2016
North American Fetal Therapy Network: intervention vs expectant management for stage I twin-twin transfusion syndrome
Emery S, Hasley S, Catov J, Miller R, Moon-Grady A, Baschat A, Johnson A, Lim F, Gagnon A, O'Shaughnessy R, Ozcan T, Luks F, Network N. North American Fetal Therapy Network: intervention vs expectant management for stage I twin-twin transfusion syndrome. American Journal Of Obstetrics And Gynecology 2016, 215: 346.e1-346.e7. PMID: 27131587, DOI: 10.1016/j.ajog.2016.04.024.Peer-Reviewed Original ResearchConceptsTransfusion syndromeLaser therapyExpectant managementStage IPoor outcomePregnancy outcomesPredictors of disease behaviorRecipient maximum vertical pocketRisk of fetal lossDiagnosis of stage ICompare pregnancy outcomesExpectantly managed casesMaximum vertical pocketStage I diseaseProcedure-related complicationsFetal mortality rateOdds of poor outcomeRetrospective observational studyInitial management strategyGestational agePlacenta locationPreterm birthVertical pocketI diseaseFetal loss
2013
Predictive role of prenasal thickness and nasal bone for Down syndrome in the second trimester
Ozcan T, Özlü T, Allen J, Peterson J, Pressman E. Predictive role of prenasal thickness and nasal bone for Down syndrome in the second trimester. European Journal Of Obstetrics & Gynecology And Reproductive Biology 2013, 171: 220-224. PMID: 24044955, DOI: 10.1016/j.ejogrb.2013.08.039.Peer-Reviewed Original ResearchConceptsPrenasal thicknessNasal boneDown syndromePrediction of Down syndromeReceiver operating curve analysisTrimester ultrasound examinationPredictors of DSArea under the curveCut-off valueOperating curve analysisGestational ageNormal karyotypeUltrasound examinationFetusesGroup 2Group 1TrimesterCurve analysisPredictive roleDS casesFrontal boneBoneSyndromeAnterior edgePrediction of DS
2010
Mitral valve–tricuspid valve distance as a sonographic marker of trisomy 21
Grace D, Eggers P, Glantz J, Ozcan T. Mitral valve–tricuspid valve distance as a sonographic marker of trisomy 21. Ultrasound In Obstetrics And Gynecology 2010, 35: 172-177. PMID: 20069681, DOI: 10.1002/uog.7538.Peer-Reviewed Original ResearchConceptsMitral valve-tricuspid valve distanceMarkers of trisomyGestational ageSonographic markersTrisomy 21Cardiac defectsLinear regression analysisGestational age-specific percentilesSecond-trimester sonographic markersEffect of gestational ageRetrospective case-control studyCases of trisomyValve distanceMultiple linear regression analysisRegression analysisCase-control studyAge-specific percentilesWeeks gestationControl fetusesSecond-trimesterTricuspid valveVentricular septumFalse-positive rateTrisomyFetuses
2000
Fetal arterial and venous Doppler parameters in the interpretation of oligohydramnios in postterm pregnancies
Selam B, Koksal R, Ozcan T. Fetal arterial and venous Doppler parameters in the interpretation of oligohydramnios in postterm pregnancies. Ultrasound In Obstetrics And Gynecology 2000, 15: 403-406. PMID: 10976482, DOI: 10.1046/j.1469-0705.2000.00121.x.Peer-Reviewed Original ResearchConceptsAmniotic fluid indexInferior vena cavaMiddle cerebral arteryVenous Doppler parametersPulsatility indexPostterm pregnancyDuctus venosusMCA PI/UA PI ratioSemiquantitative assessment of amniotic fluid volumeAssessment of amniotic fluid volumeRedistribution of fetal blood flowFetal inferior vena cavaFetal middle cerebral arteryDoppler parametersAmniotic fluid volumeCases of oligohydramniosRenal artery PIFetal blood flowPost-term pregnancyPresence of oligohydramniosBrain sparing effectPulsed Doppler imagingCross-sectional studyUmbilical arteryAmniotic fluid
1998
Can a single measurement of amniotic fluid delta optical density be safely used in the clinical management of Rhesus‐alloimmunized pregnancies before 27 weeks' gestation?
Rahman F, Detti L, Ozcan T, Khan R, Manohar S, Mari G. Can a single measurement of amniotic fluid delta optical density be safely used in the clinical management of Rhesus‐alloimmunized pregnancies before 27 weeks' gestation? Acta Obstetricia Et Gynecologica Scandinavica 1998, 77: 804-807. PMID: 9776592, DOI: 10.1034/j.1600-0412.1998.770804.x.Peer-Reviewed Original ResearchConceptsAmniotic fluid samplesWeeks gestationFetal anemiaAmniotic fluid optical densityDiagnosis of fetal anemiaPredicting fetal anemiaFluid samplesDelta optical densityRhesus alloimmunizationCross-sectional studyFetal bloodUltrasound guidanceClinical managementGestationPregnancyAnemiaOptical densityHematocrit levelsPredictive efficacyFetusesWeeksDiagnosisBloodEfficacyHematocrit