2023
Paired Indoor and Outdoor Nitrogen Dioxide Associated With Childhood Asthma Outcomes in a Mixed Rural-Urban Setting: A Feasibility Study
Wi C, Gent J, Bublitz J, King K, Ryu E, Sorrentino K, Plano J, McKay L, Porcher J, Wheeler P, Chiarella S, DeWan A, Pollitt K, Sheares B, Leaderer B, Juhn Y. Paired Indoor and Outdoor Nitrogen Dioxide Associated With Childhood Asthma Outcomes in a Mixed Rural-Urban Setting: A Feasibility Study. Journal Of Primary Care & Community Health 2023, 14: 21501319231173813. PMID: 37243352, PMCID: PMC10226331, DOI: 10.1177/21501319231173813.Peer-Reviewed Original ResearchConceptsAsthma control statusControl statusAsthma diaryRural-urban settingOutdoor NOChildhood asthma outcomesProspective cohort studySocioeconomic statusLow socioeconomic statusSmall feasibility studyAsthma exacerbationsOlmsted CountyPersistent asthmaAsthma outcomesCohort studyChildhood asthmaRural-urban communityLarger sample sizeAsthmaStudy periodHealth effectsFeasibility studyWeeksStatusLow threshold
2022
Childhood asthma and household exposures to nitrogen dioxide and fine particles: a triple-crossover randomized intervention trial
Gent JF, Holford TR, Bracken MB, Plano JM, McKay LA, Sorrentino KM, Koutrakis P, Leaderer BP. Childhood asthma and household exposures to nitrogen dioxide and fine particles: a triple-crossover randomized intervention trial. Journal Of Asthma 2022, 60: 744-753. PMID: 35796019, PMCID: PMC10162040, DOI: 10.1080/02770903.2022.2093219.Peer-Reviewed Original ResearchConceptsLevels of NOPersistent asthmaAsthma symptomsIntervention trialsNumber of asthmaDays of treatmentSymptom daysAsthma morbidityChildhood asthmaTreatment periodAsthmaCrossover designHousehold exposureSymptomsModest reductionTreatment effectsTreatmentGas stovesTrialsExposureTriple crossoverInterventionChildrenMixed modelsFurther research
2017
NIAID, NIEHS, NHLBI, and MCAN Workshop Report: The indoor environment and childhood asthma—implications for home environmental intervention in asthma prevention and management
Gold DR, Adamkiewicz G, Arshad SH, Celedón JC, Chapman MD, Chew GL, Cook DN, Custovic A, Gehring U, Gern JE, Johnson CC, Kennedy S, Koutrakis P, Leaderer B, Mitchell H, Litonjua AA, Mueller GA, O'Connor GT, Ownby D, Phipatanakul W, Persky V, Perzanowski MS, Ramsey CD, Salo PM, Schwaninger JM, Sordillo JE, Spira A, Suglia SF, Togias A, Zeldin DC, Matsui EC. NIAID, NIEHS, NHLBI, and MCAN Workshop Report: The indoor environment and childhood asthma—implications for home environmental intervention in asthma prevention and management. Journal Of Allergy And Clinical Immunology 2017, 140: 933-949. PMID: 28502823, PMCID: PMC5632590, DOI: 10.1016/j.jaci.2017.04.024.Peer-Reviewed Original ResearchMeSH KeywordsAir Pollution, IndoorAnimalsAsthmaBiomedical ResearchChildConsensus Development Conferences, NIH as TopicDrug IndustryEnvironmental HealthFund RaisingHumansNational Heart, Lung, and Blood Institute (U.S.)National Institute of Allergy and Infectious Diseases (U.S.)National Institute of Environmental Health Sciences (U.S.)Organizations, NonprofitUnited StatesConceptsEnvironmental exposuresCommon chronic childhood diseaseEnvironmental interventionsMerck Childhood Asthma NetworkControl of asthmaExacerbation of asthmaManagement of asthmaChronic childhood diseaseHome environmental interventionsExposure reduction techniquesNational InstituteAirway allergyAsthma preventionAsthma managementAsthma NetworkBlood InstituteChildhood asthmaNational HeartChildhood diseasesAsthmaEnvironmental Health SciencesInfectious diseasesStudy designBiologic propertiesIndoor exposure
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 effectExposureAsthmaticsExacerbation
2012
An environmental epigenetic study of ADRB2 5′‐UTR methylation and childhood asthma severity
Fu A, Leaderer BP, Gent JF, Leaderer D, Zhu Y. An environmental epigenetic study of ADRB2 5′‐UTR methylation and childhood asthma severity. Clinical & Experimental Allergy 2012, 42: 1575-1581. PMID: 22862293, PMCID: PMC3673701, DOI: 10.1111/j.1365-2222.2012.04055.x.Peer-Reviewed Original ResearchConceptsChildhood asthma severityAsthma severitySevere asthmaSignificant associationSevere childhood asthmaBeta-agonist treatmentBeta-2 adrenergic receptorsImportant environmental exposuresAsthma exacerbationsAsthma medicationsMild asthmaChildhood asthmaSurrogate biomarkerMethylation-specific PCRPotential joint effectsClinical relevanceAdrenergic receptorsAsthmaADRB2SeverityEnvironmental exposuresIndoor exposureChildrenAssociationBlood
2011
Association of maternal anemia with increased wheeze and asthma in children
Triche EW, Lundsberg LS, Wickner PG, Belanger K, Leaderer BP, Bracken MB. Association of maternal anemia with increased wheeze and asthma in children. Annals Of Allergy Asthma & Immunology 2011, 106: 131-139.e1. PMID: 21277514, PMCID: PMC3073499, DOI: 10.1016/j.anai.2010.11.007.Peer-Reviewed Original ResearchConceptsMaternal anemiaEarly-onset transientRespiratory health outcomesChildren of womenOffspring of mothersRespiratory disease developmentChildren of mothersYears of ageEarly childhoodAge 3Delivery hospitalizationsRecurrent wheezeCurrent asthmaAsthma diagnosisChildhood asthmaInfant wheezeMaternal nutritionRespiratory healthWheezeAsthmaAnemiaHealth outcomesPregnancyAnemia diagnosisMicronutrient status
2009
Household airborne Penicillium associated with peak expiratory flow variability in asthmatic children
Bundy KW, Gent JF, Beckett W, Bracken MB, Belanger K, Triche E, Leaderer BP. Household airborne Penicillium associated with peak expiratory flow variability in asthmatic children. Annals Of Allergy Asthma & Immunology 2009, 103: 26-30. PMID: 19663123, PMCID: PMC2746059, DOI: 10.1016/s1081-1206(10)60139-1.Peer-Reviewed Original ResearchConceptsPeak expiratory flow variabilityExpiratory flow variabilityAsthmatic childrenAirway hyperreactivityPeak expiratory flowYears of ageLogistic regression modelsAsthma prevalencePhysician diagnosisExpiratory flowChildren 6HyperreactivityChildrenAirborne mold concentrationsRegression modelsAgeCommon moldsIndoor fungiExposureMold concentrationsHomeAsthmaAirborne fungiTotal moldPrevalenceSymptoms and Medication Use in Children with Asthma and Traffic-Related Sources of Fine Particle Pollution
Gent JF, Koutrakis P, Belanger K, Triche E, Holford TR, Bracken MB, Leaderer BP. Symptoms and Medication Use in Children with Asthma and Traffic-Related Sources of Fine Particle Pollution. Environmental Health Perspectives 2009, 117: 1168-1174. PMID: 19654929, PMCID: PMC2717146, DOI: 10.1289/ehp.0800335.Peer-Reviewed Original ResearchConceptsMedication useInhaler useLikelihood of wheezeExacerbation of asthmaMeasures logistic regression modelsRisk of symptomsRespiratory health effectsYears of ageHealth outcomes riskLikelihood of symptomsLogistic regression modelsAsthma 4Outcome riskAsthmaHealth outcomesDaily exposureSymptomsHealth effectsStudy diariesParticle exposureHealth impactsChildrenPublic healthExposureRegression models
2003
Asthma Symptoms, Severity, and Drug Therapy: A Prospective Study of Effects on 2205 Pregnancies
Bracken M, Triche E, Belanger K, Saftlas A, Beckett W, Leaderer B. Asthma Symptoms, Severity, and Drug Therapy: A Prospective Study of Effects on 2205 Pregnancies. Obstetrics And Gynecology 2003, 102: 739. DOI: 10.1097/00006250-200310000-00016.Peer-Reviewed Original ResearchAsthma symptomsOral steroidsAsthma diagnosisPreterm deliveryPregnant womenHistory of asthmaIntrauterine growth restrictionIUGR infantsAsthma guidelinesAsthma historyController medicationsModerate asthmaPregnant patientsAsthma therapySymptomatic patientsAsthma severityFetal effectsSymptomatic womenProspective studyDrug therapyGrowth restrictionΒ2 agonistsAsthmaSymptomsMedications
2001
The relation between fungal propagules in indoor air and home characteristics
Ren P, Jankun T, Belanger K, Bracken M, Leaderer B. The relation between fungal propagules in indoor air and home characteristics. Allergy 2001, 56: 419-424. PMID: 11350305, DOI: 10.1034/j.1398-9995.2001.056005419.x.Peer-Reviewed Original ResearchMeSH KeywordsAir MicrobiologyAir Pollution, IndoorAnimalsAnimals, DomesticAsthmaCatsEnvironmental MonitoringEpidemiological MonitoringFamily CharacteristicsFungiHeatingHousingHumansHumidityIncomeInfantNew EnglandPredictive Value of TestsProspective StudiesSeasonsSurveys and QuestionnairesTime FactorsVentilationConceptsCFU/m3 airInfants' bedroomsMain living areaProspective cohort studyDevelopment of asthmaHome characteristicsAnnual household incomeAllergen exposureCohort studyEpidemiologic studiesM3 airPresence of petsExposure levelsExposure assessmentSignificant differencesBurkard portable air samplerLiving areasQuestionnaireIndoor airFungal exposure assessmentHouse characteristicsHousehold incomeHomeDG-18AsthmaRisk Factors for Asthma Prevalence Among Urban and Nonurban African American Children
von Maffei J, Beckett W, Belanger K, Triche E, Zhang H, Machung J, Leaderer B. Risk Factors for Asthma Prevalence Among Urban and Nonurban African American Children. Journal Of Asthma 2001, 38: 555-564. PMID: 11714078, DOI: 10.1081/jas-100107120.Peer-Reviewed Original ResearchConceptsRisk factorsUrban residenceAfrican American childrenMaternal cigarette smokingPhysician-diagnosed asthmaMultiple risk factorsYears of ageMaternal asthmaAsthmatic childrenAsthma prevalenceCigarette smokingAsthmaAmerican childrenAfrican American mothersIdentifiable factorsChildrenAmerican mothersResidenceFactorsSmokingAllergyNewbornsPrevalence