2012
Comparative Analysis of 2-D Versus 3-D Ultrasound Estimation of the Fetal Adrenal Gland Volume and Prediction of Preterm Birth
Turan O, Turan S, Buhimschi I, Funai E, Campbell K, Bahtiyar O, Harman C, Copel J, Baschat A, Buhimschi C. Comparative Analysis of 2-D Versus 3-D Ultrasound Estimation of the Fetal Adrenal Gland Volume and Prediction of Preterm Birth. American Journal Of Perinatology 2012, 29: 673-680. PMID: 22644825, PMCID: PMC3838705, DOI: 10.1055/s-0032-1314887.Peer-Reviewed Original Research
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 reportCombined ultrasound biometry, serum markers and age for Down syndrome risk estimation
Bahado‐Singh R, Oz A, Gomez K, Hunter D, Copel J, Baumgarten A, Mahoney M. Combined ultrasound biometry, serum markers and age for Down syndrome risk estimation. Ultrasound In Obstetrics And Gynecology 2000, 15: 199-204. PMID: 10846774, DOI: 10.1046/j.1469-0705.2000.00071.x.Peer-Reviewed Original ResearchConceptsMaternal ageAlpha-fetoproteinTriple screenSerum markersUltrasound biometryDown syndromeNuchal thickness measurementMedian maternal ageSerum alpha-fetoproteinNormal singleton pregnanciesHumerus lengthGestational age rangeDown's syndrome screening efficiencySingleton pregnanciesReferral populationFalse positive rateSecond trimesterIndividual Down syndrome oddsFetal biometryUnconjugated estriolStudy groupNuchal thicknessDown syndrome risk estimationHCGAge rangeNoninvasive 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
1999
The Doppler cerebroplacental ratio and perinatal outcome in intrauterine growth restriction
Bahado-Singh R, Kovanci E, Jeffres A, Oz U, Deren O, Copel J, Mari G. The Doppler cerebroplacental ratio and perinatal outcome in intrauterine growth restriction. American Journal Of Obstetrics And Gynecology 1999, 180: 750-756. PMID: 10076158, DOI: 10.1016/s0002-9378(99)70283-8.Peer-Reviewed Original ResearchConceptsIntrauterine growth restrictionDoppler cerebroplacental ratioPerinatal outcomesCerebroplacental ratioBirth weightGrowth restrictionDoppler examinationUmbilical artery pulsatility index valuesStepwise logistic regression analysisAbnormal cerebroplacental ratioBrain-sparing effectLast Doppler examinationUmbilical artery DopplerUmbilical artery velocimetryPulsatility index valuesReceiver operator curve characteristicsReceiver operator characteristic curveLogistic regression analysisRegression analysisArtery DopplerPerinatal morbidityPerinatal complicationsWeeks' gestationNormal medianPerinatal problems
1997
Maternal Serum Uric Acid Levels in Preeclamptic Women with Multiple Gestations
Hsu C, Chhung Y, Lee I, Chou K, Copel J. Maternal Serum Uric Acid Levels in Preeclamptic Women with Multiple Gestations. American Journal Of Perinatology 1997, 14: 613-617. PMID: 9605248, DOI: 10.1055/s-2008-1040764.Peer-Reviewed Original ResearchConceptsMaternal serum uric acid levelsSerum uric acid levelsDiagnosis of preeclampsiaUric acid levelsTriplet gestationsMultiple gestationsTwin gestationsGestational ageCutoff valueClinically useful cutoff valuesAcid levelsElevated liver enzymesBlood pressure >Receiver operating characteristic curveStages of gestationPreeclamptic womenEclamptic seizuresPreeclampsiaGestationNonpreeclampticsLiver enzymesMedical recordsSerumCharacteristic curveDiagnosis
1996
Risk of Down syndrome and any clinically significant chromosome defect in pregnancies with abnormal triple-screen and normal targeted ultrasonographic results
Bahado-Singh R, Tan A, Deren O, Hunter D, Copel J, Mahoney M. Risk of Down syndrome and any clinically significant chromosome defect in pregnancies with abnormal triple-screen and normal targeted ultrasonographic results. American Journal Of Obstetrics And Gynecology 1996, 175: 824-829. PMID: 8885729, DOI: 10.1016/s0002-9378(96)80006-8.Peer-Reviewed Original Research
1995
Normal nuchal thickness inthe midtrimester indicates reduced risk of Down syndrome in pregnancies with abnormal triple-screen results
Bahado-Singh R, Goldstein I, Uerpairojkit B, Copel J, Mahoney M, Baumgarten A. Normal nuchal thickness inthe midtrimester indicates reduced risk of Down syndrome in pregnancies with abnormal triple-screen results. American Journal Of Obstetrics And Gynecology 1995, 173: 1106-1110. PMID: 7485301, DOI: 10.1016/0002-9378(95)91334-3.Peer-Reviewed Original ResearchConceptsAbnormal triple-screen resultsTriple-screen resultsNuchal thicknessDown syndromeHuman chorionic gonadotropin levelsNuchal thickness measurementChorionic gonadotropin levelsReceiver operator characteristic curveNumber of amniocentesesReceiver operator characteristic plotsRisk thresholdMidtrimester pregnancyGonadotropin levelsWeeks' gestationMaternal ageConsecutive fetusesUnconjugated estriolSerum screeningEuploid fetusesAlpha-fetoproteinSyndromeTrisomy 21Screen resultsRisk estimatesFetusesDiagnosis of fetal anemia with Doppler ultrasound in the pregnancy complicated by maternal blood group immunization
Mari G, Adrignolo A, Abuhamad A, Pirhonen J, Jones D, Ludomirsky A, Copel J. Diagnosis of fetal anemia with Doppler ultrasound in the pregnancy complicated by maternal blood group immunization. Ultrasound In Obstetrics And Gynecology 1995, 5: 400-405. PMID: 7552802, DOI: 10.1046/j.1469-0705.1995.05060400.x.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnemia, HemolyticBlood Flow VelocityBlood Group AntigensCerebral ArteriesCordocentesisErythroblastosis, FetalFemaleFetal BloodGestational AgeHumansInfant, NewbornObserver VariationPregnancyProspective StudiesRetrospective StudiesRh IsoimmunizationROC CurveTransfusion ReactionUltrasonography, Doppler, ColorUltrasonography, Doppler, PulsedUltrasonography, PrenatalConceptsMiddle cerebral artery peak systolic velocityPeak systolic velocitySystolic velocityFetal anemiaGroup AAnemic fetusesMiddle cerebral artery peak systolic velocity valuesMiddle cerebral artery peak velocityFetal middle cerebral artery peak systolic velocityPeak systolic velocity valuesSystolic velocity valuesPeak velocityNormal mean valueAnemia riskNon-invasive methodGroup B.Prospective fashionFetal hematocritGroup BDoppler ultrasoundGroup CNormal fetusesAnemiaFetusesNormal valuesThe predictive value of maternal serum testing for detection of fetal anemia in red blood cell alloimmunization
Moise K, Perkins J, Sosler S, Brown S, Saade G, Carpenter R, Thorp J, Ludomirski A, Wilkins I, Grannum P, Copel J. The predictive value of maternal serum testing for detection of fetal anemia in red blood cell alloimmunization. American Journal Of Obstetrics And Gynecology 1995, 172: 1003-1009. PMID: 7892839, DOI: 10.1016/0002-9378(95)90034-9.Peer-Reviewed Original ResearchConceptsRed blood cell alloimmunizationFetal anemiaMarsh scoreReceiver operator characteristic curveCoombs titersRed blood cell antibodiesMaternal antibody titersGroups of fetusesMaternal serum testingCharacteristic curveMaternal serum testsMaternal titersCell antibodiesAntigen statusGestational agePregnant womenAntibody titersSerum testingSerum testFetal hematocritInvasive testingFetal bloodKruskal-Wallis testAnemiaFetal disease