2000
Pregnancy outcomes and cardiac complications in women with mechanical, bioprosthetic and homograft valves
Sadler L, McCowan L, White H, Stewart A, Bracken M, North R. Pregnancy outcomes and cardiac complications in women with mechanical, bioprosthetic and homograft valves. BJOG An International Journal Of Obstetrics & Gynaecology 2000, 107: 245-253. PMID: 10688509, DOI: 10.1111/j.1471-0528.2000.tb11696.x.Peer-Reviewed Original ResearchConceptsMitral bioprosthetic valvesMitral mechanical valvesCardiac complicationsPregnancy loss rateAortic homograft valveHomograft valvesPregnancy outcomesBioprosthetic valvesMechanical valvesPregnancy lossHigher pregnancy loss rateHistorical cohort studyStructural valve deteriorationGreenlane HospitalSubcutaneous heparinCardiac outcomesCohort studyThromboembolic complicationsValve replacementValve deteriorationFirst trimesterComplicationsPregnancyMitral siteWarfarin
1996
Tree-based, Two-stage Risk Factor Analysis for Spontaneous Abortion
Zhang H, Bracken M. Tree-based, Two-stage Risk Factor Analysis for Spontaneous Abortion. American Journal Of Epidemiology 1996, 144: 989-996. PMID: 8916510, DOI: 10.1093/oxfordjournals.aje.a008869.Peer-Reviewed Original ResearchConceptsSpontaneous abortionPutative risk factorsRisk factorsPotential confoundersFirst monthYears of smokingNegative pregnancy outcomesNumber of pregnanciesRisk factor analysisNew risk factorsPotential confounding factorsPregnancy outcomesGynecologic problemsMaternal ageMore cupsMother's heightPregnancyConfounding factorsPassive exposureCocaine useLogistic regressionMantel-HaenszelAbortionConfoundersBirth control