2001
Changes in fetal hemodynamics with ritodrine tocolysis
Gokay Z, Ozcan T, Copel J. Changes in fetal hemodynamics with ritodrine tocolysis. Ultrasound In Obstetrics And Gynecology 2001, 18: 44-46. PMID: 11489225, DOI: 10.1046/j.1469-0705.2001.00453.x.Peer-Reviewed Original ResearchConceptsMiddle cerebral arteryTime-velocity integralFetal heart ratePulsatility indexHeart rateRitodrine infusionCerebral arteryUmbilical arteryVelocity integralEffects of ritodrineLeft cardiac outputDoppler pulsatility indexCerebral blood flowFetal cardiovascular systemRitodrine therapyPreterm laborDuctus arteriosusFetal hemodynamicsRenal arteryRitodrine tocolysisCardiac outputThoracic aortaDoppler waveformsAtrioventricular valveBlood flow
2000
Color Doppler imaging of placental masses: differential diagnosis and fetal outcome
Prapas N, Liang R, Hunter D, Copel J, Lu L, Pazkash V, Mari G. Color Doppler imaging of placental masses: differential diagnosis and fetal outcome. Ultrasound In Obstetrics And Gynecology 2000, 16: 559-563. PMID: 11169351, DOI: 10.1046/j.1469-0705.2000.00324.x.Peer-Reviewed Original ResearchConceptsCases of chorioangiomaPlacental massPlacental hemorrhagePremature laborDifferential diagnosisRapid tumor growthColor Doppler imagingColor flow mappingPlacental chorioangiomaFetal outcomesPerinatal outcomesNeonatal deathRetrospective studyDoppler examinationBlood flowChorioangiomaColor DopplerDoppler imagingTumor growthHemorrhageHalf year periodFlow mappingOnly caseDiagnosisSuch massesNoninvasive Diagnosis by Doppler Ultrasonography of Fetal Anemia Due to Maternal Red-Cell Alloimmunization
Mari G, Deter R, Carpenter R, Rahman F, Zimmerman R, Moise K, Dorman K, Ludomirsky A, Gonzalez R, Gomez R, Oz U, Detti L, Copel J, Bahado-Singh R, Berry S, Martinez-Poyer J, Blackwell S. Noninvasive Diagnosis by Doppler Ultrasonography of Fetal Anemia Due to Maternal Red-Cell Alloimmunization. New England Journal Of Medicine 2000, 342: 9-14. PMID: 10620643, DOI: 10.1056/nejm200001063420102.Peer-Reviewed Original ResearchMeSH KeywordsBlood Flow VelocityBlood Group IncompatibilityCordocentesisErythroblastosis, FetalErythrocytesFemaleFetal BloodGestational AgeHemoglobinsHumansInfant, NewbornIsoantibodiesMiddle Cerebral ArteryPregnancyPregnancy Complications, HematologicProspective StudiesReference ValuesRh IsoimmunizationROC CurveSensitivity and SpecificityUltrasonography, Doppler, PulsedUltrasonography, PrenatalConceptsMaternal red cell alloimmunizationRed cell alloimmunizationMiddle cerebral arterySystolic blood flowCerebral arteryBlood flowSevere anemiaFetal anemiaDoppler ultrasonographyNormal fetusesHemoglobin concentrationFetal middle cerebral arteryPeak velocityFetal hemoglobin concentrationAbsence of hydropsPeak systolic velocityGestational ageModerate anemiaSystolic velocityHemoglobin valuesMild anemiaInvasive techniquesAlloimmunizationAnemiaArtery
1996
Adrenal artery velocity waveforms in the appropriate and small‐for‐gestational‐age fetus
Mari G, Uerpairojkit B, Abuhamad A, Copel J. Adrenal artery velocity waveforms in the appropriate and small‐for‐gestational‐age fetus. Ultrasound In Obstetrics And Gynecology 1996, 8: 82-86. PMID: 8883308, DOI: 10.1046/j.1469-0705.1996.08020082.x.Peer-Reviewed Original ResearchConceptsGestational age fetusesArtery pulsatility indexFlow velocity waveformsPulsatility indexVelocity waveformsAdrenal arteryFetal heart rate decelerationsHeart rate decelerationsPreterm deliveryCesarean sectionGestational ageDoppler ultrasonographyAdrenal glandBlood flowHigh incidenceNormal fetusesFetusesRate decelerationConfidence intervalsSuccess rateArteryUltrasonographyGestationIncidence
1995
Blood flow velocity waveforms of the abdominal arteries in appropriate‐ and small‐for‐gestational‐age fetuses
Mari G, Abuhamad A, Uerpairojkit B, Martinez E, Copel J. Blood flow velocity waveforms of the abdominal arteries in appropriate‐ and small‐for‐gestational‐age fetuses. Ultrasound In Obstetrics And Gynecology 1995, 6: 15-18. PMID: 8528795, DOI: 10.1046/j.1469-0705.1995.06010015.x.Peer-Reviewed Original ResearchConceptsGestational age fetusesPulsatility index valuesSuperior mesenteric arteryFlow velocity waveformsPulsatility indexSplenic arteryHepatic arteryMesenteric arteryRenal arteryVelocity waveformsAbdominal arteriesLower pulsatility index valuesSuperior mesenteric artery levelColor flow Doppler ultrasonographyBlood flow velocity waveformsHigher pulsatility indexLow pulsatility indexLow vascular resistanceSuccessful insonationArtery levelVascular resistanceDoppler ultrasonographyArterial waveformBlood flowNormal fetuses