2001
Ratio of nuchal thickness to humerus length for Down syndrome detection
Bahado-Singh R, Oz U, Hsu C, Deren O, Copel J, Mahoney M. Ratio of nuchal thickness to humerus length for Down syndrome detection. American Journal Of Obstetrics And Gynecology 2001, 184: 1284-1288. PMID: 11349203, DOI: 10.1067/mob.2001.113878.Peer-Reviewed Original ResearchConceptsDown syndrome riskHigh-risk groupMaternal ageSyndrome riskNuchal thicknessDown syndromeDown syndrome detectionStudy populationIndividual Down's syndrome riskMean gestational ageOverall study populationAge-related riskHumerus lengthSyndrome detectionDown syndrome casesDown's syndrome likelihood ratiosGestational ageProspective dataHealthy groupGross anomaliesNormal fetusesSyndrome casesBiparietal diameterAmniocentesis casesFetal population
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
1999
A new splenic artery Doppler velocimetric index for prediction of severe fetal anemia associated with Rh alloimmunization
Bahado-Singh R, Oz U, Deren O, Pirhonen J, Kovanci E, Copel J, Onderoglu L. A new splenic artery Doppler velocimetric index for prediction of severe fetal anemia associated with Rh alloimmunization. American Journal Of Obstetrics And Gynecology 1999, 180: 49-54. PMID: 9914577, DOI: 10.1016/s0002-9378(99)70148-1.Peer-Reviewed Original ResearchConceptsMain splenic arterySevere fetal anemiaSevere anemiaHemoglobin deficitFetal anemiaSplenic arteryGestational ageDoppler velocimetric indicesDevelopment of hydropsNew Doppler indexVelocimetric indicesCase patientsDoppler indicesRh alloimmunizationRh sensitizationHealthy fetusesAnemiaFalse positive rateNoninvasive predictionDiastolic phaseAnemia detectionDoppler velocimetrySignificant correlationArteryCordocentesisA high-sensitivity alternative to “routine” genetic amniocentesis: Multiple urinary analytes, nuchal thickness, and age
Bahado-Singh R, Oz U, Kovanci E, Cermik D, Copel J, Mahoney M, Cole L. A high-sensitivity alternative to “routine” genetic amniocentesis: Multiple urinary analytes, nuchal thickness, and age. American Journal Of Obstetrics And Gynecology 1999, 180: 169-173. PMID: 9914599, DOI: 10.1016/s0002-9378(99)70170-5.Peer-Reviewed Original ResearchConceptsAdvanced maternal ageNuchal thicknessMaternal ageGenetic amniocentesisDown syndrome detection rateUrinary beta-core fragmentUrinary analytesMaternal age-related riskRisk thresholdSyndrome detection rateTotal study populationHigh-risk groupAge-related riskBeta-core fragmentRate of amniocentesisHuman chorionic gonadotropinDown syndrome riskDown's syndrome likelihood ratiosDown's syndrome screening efficiencyLikelihood ratioCommon indicationFalse positive rateNormal medianPregnant womenSyndrome risk
1998
New triple screen test for Down syndrome: Combined urine analytes and serum AFP
Bahado‐Singh R, Oz U, Kovanci E, Cermik D, Flores D, Copel J, Mahoney M, Cole L. New triple screen test for Down syndrome: Combined urine analytes and serum AFP. The Journal Of Maternal-Fetal Medicine 1998, 7: 111-114. PMID: 9642606, DOI: 10.1002/(sici)1520-6661(199805/06)7:3<111::aid-mfm2>3.0.co;2-n.Peer-Reviewed Original ResearchConceptsSerum AFPIndividual Down syndrome oddsMaternal ageTriple screenUrine beta-core fragmentDown syndromeTriple testTriple screen testBeta-core fragmentDown syndrome casesNeural tube defectsDown's syndrome likelihood ratiosEstriol levelsLarge trialsSecond trimesterUrine testsPositive rateEstriol ratioSyndrome casesTube defectsScreen testFalse positive rateAFP dataUrine analytesAFP
1987
Fetal echocardiographic screening for congenital heart disease: The importance of the four-chamber view
Copel J, Pilu G, Green J, Hobbins J, Kleinman C. Fetal echocardiographic screening for congenital heart disease: The importance of the four-chamber view. American Journal Of Obstetrics And Gynecology 1987, 157: 648-655. PMID: 3631166, DOI: 10.1016/s0002-9378(87)80022-4.Peer-Reviewed Original ResearchMeSH KeywordsEchocardiographyFalse Negative ReactionsFalse Positive ReactionsFemaleFetal DiseasesFetal HeartHeart Defects, CongenitalHumansPregnancyPrenatal DiagnosisRiskConceptsCongenital heart diseaseFour-chamber viewHeart diseasePredictive valueRoutine obstetric ultrasound examinationFetal echocardiographic screeningObstetric ultrasound examinationNegative predictive valuePositive predictive valueObstetrical sonographersEchocardiographic screeningUltrasound examinationDiseaseUseful screenAbnormal heartFetusesHeartScreening methodPregnancyAbnormalities