2000
Splenic artery Doppler peak systolic velocity predicts severe fetal anemia in rhesus disease
Bahado-Singh R, Oz U, Deren O, Kovanchi E, Hsu C, Copel J, Mari G. Splenic artery Doppler peak systolic velocity predicts severe fetal anemia in rhesus disease. American Journal Of Obstetrics And Gynecology 2000, 182: 1222-1226. PMID: 10819862, DOI: 10.1016/s0002-9378(00)70189-x.Peer-Reviewed Original ResearchConceptsDoppler peak systolic velocityPeak systolic velocitySevere anemiaSystolic velocityPrior transfusionsGestational ageHemoglobin deficitStudy groupSplenic artery peak systolic velocityMean peak systolic velocityPeak systolic velocity valuesMean gestational ageOverall study groupSevere fetal anemiaCord blood specimensSystolic velocity valuesNonhydropic fetusesMean hemoglobinRhesus diseaseFetal anemiaFetal hydropsStudy populationBlood specimensNormal fetusesFirst such report
1990
Does the umbilical artery systolic/diastolic ratio reflect flow or acidosis? An umbilical artery Doppler study of fetal sheep
Copel J, Schlafer D, Wentworth R, Belanger K, Kreitzer L, Hobbins J, Nathanielsz P. Does the umbilical artery systolic/diastolic ratio reflect flow or acidosis? An umbilical artery Doppler study of fetal sheep. American Journal Of Obstetrics And Gynecology 1990, 163: 751-756. PMID: 2206067, DOI: 10.1016/0002-9378(90)91062-h.Peer-Reviewed Original ResearchConceptsSystolic/diastolic ratioUmbilical artery systolic/diastolic ratioDiastolic ratioFetal sheepNormal systolic/diastolic ratioUmbilical artery Doppler studiesArterial blood gas levelsBlood gas levelsAcid-base statusArtery embolizationFetal oxygenationPlacental perfusionMaternal anesthesiaPlacental embolizationAcute modelDoppler studiesThird injectionUmbilical flowFourth injectionSubsequent embolizationDays gestationFirst injectionSecond injectionEmbolizationGreater magnitude change