Stereological quantification of placental villus vascularization and its relation to umbilical artery Doppler flow in intrauterine growth restriction

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dc.contributor.authorSagol, S
dc.contributor.authorSagol, O
dc.contributor.authorOzdemir, N
dc.date.accessioned2019-10-27T18:17:33Z
dc.date.available2019-10-27T18:17:33Z
dc.date.issued2002
dc.departmentEge Üniversitesien_US
dc.description.abstractThe aim of this study was to investigate the changes in the number of vessels within tertiary stem villi and intermediate/terminal villi Which may be responsible for the abnormalities in placental vascular resistance and Doppler velocity index values in growth-restricted fetuses. The placentas of 20 cases with intrauterine growth restriction and 30 cases Which Were appropriate for gestational age Were Studied. The umbilical artery resistance index, pulsatility index and systolic to diastolic ratio Were Measured in each case. The vessels Were quantified by a stereological method described previously and vascular surface density and the volume portion of the villi Were calculated. The placentas of preterm and term cases With intrauterine growth restriction displayed significant reductions in the vascular surface density of stem and intermediate/terminal villi and volume portion of intermediate/terminal villi stroma Mien compared Both gestation-matched normally grown cases (p<0.05). There was no significant correlation between Doppler index values of the umbilical artery and the stereological parameters of the intermediate/terminal and stem villi in the intrauterine growth restriction group (p>0.05). Some of the pregnancies with intrauterine growth restriction (six patients) with normal Doppler flow velocity waveforms had reduced vascularization in the placentas. and these pregnancies Were found to have no perinatal complications. We conclude that. although the placental villi show reduced vascularization in pregnancies with intrauterine growth restriction, the Doppler indices may be normal and this normal flow pattern is related to reduced complication rate. Copyright (C) 2002 John Wiley Sons, Ltd.en_US
dc.identifier.doi10.1002/pd.323en_US
dc.identifier.endpage403en_US
dc.identifier.issn0197-3851
dc.identifier.issue5en_US
dc.identifier.pmid12001195en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage398en_US
dc.identifier.urihttps://doi.org/10.1002/pd.323
dc.identifier.urihttps://hdl.handle.net/11454/35382
dc.identifier.volume22en_US
dc.identifier.wosWOS:000175737500013en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherJohn Wiley & Sons Ltden_US
dc.relation.ispartofPrenatal Diagnosisen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectintrauterine growth restrictionen_US
dc.subjectplacentaen_US
dc.subjectDoppler ultrasonographyen_US
dc.subjectstereologyen_US
dc.titleStereological quantification of placental villus vascularization and its relation to umbilical artery Doppler flow in intrauterine growth restrictionen_US
dc.typeArticleen_US

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