, Prenatal</subject><subject>Umbilical Arteries - diagnostic imaging</subject><subject>Umbilical Arteries - physiology</subject><subject>Vena Cava, Inferior - embryology</subject><issn>0002-9378</issn><issn>1097-6868</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kc9u1DAQxi0EKkvhDYrkAypUaqj_JE58qVSVLq1UwYWeLccZV4YkTm1nV_sGPDYOuyo3Lh6N5vd9Y32D0Aklnymh4oIQwgrJ6-aTZGeScsGL9Qu0okTWhWhE8xKtnpHX6E2MP5eWSXaEjmhVZYtqhX5_82HQPbaQ8vvFT1MPAbvRQnA-4A2MGhu90ec4BT3GFJyZ4-S6c6zHDs9D63pnslKHBGGHbe-3WdR749IOb_UGbPaPuIW0BRgxpX91VODc_oof8SPEpJPz41v0yuo-wrtDPUYP65sf17fF_fevd9dX94XhhKai5rQFI2nHaVPKtjOitrUEbhoAxpq2sdLqTghSSiq5KEthpWZtJSoJmeb8GJ3ufafgn-a8XQ0uGuh7PYKfo6pZU9VU0AyWe9AEH2MAq6bgBh12ihK1HEAtcaolXSVzXQ6g1ln2_uA_twN0_0T7xPP8w2GuYw7O5lSNi89YxZmoGMnY5R6DnMXGQVDROBgNdC6ASarz7v__-APkpqMa</recordid><startdate>199203</startdate><enddate>199203</enddate><creator>Wladimiroff, Juriy W.</creator><creator>Huisman, Tjeerd W.A.</creator><creator>Stewart, Patricia A.</creator><creator>Stijnen, Th</creator><general>Mosby, Inc</general><general>Elsevier</general><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>199203</creationdate><title>Normal fetal Doppler inferior vena cava, transtricuspid, and umbilical artery flow velocity waveforms between 11 and 16 weeks' gestation</title><author>Wladimiroff, Juriy W. ; Huisman, Tjeerd W.A. ; Stewart, Patricia A. ; Stijnen, Th</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c301t-731bec91d31849bdc67f79e3c8ee228b8f9fad660491936446f9a2b5659ebdc33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Adult</topic><topic>Biological and medical sciences</topic><topic>Blood Flow Velocity</topic><topic>Doppler ultrasonography</topic><topic>Female</topic><topic>fetal blood flow</topic><topic>Fetus - physiology</topic><topic>Gestational Age</topic><topic>Gynecology. Andrology. Obstetrics</topic><topic>Heart Rate, Fetal</topic><topic>Humans</topic><topic>Management. Prenatal diagnosis</topic><topic>Medical sciences</topic><topic>Pregnancy</topic><topic>Pregnancy. Fetus. Placenta</topic><topic>Reference Values</topic><topic>Tricuspid Valve - embryology</topic><topic>Ultrasonography, Prenatal</topic><topic>Umbilical Arteries - diagnostic imaging</topic><topic>Umbilical Arteries - physiology</topic><topic>Vena Cava, Inferior - embryology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wladimiroff, Juriy W.</creatorcontrib><creatorcontrib>Huisman, Tjeerd W.A.</creatorcontrib><creatorcontrib>Stewart, Patricia A.</creatorcontrib><creatorcontrib>Stijnen, Th</creatorcontrib><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>American journal of obstetrics and gynecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wladimiroff, Juriy W.</au><au>Huisman, Tjeerd W.A.</au><au>Stewart, Patricia A.</au><au>Stijnen, Th</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Normal fetal Doppler inferior vena cava, transtricuspid, and umbilical artery flow velocity waveforms between 11 and 16 weeks' gestation</atitle><jtitle>American journal of obstetrics and gynecology</jtitle><addtitle>Am J Obstet Gynecol</addtitle><date>1992-03</date><risdate>1992</risdate><volume>166</volume><issue>3</issue><spage>921</spage><epage>924</epage><pages>921-924</pages><issn>0002-9378</issn><eissn>1097-6868</eissn><coden>AJOGAH</coden><abstract>Objectives: Our objectives were to determine flow velocity waveform patterns in the fetal inferior vena cava and to relate these waveforms to transtricuspid and umbilical artery waveforms and fetal heart rate in early gestation.
Study Design: Doppler waveforms were recorded in 40 normal fetuses at 11 to 16 weeks of gestation. Only transvaginal scanning was carried out at 11 to 12 weeks and only transabdominal scanning was used at 15 to 16 weeks.
Results: The ratio of time velocity integrals of flow from the inferior vena cava during systole and early diastole, the percentage of reverse flow in this vessel, the pulsatility index from the umbilical artery, and the fetal heart rate were negatively correlated with gestational age. Peak E-wave and A-wave velocities and E/A ratios from the transtricuspid waveforms were positively correlated with gestational age.
Conclusion: Early normal pregnancies are associated with remarkable changes in fetal flow velocity waveforms at both the cardiac and the extracardiac level.</abstract><cop>Philadelphia, PA</cop><pub>Mosby, Inc</pub><pmid>1550165</pmid><doi>10.1016/0002-9378(92)91363-F</doi><tpages>4</tpages></addata></record> |
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| ispartof | American journal of obstetrics and gynecology, 1992-03, Vol.166 (3), p.921-924 |
| issn | 0002-9378 1097-6868 |
| language | eng |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Adult Biological and medical sciences Blood Flow Velocity Doppler ultrasonography Female fetal blood flow Fetus - physiology Gestational Age Gynecology. Andrology. Obstetrics Heart Rate, Fetal Humans Management. Prenatal diagnosis Medical sciences Pregnancy Pregnancy. Fetus. Placenta Reference Values Tricuspid Valve - embryology Ultrasonography, Prenatal Umbilical Arteries - diagnostic imaging Umbilical Arteries - physiology Vena Cava, Inferior - embryology |
| title | Normal fetal Doppler inferior vena cava, transtricuspid, and umbilical artery flow velocity waveforms between 11 and 16 weeks' gestation |
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