2014
Doppler abnormalities in monochorionic diamniotic twin pregnancies with discordant growth
Zuckerwise L, Nayeri U, Abdel-Razeq S, Copel J, Bahtiyar M. Doppler abnormalities in monochorionic diamniotic twin pregnancies with discordant growth. Journal Of Perinatology 2014, 35: 387-389. PMID: 25521562, DOI: 10.1038/jp.2014.223.Peer-Reviewed Original ResearchConceptsDoppler flow velocity waveformsFlow velocity waveformsDiscordant growthVelocity waveformsTwin gestationsSmall fetusesAbnormal umbilical artery Doppler flow velocity waveformsUmbilical artery Doppler flow velocity waveformsMonochorionic diamniotic twin gestationsMonochorionic diamniotic twin pregnanciesNeonatal intensive care unitDiamniotic twin gestationsMCDA twin pairsDiamniotic twin pregnanciesEnd-diastolic flowLow Apgar scoreBirth weight discordanceDiscordant fetal growthIntensive care unitTwin transfusion syndromeDoppler velocity waveformsT-testElectronic medical recordsTwin pairsStudent's t-test
2010
Is the Rate of Congenital Heart Defects Detected by Fetal Echocardiography Among Pregnancies Conceived by In Vitro Fertilization Really Increased?
Bahtiyar MO, Campbell K, Dulay AT, Kontic-Vucinic O, Weeks BP, Friedman AH, Copel JA. Is the Rate of Congenital Heart Defects Detected by Fetal Echocardiography Among Pregnancies Conceived by In Vitro Fertilization Really Increased? Journal Of Ultrasound In Medicine 2010, 29: 917-922. PMID: 20498466, DOI: 10.7863/jum.2010.29.6.917.Peer-Reviewed Original ResearchConceptsIVF pregnanciesFrequency of CHDsFetal echocardiographyCHD riskGeneral populationCongenital heartContemporary general populationIVF twin pregnanciesHigher-order pregnanciesIntracytoplasmic sperm injectionFertilization pregnanciesStudy patientsTwin gestationsTwin pregnanciesPrenatal prevalencePopulation dataStudy populationHigh riskSperm injectionPregnancyVitro FertilizationEchocardiographyReferral programCHDPatients
2008
Prenatal Course of Isolated Muscular Ventricular Septal Defects Diagnosed Only by Color Doppler Sonography
Bahtiyar MO, Dulay AT, Weeks BP, Friedman AH, Copel JA. Prenatal Course of Isolated Muscular Ventricular Septal Defects Diagnosed Only by Color Doppler Sonography. Journal Of Ultrasound In Medicine 2008, 27: 715-720. PMID: 18424646, DOI: 10.7863/jum.2008.27.5.715.Peer-Reviewed Original ResearchMeSH KeywordsCohort StudiesDown SyndromeEchocardiographyFemaleFetal DevelopmentFetal DiseasesFetal HeartFollow-Up StudiesGestational AgeHeart Septal Defects, VentricularHumansInfant, NewbornNuchal Translucency MeasurementPregnancyPregnancy OutcomeProspective StudiesRisk AssessmentTripletsTwinsUltrasonography, Doppler, ColorUltrasonography, PrenatalConceptsVentricular septal defectColor Doppler examinationMuscular VSDDoppler examinationSeptal defectStudy groupIsolated muscular ventricular septal defectTrisomy 21Isolated ventricular septal defectMuscular ventricular septal defectsHigh-resolution ultrasound equipmentCommon congenital heart defectSmall muscular VSDMean gestational ageFetal echocardiographic examinationColor Doppler sonographyCongenital heart defectsPrenatal resolutionTriplet gestationsEchocardiographic examinationGestational ageCounseling patientsPerinatal courseTwin gestationsFirst trimester
2007
Prevalence of Congenital Heart Defects in Monochorionic/Diamniotic Twin Gestations
Bahtiyar MO, Dulay AT, Weeks BP, Friedman AH, Copel JA. Prevalence of Congenital Heart Defects in Monochorionic/Diamniotic Twin Gestations. Journal Of Ultrasound In Medicine 2007, 26: 1491-1498. PMID: 17957043, DOI: 10.7863/jum.2007.26.11.1491.Peer-Reviewed Original ResearchConceptsTwin-twin transfusion syndromeDiamniotic twin gestationsTwin gestationsVentricular septal defectSeptal defectPulmonary stenosisTwin pregnanciesRisk factorsRelative riskHeart defectsCongenital heartFrequent heart defectsConfidence intervalsAtrial septal defectMedical Subject Headings termsCongenital heart defectsRandom-effects modelSubject Headings termsCHD prevalenceTransfusion syndromeAbnormal placentationFetal echocardiographyObservational studyGestationSystematic review