2024
Long-term exposure to wildland fire smoke PM2.5 and mortality in the contiguous United States
Ma Y, Zang E, Liu Y, Wei J, Lu Y, Krumholz H, Bell M, Chen K. Long-term exposure to wildland fire smoke PM2.5 and mortality in the contiguous United States. Proceedings Of The National Academy Of Sciences Of The United States Of America 2024, 121: e2403960121. PMID: 39316057, PMCID: PMC11459178, DOI: 10.1073/pnas.2403960121.Peer-Reviewed Original ResearchConceptsWildland firesContiguous United StatesNonaccidental mortalityExposure to ambient fine particlesSmoke PM<sWildland fire smokeMoving average concentrationsAmbient fine particlesLong-term exposureAverage concentrationSmoke PMHealth risksFine particlesFire smokeTemporal confoundingHealth effectsKidney disease mortalityChronic kidney disease mortalityPublic health actionFireMortality rateUnited StatesDisease mortalityHealth actionsMortality outcomesAir pollution changes due to COVID-19 lockdowns and attributable mortality changes in four countries
Ma Y, Nobile F, Marb A, Dubrow R, Kinney P, Peters A, Stafoggia M, Breitner S, Chen K. Air pollution changes due to COVID-19 lockdowns and attributable mortality changes in four countries. Environment International 2024, 187: 108668. PMID: 38640613, DOI: 10.1016/j.envint.2024.108668.Peer-Reviewed Original ResearchConceptsMeteorological normalization techniqueAir pollution changesFine particulate matterImprove air qualityEmission control strategiesCentral-southern ItalyPollution changesParticulate matterRegion-specific estimatesAir qualityMeteorological impactsAir pollutionPollutionCOVID-19 lockdownModeling approachAirCaliforniaMortality changesConcentrationJiangsuEmissionTime trendsLocal characteristicsChinaMatterImpact of population aging on future temperature-related mortality at different global warming levels
Chen K, de Schrijver E, Sivaraj S, Sera F, Scovronick N, Jiang L, Roye D, Lavigne E, Kyselý J, Urban A, Schneider A, Huber V, Madureira J, Mistry M, Cvijanovic I, Gasparrini A, Vicedo-Cabrera A. Impact of population aging on future temperature-related mortality at different global warming levels. Nature Communications 2024, 15: 1796. PMID: 38413648, PMCID: PMC10899213, DOI: 10.1038/s41467-024-45901-z.Peer-Reviewed Original Research
2023
Future temperature-related excess mortality under climate change and population aging scenarios in Canada
Hebbern C, Gosselin P, Chen K, Chen H, Cakmak S, MacDonald M, Chagnon J, Dion P, Martel L, Lavigne E. Future temperature-related excess mortality under climate change and population aging scenarios in Canada. Canadian Journal Of Public Health 2023, 114: 726-736. PMID: 37308698, PMCID: PMC10484859, DOI: 10.17269/s41997-023-00782-5.Peer-Reviewed Original ResearchConceptsPopulation aging scenariosExcess mortalityCoupled Model Inter-comparison Project 6Non-accidental mortalityDemographic changesShared Socioeconomic PathwaysNon-accidental deathsClimate change scenariosTemperature-related mortalityHealth regionsRural areasEstimate associationsCold-related mortalityAging scenariosPopulation growthMortality riskScenarios of population growthSustainable developmentChange scenariosMitigate future climate change impactsGreenhouse gas emission scenariosNet differenceClimate model ensembleEmission climate change scenarioClimate change impacts
2014
Influence of heat wave definitions to the added effect of heat waves on daily mortality in Nanjing, China
Chen K, Bi J, Chen J, Chen X, Huang L, Zhou L. Influence of heat wave definitions to the added effect of heat waves on daily mortality in Nanjing, China. The Science Of The Total Environment 2014, 506: 18-25. PMID: 25460935, DOI: 10.1016/j.scitotenv.2014.10.092.Peer-Reviewed Original ResearchConceptsDifferent heat wave definitionsDisease mortalityChronic obstructive pulmonary disease (COPD) mortalityIschemic heart disease mortalityLag day 2Heart disease mortalityBurden of diseaseCause-specific mortalityDaily mortalityCardiovascular mortalityStroke mortalityEffect modificationHeat wave definitionsStratified analysisRespiratory mortalityDay 2Total mortalityMortalityConsecutive daysHeat warning systemsLower educationDaysAssociationGood model fitCritical role