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
2006
Trends in Fetal Echocardiography and Implications for Clinical Practice
Hamar BD, Dziura J, Friedman A, Kleinman CS, Copel JA. Trends in Fetal Echocardiography and Implications for Clinical Practice. Journal Of Ultrasound In Medicine 2006, 25: 197-202. PMID: 16439782, DOI: 10.7863/jum.2006.25.2.197.Peer-Reviewed Original ResearchConceptsStructural congenital heart diseaseCongenital heart diseaseYale-New Haven HospitalFetal echocardiographyProportion of studiesStudy periodPattern of indicationsPatterns of referralObstetric demographicsNonimmune hydropsObstetric careReferral patternsPrimary indicationSubgroup analysisHeart diseaseFamily historyFetal anomaliesFetal arrhythmiasCardiac diseaseLarge seriesClinical practiceDiabetesTeratogen exposurePrevious childMantel-Haenszel