The effect of intravascular blood transfusion on the flow velocity waveform of the portal venous system of the anemic fetus
d'Ancona R, Rahman F, Ozcan T, Copel J, Mari G. The effect of intravascular blood transfusion on the flow velocity waveform of the portal venous system of the anemic fetus. Ultrasound In Obstetrics And Gynecology 1997, 10: 333-337. PMID: 9444047, DOI: 10.1046/j.1469-0705.1997.10050333.x.Peer-Reviewed Original ResearchConceptsFlow velocity waveformsPortal venous systemAnemic fetusesVelocity waveformsPortal hypertensionIntravascular transfusionPortal veinVenous systemNormal fetusesIntravascular blood transfusionNon-pulsatile flowBlood transfusionRhesus alloimmunizationGestational agePulsatile patternTransfusionFetusesPresence of pulsatilityHypertensionIncreased numberCardiac cyclePulsatileVeinAlloimmunizationUteroIncrease of fetal hematocrit decreases the middle cerebral artery peak systolic velocity in pregnancies complicated by rhesus alloimmunization
Mari G, Rahman F, Olofsson P, Ozcan T, Copel J. Increase of fetal hematocrit decreases the middle cerebral artery peak systolic velocity in pregnancies complicated by rhesus alloimmunization. The Journal Of Maternal-Fetal Medicine 1997, 6: 206-208. PMID: 9260116, DOI: 10.1002/(sici)1520-6661(199707/08)6:4<206::aid-mfm3>3.0.co;2-n.Peer-Reviewed Original ResearchConceptsMiddle cerebral artery peak systolic velocityPeak systolic velocitySystolic velocityFetal hematocritTime of studyIntrauterine transfusionRed blood cellsFetal anemiaRhesus alloimmunizationGestational ageRh alloimmunizationDoppler ultrasoundBlood cellsHematocritAlloimmunizationPregnancyT-testP-valueDoppler measurementsStatistical comparisonTransfusionAnemiaDiagnosis