2016
Premature Adult Death in Individuals Born Preterm: A Sibling Comparison in a Prospective Nationwide Follow-Up Study
Risnes KR, Pape K, Bjørngaard JH, Moster D, Bracken MB, Romundstad PR. Premature Adult Death in Individuals Born Preterm: A Sibling Comparison in a Prospective Nationwide Follow-Up Study. PLOS ONE 2016, 11: e0165051. PMID: 27820819, PMCID: PMC5098830, DOI: 10.1371/journal.pone.0165051.Peer-Reviewed Original ResearchConceptsYears of ageExternal causesPremature adult deathsMajority of deathsCause of deathCorresponding risk estimatesLong-term healthPremature adult mortalityCause mortalityNationwide PopulationPreterm birthRegistry linkageNationwide followWeeks' gestationGestational ageWeek 34Week 37Cardiovascular diseaseStudy populationEarly adult mortalityAdult deathsMortalityNorwegian menRisk estimatesDeath
2014
Asthma medication use during pregnancy, wheeze and estimated exposure to ambient nitrogen dioxide
Gent JF, Kezik JM, Hill ME, McKay LA, Holford TR, Leaderer BP, Bracken MB. Asthma medication use during pregnancy, wheeze and estimated exposure to ambient nitrogen dioxide. European Respiratory Journal 2014, 45: 538-540. PMID: 25537555, PMCID: PMC4331059, DOI: 10.1183/09031936.00161514.Peer-Reviewed Original ResearchConceptsAsthma medication useMedication usePregnant womenRisk of wheezePoor pulmonary functionAdverse health outcomesPregnant asthmaticsAsthma exacerbationsAsthma medicationsPerinatal complicationsPulmonary functionFetal growthHealth outcomesPregnancyNO2 exposureWheezeAsthmaMedicationsWomenAmbient nitrogen dioxideMothersMinimal effectExposureAsthmaticsExacerbationLongitudinal associations between asthma and general and abdominal weight status among Norwegian adolescents and young adults: the HUNT Study
Egan KB, Ettinger AS, DeWan AT, Holford TR, Holmen TL, Bracken MB. Longitudinal associations between asthma and general and abdominal weight status among Norwegian adolescents and young adults: the HUNT Study. Pediatric Obesity 2014, 10: 345-352. PMID: 25405952, DOI: 10.1111/ijpo.271.Peer-Reviewed Original ResearchConceptsRisk of asthmaWeight statusSelf-reported physician-diagnosed asthmaSubsequent weight statusPhysician-diagnosed asthmaBaseline weight statusPopulation-based surveyConsequences of obesityAsthmatic malesBaseline asthmaGeneral overweightAbdominal obesitySubsequent asthmaNormal weightObese adolescentsAsthma statusOverweight malesAdiposity associationsAsthmaAsthma associationsOverweightObesitySex stratificationBidirectional associationsAdiposityGeneral, but not abdominal, overweight increases odds of asthma among Norwegian adolescents: the Young‐HUNT study
Egan KB, Ettinger AS, DeWan AT, Holford TR, Holmen TL, Bracken MB. General, but not abdominal, overweight increases odds of asthma among Norwegian adolescents: the Young‐HUNT study. Acta Paediatrica 2014, 103: 1270-1276. PMID: 25131148, DOI: 10.1111/apa.12775.Peer-Reviewed Original ResearchConceptsPubertal development statusBody mass indexWaist circumferenceYoung-HUNT studyOdds ratioSelf-reported physician diagnosisOdds of asthmaAdjusted odds ratioPopulation-based studyConfidence intervalsPotential effect modifiersSelf-administered questionnaireYear old NorwegiansAbdominal obesityMass indexPhysician diagnosisIncrease oddsWeight statusAsthmaEffect modifiersNord-TrøndelagObesityOddsAdolescentsAssociation
2012
Implementing Provider‐based Sampling for the National Children's Study: Opportunities and Challenges
Belanger K, Buka S, Cherry DC, Dudley DJ, Elliott MR, Hale DE, Hertz‐Picciotto I, Illuzzi JL, Paneth N, Robbins JM, Triche EW, Bracken MB. Implementing Provider‐based Sampling for the National Children's Study: Opportunities and Challenges. Paediatric And Perinatal Epidemiology 2012, 27: 20-26. PMID: 23215706, DOI: 10.1111/ppe.12005.Peer-Reviewed Original ResearchConceptsNational Children's StudyProvider-based samplingChildren's StudyNational cohort studyPrenatal care providersNational probability sampleType of providerProbability sampleCohort studyPrenatal careCare providersChild healthProvider groupsAge 21Risk estimatesPrimary sampling unitsWomenBirthProvidersHealthSampling frameSecondary sampling unitsPregnancyNumber of strategiesUtero
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
1999
Magnetic resonance imaging and neurological recovery in acute spinal cord injury: observations from the National Acute Spinal Cord Injury Study 3
Shepard M, Bracken M. Magnetic resonance imaging and neurological recovery in acute spinal cord injury: observations from the National Acute Spinal Cord Injury Study 3. Spinal Cord 1999, 37: 833-837. PMID: 10602525, DOI: 10.1038/sj.sc.3100927.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingAcute spinal cord injurySpinal cord injuryCord injuryMotor functionResonance imagingSpinal cord injury centerBlind clinical trialInitial neurological examinationInitial clinical examinationLight touch sensationComplete cord injurySpinal cord surgeryMultiple logistic regressionNational InstitutePresence of edemaComplete injuryNeurological recoveryRandomized patientsStudy drugCord edemaNeurological statusCord surgeryNeurological examinationNeurological assessmentInterpregnancy Interval and Disparity in Term Small for Gestational Age Births Between Black and White Women
JAMES A, BRACKEN M, COHEN A, SAFTLAS A, LIEBERMAN E. Interpregnancy Interval and Disparity in Term Small for Gestational Age Births Between Black and White Women. Obstetrics And Gynecology 1999, 93: 109-112. DOI: 10.1097/00006250-199901000-00022.Peer-Reviewed Original ResearchConceptsTerm SGA birthsInterpregnancy intervalGestational-age birthsSGA birthWhite womenAge birthBlack womenHospital-based cohort studyShort interpregnancy intervalMultiple logistic regressionLogistic regression analysisSGA deliveryTerm SmallCohort studyParous womenPrevious pregnancyTerm infantsLive birthsElevated riskBoston hospitalsSecondary analysisLogistic regressionWomenBirthOverall rate
1997
Administration of methylprednisolone for 24 or 48 hours or tirilazad mesylate for 48 hours in the treatment of acute spinal cord injury. Results of the Third National Acute Spinal Cord Injury Randomized Controlled Trial. National Acute Spinal Cord Injury Study.
Bracken MB, Shepard MJ, Holford TR, Leo-Summers L, Aldrich EF, Fazl M, Fehlings M, Herr DL, Hitchon PW, Marshall LF, Nockels RP, Pascale V, Perot PL, Piepmeier J, Sonntag VK, Wagner F, Wilberger JE, Winn HR, Young W. Administration of methylprednisolone for 24 or 48 hours or tirilazad mesylate for 48 hours in the treatment of acute spinal cord injury. Results of the Third National Acute Spinal Cord Injury Randomized Controlled Trial. National Acute Spinal Cord Injury Study. JAMA 1997, 277: 1597-604. PMID: 9168289, DOI: 10.1001/jama.277.20.1597.Peer-Reviewed Original ResearchConceptsAcute spinal cord injurySpinal cord injuryNational Acute Spinal Cord Injury StudyFunctional Independence MeasureHours of injuryCord injuryTirilazad groupRegimen groupMethylprednisolone infusionAcute Spinal Cord Injury StudySpinal Cord Injury StudySpinal cord injury centerEfficacy of methylprednisoloneImproved motor recoveryMotor recovery rateAdministration of methylprednisoloneMotor function changesSteroid therapyMethylprednisolone groupSevere sepsisTirilazad mesylateMotor recoveryControlled TrialsInitial presentationIntravenous bolus
1994
The effectiveness of surgery on the treatment of acute spinal cord injury and its relation to pharmacological treatment.
Duh M, Shepard M, Wilberger J, Bracken M. The effectiveness of surgery on the treatment of acute spinal cord injury and its relation to pharmacological treatment. Neurosurgery 1994, 35: 240-8; discussion 248-9. PMID: 7969831, DOI: 10.1227/00006123-199408000-00009.Peer-Reviewed Original ResearchConceptsSpinal cord injuryCord injuryPharmacological treatmentSecond National Acute Spinal Cord Injury StudyNational Acute Spinal Cord Injury StudyAcute Spinal Cord Injury StudyAcute spinal cord injurySpinal Cord Injury StudySevere spinal cord injuryTraumatic spinal cord injuryValue of surgeryRole of surgeryEffectiveness of surgerySpinal cord surgeryNASCIS IINeurological improvementEarly surgeryIncomplete injuriesNeurological recoveryNeurological scoreLate surgeryCord surgeryRandomized studySurgical treatmentMotor scores
1990
A Randomized, Controlled Trial of Methylprednisolone or Naloxone in the Treatment of Acute Spinal-Cord Injury
Bracken M, Shepard M, Collins W, Holford T, Young W, Baskin D, Eisenberg H, Flamm E, Leo-Summers L, Maroon J, Marshall L, Perot P, Piepmeier J, Sonntag V, Wagner F, Wilberger J, Winn H. A Randomized, Controlled Trial of Methylprednisolone or Naloxone in the Treatment of Acute Spinal-Cord Injury. New England Journal Of Medicine 1990, 322: 1405-1411. PMID: 2278545, DOI: 10.1056/nejm199005173222001.Peer-Reviewed Original ResearchConceptsAcute spinal cord injurySpinal cord injuryNeurologic recoverySafety of methylprednisoloneSystematic neurological examinationPlacebo-controlled trialHours of injuryMajor morbidityNeurologic outcomeControlled TrialsNeurological examinationIncomplete lesionsMotor functionMethylprednisoloneNaloxonePatientsBody weightSensory functionInjuryPlaceboInfusionBolusEffective remainsTreatmentDoseReproductive versus chronologic age as a predictor of low birth weight, preterm delivery and intrauterine growth retardation in primiparous women
Mitchell L, Bracken M. Reproductive versus chronologic age as a predictor of low birth weight, preterm delivery and intrauterine growth retardation in primiparous women. Annals Of Human Biology 1990, 17: 377-386. PMID: 2260840, DOI: 10.1080/03014469000001152.Peer-Reviewed Original ResearchConceptsLow birth weightIntrauterine growth retardationReproductive agePreterm deliveryChronologic agePrimiparous womenBirth weightYoung reproductive ageMaternal raceGrowth retardationSingleton live birthsYounger chronologic ageOlder reproductive ageImportant confounding variablesGroup of womenOlder chronologic agesSmoking statusPregnancy riskLive birthsReproductive outcomesConfounding variablesWomenAgeMenarcheal ageRiskEFFECT OF MATERNAL WORK ACTIVITY ON PRETERM BIRTH AND LOW BIRTH WEIGHT
TEITELMAN A, WELCH L, HELLENBRAND K, BRACKEN M. EFFECT OF MATERNAL WORK ACTIVITY ON PRETERM BIRTH AND LOW BIRTH WEIGHT. American Journal Of Epidemiology 1990, 131: 104-113. PMID: 2293743, DOI: 10.1093/oxfordjournals.aje.a115463.Peer-Reviewed Original ResearchConceptsPreterm birthLow birth weight deliveriesLow birth weight rateMaternal work activityLow birth weightLogistic regression modelsPreterm deliveryWeight deliveriesGestational ageBirth weightStanding GroupProlonged standingSignificant associationCaffeine useMarital statusBirthWeight rateMarijuana useWomenAssociationRegression modelsActive groupActive jobsGroupNew HavenConception delay after oral contraceptive use: the effect of estrogen dose**Supported by grant HD 11357 and HD 16282 from the National Institutes for Child Health and Human Development and by grant DA 05484 from the National Institute for Drug Abuse, Bethesda, Maryland.
Bracken M, Hellenbrand K, Holford T. Conception delay after oral contraceptive use: the effect of estrogen dose**Supported by grant HD 11357 and HD 16282 from the National Institutes for Child Health and Human Development and by grant DA 05484 from the National Institute for Drug Abuse, Bethesda, Maryland. Fertility And Sterility 1990, 53: 21-27. PMID: 2295345, DOI: 10.1016/s0015-0282(16)53210-5.Peer-Reviewed Original ResearchConceptsOral contraceptive useContraceptive useFormer oral contraceptive usersConception delayFormer OC usersLower estrogen dosesOral contraceptive usersEffects of estrogenNational InstituteMethod of contraceptionEstrogen doseOC discontinuationEstrogen dosesOral contraceptionOC usersContraceptive usersChild healthProbability of conceptionHigh dosesDrug abuseMean timeDiscontinuationSignificant delaySignificant reductionEstrogen
1987
Incidence and aetiology of hydatidiform mole: an epidemiological review
BRACKEN M. Incidence and aetiology of hydatidiform mole: an epidemiological review. BJOG An International Journal Of Obstetrics & Gynaecology 1987, 94: 1123-1135. PMID: 3322372, DOI: 10.1111/j.1471-0528.1987.tb02311.x.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsRisk factorsNew case-control studyTen-fold riskPopulation-based studyCase-control studyPopulation studiesIndependent effectsEnvironmental risk factorsJapanese population studyCohort studyMalignant sequelaeEpidemiological reviewPregnancy historyMaternal ageUniversity HospitalAge 35Aetiological studiesHigh incidenceInduced abortionPaternal ageEpidemiological investigationsNational ratesEtiologyCaucasian ratesIncidence
1986
CHORIOCARCINOMA INCIDENCE IN THE UNITED STATES
BRINTON L, BRACKEN M, CONNELLY R. CHORIOCARCINOMA INCIDENCE IN THE UNITED STATES. American Journal Of Epidemiology 1986, 123: 1094-1100. PMID: 3706279, DOI: 10.1093/oxfordjournals.aje.a114337.Peer-Reviewed Original ResearchConceptsFold elevated riskIncidence of choriocarcinomaMajority of casesOverall incidenceMaternal ageExcess riskHigh riskElevated riskIncidence patternsHealth StatisticsDisease controlIncidenceBirth effectLivebirthsLower ratesRiskAgeUnited StatesWhitesEnd resultPregnancyChoriocarcinomaYearsEpidemiologyWomen
1985
Ultrasound assessment of the postmature pregnancy.
Moya F, Grannum P, Pinto K, Bracken M, Kadar N, Hobbins J. Ultrasound assessment of the postmature pregnancy. Obstetrics And Gynecology 1985, 65: 319-22. PMID: 3883259.Peer-Reviewed Original ResearchConceptsPostterm pregnancyGrade 2Grade 3 placentaWeeks of gestationNeonatal ponderal indexPlacental gradingPostmature pregnancyPonderal indexUltrasound assessmentUltrasound findingsGrade 0PregnancyImmature placentaPostmaturityUse of ultrasoundPlacentaSimilar frequencyOligohydramniosGestationFetusesIncidenceWeeksMenarcheal age and habitual miscarriage: evidence for an association
Bracken M, Bryce-Buchanan C, Stilten R, Holford T. Menarcheal age and habitual miscarriage: evidence for an association. Annals Of Human Biology 1985, 12: 525-531. PMID: 4091507, DOI: 10.1080/03014468500008101.Peer-Reviewed Original Research
1984
Efficacy of Methylprednisolone in Acute Spinal Cord Injury
Bracken M, Collins W, Freeman D, Shepard M, Wagner F, Silten R, Hellenbrand K, Ransohoff J, Hunt W, Perot P, Grossman R, Green B, Eisenberg H, Rifkinson N, Goodman J, Meagher J, Fischer B, Clifton G, Flamm E, Rawe S. Efficacy of Methylprednisolone in Acute Spinal Cord Injury. JAMA 1984, 251: 45-52. PMID: 6361287, DOI: 10.1001/jama.1984.03340250025015.Peer-Reviewed Original ResearchConceptsAcute spinal cord injurySpinal cord injuryCord injuryEarly case fatalityEfficacy of methylprednisoloneHigh-dose regimenLight touch sensationHigh-dose protocolGroups six weeksNeurological recoveryCase fatalityWound infectionStandard doseMotor functionInitial lesionHigh doseOperative siteSix weeksInjuryMethylprednisoloneTreatment effectsTouch sensationDoseEfficacyMulticenterEPIDEMIOLOGY OF HYDATIDIFORM MOLE AND CHORIOCARCINOMA
BRACKEN M, BRINTON L, HAYASHI K. EPIDEMIOLOGY OF HYDATIDIFORM MOLE AND CHORIOCARCINOMA. Epidemiologic Reviews 1984, 6: 52-75. PMID: 6386504, DOI: 10.1093/oxfordjournals.epirev.a036275.Peer-Reviewed Original Research