2025
Short‐Term Associations Between Ambient Ozone and Acute Myocardial Infarction Onset Among Younger Patients: Results From the VIRGO Study
Zhang S, Chu L, Lu Y, Wei J, Dubrow R, Chaudhry S, Spatz E, Krumholz H, Chen K. Short‐Term Associations Between Ambient Ozone and Acute Myocardial Infarction Onset Among Younger Patients: Results From the VIRGO Study. GeoHealth 2025, 9: e2024gh001234. PMID: 39968338, PMCID: PMC11833228, DOI: 10.1029/2024gh001234.Peer-Reviewed Original ResearchAcute myocardial infarction subtypeShort-term associationsAcute myocardial infarctionAcute myocardial infarction onsetAMI riskEffect modificationAssociated with increased AMI riskParticipant's home addressNon-Hispanic blacksNon-ST-segment elevation acute myocardial infarctionNon-Hispanic whitesCase-crossover designType 1 AMIConditional logistic regressionIncreased AMI riskMyocardial infarction onsetType 2 AMIAcute myocardial infarction patientsST-segment elevation acute myocardial infarctionLifestyle factorsSociodemographic statusHome addressUS hospitalsStratified analysisSpatiotemporal deep learning approach
2023
Associations between short-term exposure to PM2.5, NO2 and O3 pollution and kidney-related conditions and the role of temperature-adjustment specification: A case-crossover study in New York state
Chu L, Chen K, Di Q, Crowley S, Dubrow R. Associations between short-term exposure to PM2.5, NO2 and O3 pollution and kidney-related conditions and the role of temperature-adjustment specification: A case-crossover study in New York state. Environmental Pollution 2023, 328: 121629. PMID: 37054868, DOI: 10.1016/j.envpol.2023.121629.Peer-Reviewed Original Research
2022
Short-term exposure to air pollution and mental disorders: a case-crossover study in New York City
Yoo E, Roberts J, Eum Y, Li X, Chu L, Wang P, Chen K. Short-term exposure to air pollution and mental disorders: a case-crossover study in New York City. Environmental Research Health 2022, 1: 015001. DOI: 10.1088/2752-5309/ac6439.Peer-Reviewed Original ResearchER visitsAir pollution exposureMental disordersShort-term exposureRace/ethnicityPollution exposureAmbient air pollution exposureEmergency room visitsConditional logistic regressionCase-crossover studySingle-day lagsCase-crossover designAge group 19Ambient air pollutionRoom visitsRelative riskPsychotic disordersLogistic regressionNew York CityDaily air pollution exposureSpecific disordersVisitsDisordersPpb increaseGroup 19
2020
Hourly Exposure to Ultrafine Particle Metrics and the Onset of Myocardial Infarction in Augsburg, Germany
Chen K, Schneider A, Cyrys J, Wolf K, Meisinger C, Heier M, von Scheidt W, Kuch B, Pitz M, Peters A, Breitner S, Group F. Hourly Exposure to Ultrafine Particle Metrics and the Onset of Myocardial Infarction in Augsburg, Germany. Environmental Health Perspectives 2020, 128: 017003. PMID: 31939685, PMCID: PMC7015564, DOI: 10.1289/ehp5478.Peer-Reviewed Original ResearchConceptsMyocardial infarctionMI casesTime-stratified case-crossover analysisConditional logistic regressionInterquartile range increaseCase-crossover analysisTwo-pollutant modelsMI registryEpidemiological evidenceDifferent particle metricsCardiovascular diseaseMyocardial infractionSimilar associationLogistic regressionHourly air pollutionParticle metricsEffect estimatesHealth effectsExposure metricsIndependent effectsTransient exposureInfarctionAssociationExposureAerodynamic diameter
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