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Application of the parametric scan in the investigation of uteroplacental blood flow

We developed a new radioisotope technique to measure placental blood flow for the early detection of placental insufficiency. Using the parametric scan, placental perfusion was measured in 80 late-pregnant women. The T-maximum pictures obtained made it possible to differentiate between the vascular...

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Published in:	European Journal of Nuclear Medicine 1985-01, Vol.10 (5-6), p.286-287
Main Authors:	BODIS, J, ZAMBO, K, NEMESSANYI, Z, MATE, E, CSABA, I. F
Format:	Article
Language:	English
Subjects:	Biological and medical sciences Diseases of mother, fetus and pregnancy Female Fetal Growth Retardation - diagnostic imaging Gynecology. Andrology. Obstetrics Humans Medical sciences Methods Placenta - blood supply Placental Insufficiency - diagnostic imaging Pre-Eclampsia - diagnostic imaging Pregnancy Pregnancy Complications - diagnostic imaging Pregnancy in Diabetics - diagnostic imaging Pregnancy Trimester, Third Pregnancy. Fetus. Placenta Radionuclide Imaging
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container_end_page	287
container_issue	5-6
container_start_page	286
container_title	European Journal of Nuclear Medicine
container_volume	10
creator	BODIS, J ZAMBO, K NEMESSANYI, Z MATE, E CSABA, I. F
description	We developed a new radioisotope technique to measure placental blood flow for the early detection of placental insufficiency. Using the parametric scan, placental perfusion was measured in 80 late-pregnant women. The T-maximum pictures obtained made it possible to differentiate between the vascular and intervillous phases of placental blood flow. The time period of intervillous phase calculated as the percentage of the whole placental Tmax was given as the intervillous perfusion index (IPI). It was demonstrated that the IPI was significantly higher in pregnancies complicated with intrauterine growth retardation (64.2% +/- 16.5%), hypertension (60.0 +/- 15.2) and oedema (57.9% +/- 10.1%) than in the control group (33.7% +/- 10.5%). These data suggest that the first sign of placental insufficiency is the prolongation of the IPI which is likely to precede the quantitative reduction of placental perfusion.
doi_str_mv	10.1007/BF00254477
format	article
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F</creatorcontrib><title>Application of the parametric scan in the investigation of uteroplacental blood flow</title><title>European Journal of Nuclear Medicine</title><addtitle>Eur J Nucl Med</addtitle><description>We developed a new radioisotope technique to measure placental blood flow for the early detection of placental insufficiency. Using the parametric scan, placental perfusion was measured in 80 late-pregnant women. The T-maximum pictures obtained made it possible to differentiate between the vascular and intervillous phases of placental blood flow. The time period of intervillous phase calculated as the percentage of the whole placental Tmax was given as the intervillous perfusion index (IPI). It was demonstrated that the IPI was significantly higher in pregnancies complicated with intrauterine growth retardation (64.2% +/- 16.5%), hypertension (60.0 +/- 15.2) and oedema (57.9% +/- 10.1%) than in the control group (33.7% +/- 10.5%). These data suggest that the first sign of placental insufficiency is the prolongation of the IPI which is likely to precede the quantitative reduction of placental perfusion.</description><subject>Biological and medical sciences</subject><subject>Diseases of mother, fetus and pregnancy</subject><subject>Female</subject><subject>Fetal Growth Retardation - diagnostic imaging</subject><subject>Gynecology. Andrology. Obstetrics</subject><subject>Humans</subject><subject>Medical sciences</subject><subject>Methods</subject><subject>Placenta - blood supply</subject><subject>Placental Insufficiency - diagnostic imaging</subject><subject>Pre-Eclampsia - diagnostic imaging</subject><subject>Pregnancy</subject><subject>Pregnancy Complications - diagnostic imaging</subject><subject>Pregnancy in Diabetics - diagnostic imaging</subject><subject>Pregnancy Trimester, Third</subject><subject>Pregnancy. Fetus. 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Obstetrics</topic><topic>Humans</topic><topic>Medical sciences</topic><topic>Methods</topic><topic>Placenta - blood supply</topic><topic>Placental Insufficiency - diagnostic imaging</topic><topic>Pre-Eclampsia - diagnostic imaging</topic><topic>Pregnancy</topic><topic>Pregnancy Complications - diagnostic imaging</topic><topic>Pregnancy in Diabetics - diagnostic imaging</topic><topic>Pregnancy Trimester, Third</topic><topic>Pregnancy. Fetus. Placenta</topic><topic>Radionuclide Imaging</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>BODIS, J</creatorcontrib><creatorcontrib>ZAMBO, K</creatorcontrib><creatorcontrib>NEMESSANYI, Z</creatorcontrib><creatorcontrib>MATE, E</creatorcontrib><creatorcontrib>CSABA, I. 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F</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Application of the parametric scan in the investigation of uteroplacental blood flow</atitle><jtitle>European Journal of Nuclear Medicine</jtitle><addtitle>Eur J Nucl Med</addtitle><date>1985-01-01</date><risdate>1985</risdate><volume>10</volume><issue>5-6</issue><spage>286</spage><epage>287</epage><pages>286-287</pages><issn>0340-6997</issn><eissn>1619-7089</eissn><coden>EJNMD9</coden><abstract>We developed a new radioisotope technique to measure placental blood flow for the early detection of placental insufficiency. Using the parametric scan, placental perfusion was measured in 80 late-pregnant women. The T-maximum pictures obtained made it possible to differentiate between the vascular and intervillous phases of placental blood flow. The time period of intervillous phase calculated as the percentage of the whole placental Tmax was given as the intervillous perfusion index (IPI). It was demonstrated that the IPI was significantly higher in pregnancies complicated with intrauterine growth retardation (64.2% +/- 16.5%), hypertension (60.0 +/- 15.2) and oedema (57.9% +/- 10.1%) than in the control group (33.7% +/- 10.5%). These data suggest that the first sign of placental insufficiency is the prolongation of the IPI which is likely to precede the quantitative reduction of placental perfusion.</abstract><cop>Berlin</cop><pub>Springer</pub><pmid>3987706</pmid><doi>10.1007/BF00254477</doi><tpages>2</tpages></addata></record>
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subjects	Biological and medical sciences Diseases of mother, fetus and pregnancy Female Fetal Growth Retardation - diagnostic imaging Gynecology. Andrology. Obstetrics Humans Medical sciences Methods Placenta - blood supply Placental Insufficiency - diagnostic imaging Pre-Eclampsia - diagnostic imaging Pregnancy Pregnancy Complications - diagnostic imaging Pregnancy in Diabetics - diagnostic imaging Pregnancy Trimester, Third Pregnancy. Fetus. Placenta Radionuclide Imaging
title	Application of the parametric scan in the investigation of uteroplacental blood flow
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