VENOUS DRAINAGE OF THE HUMAN UTERUS - RESPIRATORY GAS STUDIES IN NORMAL AND FETAL GROWTH-RETARDED PREGNANCIES
OBJECTIVE: To determine respiratory gas relationships between the uterine veins and umbilical vein in normal and pregnancies complicated by intrauterine growth retardation. STUDY DESIGN: Respiratory gases were measured in both uterine veins and the umbilical vein in eight normal and 13 pregnancies w...
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| Veröffentlicht in: | American journal of obstetrics and gynecology 1992-02, Vol.166 (2), p.699-706 |
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| container_title | American journal of obstetrics and gynecology |
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| creator | PARDI, G CETIN MARCONI, AM BOZZETTI, P BUSCAGLIA, M MAKOWSKI, EL BATTAGLIA, FC |
| description | OBJECTIVE: To determine respiratory gas relationships between the uterine veins and umbilical vein in normal and pregnancies complicated by intrauterine growth retardation.
STUDY DESIGN: Respiratory gases were measured in both uterine veins and the umbilical vein in eight normal and 13 pregnancies with intrauterine growth retardation.
RESULTS: No significant differences were found in the placental versus nonplacental uterine veins. There was a significant correlation for umbilical and uterine venous values of PO2 (p < 0.002) and PCO2 (p < 0.004) in appropriate-for-gestational-age pregnancies, umbilical venous PO2 was always less than uterine venous PO2, and PCO2 always greater than uterine. The transplacental gradient was significantly higher in intrauterine growth retarded than appropriate-for-gestational-age pregnancies for both PO2 and PCO2. There was a lower uterine oxygen extraction in intrauterine growth retarded pregnancies (p < 0.05).
CONCLUSION: There is no consistent relationship between placental venous drainage in each uterine vein and placental location. The human placenta simulates a relatively inefficient venous equilibrator and the larger transplacental gradients in intrauterine growth retarded pregnancies may reflect differences in both perfusion pattern and placental structure. |
| doi_str_mv | 10.1016/0002-9378(92)91700-K |
| format | Article |
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STUDY DESIGN: Respiratory gases were measured in both uterine veins and the umbilical vein in eight normal and 13 pregnancies with intrauterine growth retardation.
RESULTS: No significant differences were found in the placental versus nonplacental uterine veins. There was a significant correlation for umbilical and uterine venous values of PO2 (p < 0.002) and PCO2 (p < 0.004) in appropriate-for-gestational-age pregnancies, umbilical venous PO2 was always less than uterine venous PO2, and PCO2 always greater than uterine. The transplacental gradient was significantly higher in intrauterine growth retarded than appropriate-for-gestational-age pregnancies for both PO2 and PCO2. There was a lower uterine oxygen extraction in intrauterine growth retarded pregnancies (p < 0.05).
CONCLUSION: There is no consistent relationship between placental venous drainage in each uterine vein and placental location. The human placenta simulates a relatively inefficient venous equilibrator and the larger transplacental gradients in intrauterine growth retarded pregnancies may reflect differences in both perfusion pattern and placental structure.</description><identifier>ISSN: 0002-9378</identifier><identifier>EISSN: 1097-6868</identifier><identifier>DOI: 10.1016/0002-9378(92)91700-K</identifier><identifier>PMID: 1536255</identifier><identifier>CODEN: AJOGAH</identifier><language>eng</language><publisher>ST LOUIS: MOSBY-YEAR BOOK INC</publisher><subject>Biological and medical sciences ; Blood Gas Analysis ; Carbon Dioxide - blood ; Diseases of mother, fetus and pregnancy ; Female ; Fetal Blood - metabolism ; Fetal Growth Retardation - blood ; Fetal Growth Retardation - physiopathology ; Gynecology. Andrology. Obstetrics ; Humans ; Least-Squares Analysis ; Life Sciences & Biomedicine ; Medical sciences ; Obstetrics & Gynecology ; Oxygen - blood ; Placenta - blood supply ; Pregnancy - blood ; Pregnancy - physiology ; Pregnancy. Fetus. Placenta ; Regional Blood Flow ; Regression Analysis ; Science & Technology ; Umbilical Veins ; Uterus - blood supply ; Veins - physiology ; Veins - physiopathology</subject><ispartof>American journal of obstetrics and gynecology, 1992-02, Vol.166 (2), p.699-706</ispartof><rights>1992 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>true</woscitedreferencessubscribed><woscitedreferencescount>90</woscitedreferencescount><woscitedreferencesoriginalsourcerecordid>wosA1992HE65600048</woscitedreferencesoriginalsourcerecordid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,27197,27929,27930</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=5287205$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/1536255$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>PARDI, G</creatorcontrib><creatorcontrib>CETIN</creatorcontrib><creatorcontrib>MARCONI, AM</creatorcontrib><creatorcontrib>BOZZETTI, P</creatorcontrib><creatorcontrib>BUSCAGLIA, M</creatorcontrib><creatorcontrib>MAKOWSKI, EL</creatorcontrib><creatorcontrib>BATTAGLIA, FC</creatorcontrib><title>VENOUS DRAINAGE OF THE HUMAN UTERUS - RESPIRATORY GAS STUDIES IN NORMAL AND FETAL GROWTH-RETARDED PREGNANCIES</title><title>American journal of obstetrics and gynecology</title><addtitle>AM J OBSTET GYNECOL</addtitle><addtitle>Am J Obstet Gynecol</addtitle><description>OBJECTIVE: To determine respiratory gas relationships between the uterine veins and umbilical vein in normal and pregnancies complicated by intrauterine growth retardation.
STUDY DESIGN: Respiratory gases were measured in both uterine veins and the umbilical vein in eight normal and 13 pregnancies with intrauterine growth retardation.
RESULTS: No significant differences were found in the placental versus nonplacental uterine veins. There was a significant correlation for umbilical and uterine venous values of PO2 (p < 0.002) and PCO2 (p < 0.004) in appropriate-for-gestational-age pregnancies, umbilical venous PO2 was always less than uterine venous PO2, and PCO2 always greater than uterine. The transplacental gradient was significantly higher in intrauterine growth retarded than appropriate-for-gestational-age pregnancies for both PO2 and PCO2. There was a lower uterine oxygen extraction in intrauterine growth retarded pregnancies (p < 0.05).
CONCLUSION: There is no consistent relationship between placental venous drainage in each uterine vein and placental location. The human placenta simulates a relatively inefficient venous equilibrator and the larger transplacental gradients in intrauterine growth retarded pregnancies may reflect differences in both perfusion pattern and placental structure.</description><subject>Biological and medical sciences</subject><subject>Blood Gas Analysis</subject><subject>Carbon Dioxide - blood</subject><subject>Diseases of mother, fetus and pregnancy</subject><subject>Female</subject><subject>Fetal Blood - metabolism</subject><subject>Fetal Growth Retardation - blood</subject><subject>Fetal Growth Retardation - physiopathology</subject><subject>Gynecology. Andrology. Obstetrics</subject><subject>Humans</subject><subject>Least-Squares Analysis</subject><subject>Life Sciences & Biomedicine</subject><subject>Medical sciences</subject><subject>Obstetrics & Gynecology</subject><subject>Oxygen - blood</subject><subject>Placenta - blood supply</subject><subject>Pregnancy - blood</subject><subject>Pregnancy - physiology</subject><subject>Pregnancy. Fetus. Placenta</subject><subject>Regional Blood Flow</subject><subject>Regression Analysis</subject><subject>Science & Technology</subject><subject>Umbilical Veins</subject><subject>Uterus - blood supply</subject><subject>Veins - physiology</subject><subject>Veins - physiopathology</subject><issn>0002-9378</issn><issn>1097-6868</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><sourceid>EZCTM</sourceid><sourceid>EIF</sourceid><recordid>eNqN0UFr2zAUB3AxNrq06zfYQIcxOoZXSY4s6Shs1TZL7SLbGzsF25LAI7Gz2GHs20-lIeed9B7_nx5CD4D3GH3FCEf3CCESiJDxO0E-C8wQCr69AiuMBAsiHvHXYHUhb8H1PP96bokgV-AK0zAilK7A_rsqyqaCiZZ5IVMFywdYZwpmzaMsYFMr7cMAalU95VrWpf4JU1nBqm6SXFUwL2BR6ke5gbJI4IOqfZXq8kedBdo3OlEJfNIqLWQRe_8OvHHtbra35_MGNP5OnAWbMs1juQkOJKRLYHiEekEENoQR7jrWc7SOGO8MdQZ3zPTWGY56Rq1zTgiyJhENDTVhKIQRXXgDPr3MPRyn3yc7L9v9MPd2t2tHO53mrZ-KQ4GEhx_O8NTtrdkejsO-Pf7dnv_H5x_PeTv37c4d27Ef5gujhDOCntmXF_bHdpOb-8GOvb0oif0TMxXRyC9gzb3m_6_jYWmXYRrj6TQu4T-rLIxL</recordid><startdate>19920201</startdate><enddate>19920201</enddate><creator>PARDI, G</creator><creator>CETIN</creator><creator>MARCONI, AM</creator><creator>BOZZETTI, P</creator><creator>BUSCAGLIA, M</creator><creator>MAKOWSKI, EL</creator><creator>BATTAGLIA, FC</creator><general>MOSBY-YEAR BOOK INC</general><general>Elsevier</general><scope>BLEPL</scope><scope>DTL</scope><scope>EZCTM</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>19920201</creationdate><title>VENOUS DRAINAGE OF THE HUMAN UTERUS - RESPIRATORY GAS STUDIES IN NORMAL AND FETAL GROWTH-RETARDED PREGNANCIES</title><author>PARDI, G ; CETIN ; MARCONI, AM ; BOZZETTI, P ; BUSCAGLIA, M ; MAKOWSKI, EL ; BATTAGLIA, FC</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p235t-d860c9291d2728fb7c804678bd5fd1b7dcefd80c75efff99242653d5d3399d9b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Biological and medical sciences</topic><topic>Blood Gas Analysis</topic><topic>Carbon Dioxide - blood</topic><topic>Diseases of mother, fetus and pregnancy</topic><topic>Female</topic><topic>Fetal Blood - metabolism</topic><topic>Fetal Growth Retardation - blood</topic><topic>Fetal Growth Retardation - physiopathology</topic><topic>Gynecology. Andrology. Obstetrics</topic><topic>Humans</topic><topic>Least-Squares Analysis</topic><topic>Life Sciences & Biomedicine</topic><topic>Medical sciences</topic><topic>Obstetrics & Gynecology</topic><topic>Oxygen - blood</topic><topic>Placenta - blood supply</topic><topic>Pregnancy - blood</topic><topic>Pregnancy - physiology</topic><topic>Pregnancy. Fetus. Placenta</topic><topic>Regional Blood Flow</topic><topic>Regression Analysis</topic><topic>Science & Technology</topic><topic>Umbilical Veins</topic><topic>Uterus - blood supply</topic><topic>Veins - physiology</topic><topic>Veins - physiopathology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>PARDI, G</creatorcontrib><creatorcontrib>CETIN</creatorcontrib><creatorcontrib>MARCONI, AM</creatorcontrib><creatorcontrib>BOZZETTI, P</creatorcontrib><creatorcontrib>BUSCAGLIA, M</creatorcontrib><creatorcontrib>MAKOWSKI, EL</creatorcontrib><creatorcontrib>BATTAGLIA, FC</creatorcontrib><collection>Web of Science Core Collection</collection><collection>Science Citation Index Expanded</collection><collection>Web of Science - Science Citation Index Expanded - 1992</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>MEDLINE - Academic</collection><jtitle>American journal of obstetrics and gynecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>PARDI, G</au><au>CETIN</au><au>MARCONI, AM</au><au>BOZZETTI, P</au><au>BUSCAGLIA, M</au><au>MAKOWSKI, EL</au><au>BATTAGLIA, FC</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>VENOUS DRAINAGE OF THE HUMAN UTERUS - RESPIRATORY GAS STUDIES IN NORMAL AND FETAL GROWTH-RETARDED PREGNANCIES</atitle><jtitle>American journal of obstetrics and gynecology</jtitle><stitle>AM J OBSTET GYNECOL</stitle><addtitle>Am J Obstet Gynecol</addtitle><date>1992-02-01</date><risdate>1992</risdate><volume>166</volume><issue>2</issue><spage>699</spage><epage>706</epage><pages>699-706</pages><issn>0002-9378</issn><eissn>1097-6868</eissn><coden>AJOGAH</coden><abstract>OBJECTIVE: To determine respiratory gas relationships between the uterine veins and umbilical vein in normal and pregnancies complicated by intrauterine growth retardation.
STUDY DESIGN: Respiratory gases were measured in both uterine veins and the umbilical vein in eight normal and 13 pregnancies with intrauterine growth retardation.
RESULTS: No significant differences were found in the placental versus nonplacental uterine veins. There was a significant correlation for umbilical and uterine venous values of PO2 (p < 0.002) and PCO2 (p < 0.004) in appropriate-for-gestational-age pregnancies, umbilical venous PO2 was always less than uterine venous PO2, and PCO2 always greater than uterine. The transplacental gradient was significantly higher in intrauterine growth retarded than appropriate-for-gestational-age pregnancies for both PO2 and PCO2. There was a lower uterine oxygen extraction in intrauterine growth retarded pregnancies (p < 0.05).
CONCLUSION: There is no consistent relationship between placental venous drainage in each uterine vein and placental location. The human placenta simulates a relatively inefficient venous equilibrator and the larger transplacental gradients in intrauterine growth retarded pregnancies may reflect differences in both perfusion pattern and placental structure.</abstract><cop>ST LOUIS</cop><pub>MOSBY-YEAR BOOK INC</pub><pmid>1536255</pmid><doi>10.1016/0002-9378(92)91700-K</doi><tpages>8</tpages></addata></record> |
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| ispartof | American journal of obstetrics and gynecology, 1992-02, Vol.166 (2), p.699-706 |
| issn | 0002-9378 1097-6868 |
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| source | Web of Science - Science Citation Index Expanded - 1992<img src="https://exlibris-pub.s3.amazonaws.com/fromwos-v2.jpg" />; MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Biological and medical sciences Blood Gas Analysis Carbon Dioxide - blood Diseases of mother, fetus and pregnancy Female Fetal Blood - metabolism Fetal Growth Retardation - blood Fetal Growth Retardation - physiopathology Gynecology. Andrology. Obstetrics Humans Least-Squares Analysis Life Sciences & Biomedicine Medical sciences Obstetrics & Gynecology Oxygen - blood Placenta - blood supply Pregnancy - blood Pregnancy - physiology Pregnancy. Fetus. Placenta Regional Blood Flow Regression Analysis Science & Technology Umbilical Veins Uterus - blood supply Veins - physiology Veins - physiopathology |
| title | VENOUS DRAINAGE OF THE HUMAN UTERUS - RESPIRATORY GAS STUDIES IN NORMAL AND FETAL GROWTH-RETARDED PREGNANCIES |
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