2023
Racial/ethnic disparities in PM2.5-attributable cardiovascular mortality burden in the United States
Ma Y, Zang E, Opara I, Lu Y, Krumholz H, Chen K. Racial/ethnic disparities in PM2.5-attributable cardiovascular mortality burden in the United States. Nature Human Behaviour 2023, 7: 2074-2083. PMID: 37653149, PMCID: PMC10901568, DOI: 10.1038/s41562-023-01694-7.Peer-Reviewed Original ResearchConceptsNon-Hispanic White peopleCVD deathMortality burdenNon-Hispanic black peopleCardiovascular disease mortality ratesDisease mortality ratesNon-Hispanic blacksRace/ethnicityMortality rateLong-term exposureWhite peopleEthnic disparitiesHealth benefitsHispanic peopleSignificant differencesBurdenDeathUS countiesEthnic groupsAbsolute disparityAssociationExposureEthnic minoritiesDisparitiesAmbient fine particulate matter (PM2.5) concentrations
2022
Triggering of myocardial infarction by heat exposure is modified by medication intake
Chen K, Dubrow R, Breitner S, Wolf K, Linseisen J, Schmitz T, Heier M, von Scheidt W, Kuch B, Meisinger C, Peters A, Schneider A. Triggering of myocardial infarction by heat exposure is modified by medication intake. Nature Cardiovascular Research 2022, 1: 727-731. PMID: 39196082, DOI: 10.1038/s44161-022-00102-z.Peer-Reviewed Original ResearchMyocardial infarctionEffect modificationMI riskPre-existing coronary heart diseaseAnti-platelet medicationCertain cardiovascular medicationsBeta-receptor blockersCoronary heart diseaseAcute myocardial infarctionHeat exposureCardiovascular medicationsOlder patientsYounger patientsMedication useMedication intakeHeart diseaseHigh prevalenceLow prevalenceMI casesMedicationsPatientsInfarctionSignificant differencesCHDPrevalence
2021
Association between extreme temperatures and emergency room visits related to mental disorders: A multi-region time-series study in New York, USA
Yoo EH, Eum Y, Roberts JE, Gao Q, Chen K. Association between extreme temperatures and emergency room visits related to mental disorders: A multi-region time-series study in New York, USA. The Science Of The Total Environment 2021, 792: 148246. PMID: 34144243, DOI: 10.1016/j.scitotenv.2021.148246.Peer-Reviewed Original ResearchConceptsEmergency room visitsER visitsMental disordersRoom visitsShort-term exposurePotential effect modificationMental health disordersSpecific mental disordersPositive associationRace/ethnicityEffect modificationExposure-response curvesStratified analysisLag non-linear modelHealth disordersTime-series studySubstance abuseRisk estimatesAnxiety disordersVisitsDisordersMental diseasesCertain populationsSignificant differencesTime trends