Siqi Zhang
Associate Research ScientistCards
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Research
Publications
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
2024
Long-term associations between ambient air pollution and self-perceived health status: Results from the population-based KORA-Fit study
Liao M, Zhang S, Wolf K, Bolte G, Laxy M, Schwettmann L, Peters A, Schneider A, Kraus U. Long-term associations between ambient air pollution and self-perceived health status: Results from the population-based KORA-Fit study. International Journal Of Hygiene And Environmental Health 2024, 264: 114513. PMID: 39719813, DOI: 10.1016/j.ijheh.2024.114513.Peer-Reviewed Original ResearchConceptsSelf-perceived healthLong-term air pollution exposureSelf-perceived health statusAir pollution exposurePoor SRHHealth statusAssociated with poor self-perceived healthPoor self-perceived healthPollution exposureInterquartile rangeLand-use regression modelsLogistic regressionGeocoded residential addressesParticle number concentrationFace-to-face interviewsCooperative Health ResearchEQ-5D index valueSelf-perceived stressAmbient air pollutionEQ-VAS scoresIQR increaseAir pollutionCross-sectional studyBody mass indexMultinomial logistic regressionShort-term effects of temperature and air pollution on mortality in Norway: a nationwide cohort-based study
Rao S, Zhang S, Ahimbisibwe A, Bekkevold T, Di Ruscio F, Palomares A, Frohn L, Geels C, Fernández L, Schneider A. Short-term effects of temperature and air pollution on mortality in Norway: a nationwide cohort-based study. Frontiers In Environmental Health 2024, 3: 1419261. DOI: 10.3389/fenvh.2024.1419261.Peer-Reviewed Original ResearchNatural-cause mortalityCause-specific mortalityPotential effect modificationLevels of air pollutionAir pollutionEffect modificationCardiovascular mortalityIncreased risk of respiratory mortalityIncreased riskRisk of respiratory mortalityConditional logistic regression modelsConcentrations of fine particulate matterHistory of cardiovascular diseaseElevated air pollution levelsCase-crossover studyRisk of cardiovascular mortalityRegression modelsIncreased risk of cardiovascular mortalityShort-term associationsFine particulate matterAir pollutant concentrationsCohort-based studyAir pollution levelsSubgroup of participantsLogistic regression modelsShort-term effects of ambient temperature variability on myocardial infarction hospitalizations in Sweden: A nationwide case-crossover study
Ni W, Stafoggia M, Zhang S, Ljungman P, Breitner S, Bont J, Jernberg T, Atar D, Schneider A, Agewall S. Short-term effects of ambient temperature variability on myocardial infarction hospitalizations in Sweden: A nationwide case-crossover study. European Heart Journal 2024, 45: ehae666.3605. DOI: 10.1093/eurheartj/ehae666.3605.Peer-Reviewed Original ResearchNon-ST-segment elevation myocardial infarctionCase-crossover studyST-segment elevation myocardial infarctionMI hospitalizationHome addressSWEDEHEART registryShort-term effectsElevation myocardial infarctionTemperature variabilityConditional logistic regression modelsPopulation-based nationwide studyAssessed potential effect modificationPatient's home addressMyocardial infarction hospitalizationsPotential effect modificationMyocardial infarctionEffects of temperature variabilityCase-crossover designAssociated with decreased riskSeven-day averageAssociated with increased riskNationwide SWEDEHEART registryLogistic regression modelsClimate changeEffect modificationEffect modification of air pollution on the association between heat and mortality in five European countries
Zhang S, Breitner S, Stafoggia M, Donato F, Samoli E, Zafeiratou S, Katsouyanni K, Rao S, Diz-Lois Palomares A, Gasparrini A, Masselot P, Nikolaou N, Aunan K, Peters A, Schneider A. Effect modification of air pollution on the association between heat and mortality in five European countries. Environmental Research 2024, 263: 120023. PMID: 39293751, DOI: 10.1016/j.envres.2024.120023.Peer-Reviewed Original ResearchHigh PM levelsEffect modificationAir pollutionHeat-related mortalityEffect modification of air pollutantsPM levelsRural dataHighest O<sub>3</sub> level waDaily non-accidental deathsPotential effect modificationMixed-effects meta-regressionRandom-effects meta-analysisAttica region of GreecePoisson regression modelsHeat-mortality associationsAir pollutant concentrationsAir pollution levelsImprove air qualityTime-series studyHeat-related mortality riskHeat-related health impactsNon-accidental deathsSmall area dataTemperature-mortality relationshipPollutant concentrationsHeat and cause-specific cardiopulmonary mortality in Germany: a case-crossover study using small-area assessment
Zhang S, Breitner S, de' Donato F, Stafoggia M, Nikolaou N, Aunan K, Peters A, Schneider A. Heat and cause-specific cardiopulmonary mortality in Germany: a case-crossover study using small-area assessment. The Lancet Regional Health - Europe 2024, 46: 101049. PMID: 39290807, PMCID: PMC11406445, DOI: 10.1016/j.lanepe.2024.101049.Peer-Reviewed Original ResearchCase-crossover studyRelative riskImprove public health practiceConditional quasi-Poisson regressionAssociated with increased mortality riskPublic health practiceRandom-effects meta-analysisQuasi-Poisson regressionHeat-related health impactsDistrict-level characteristicsSmall area dataHealth practicesRespiratory mortalityAssociated with increased mortalityPotential individual-Cardiopulmonary mortalityMortality riskRespiratory deathsSub-causesVulnerability factorsMeta-regressionHealth impactsRural areasMeta-analysisSubgroup analysisShort-Term Effects of Lower Air Temperature and Cold Spells on Myocardial Infarction Hospitalizations in Sweden
Ni W, Stafoggia M, Zhang S, Ljungman P, Breitner S, Bont J, Jernberg T, Atar D, Agewall S, Schneider A. Short-Term Effects of Lower Air Temperature and Cold Spells on Myocardial Infarction Hospitalizations in Sweden. Journal Of The American College Of Cardiology 2024, 84: 1149-1159. PMID: 39230547, DOI: 10.1016/j.jacc.2024.07.006.Peer-Reviewed Original ResearchConceptsST-segment elevation myocardial infarctionAssociated with increased riskRisk of hospitalizationShort-term effectsConditional logistic regression modelsPopulation-based nationwide studyMyocardial infarctionMyocardial infarction hospitalizationsCase-crossover designCase-crossover studyIncreased riskAssociated with decreased riskIncreased risk of hospitalizationCases admitted to hospitalLogistic regression modelsElevation myocardial infarctionNationwide studyRegression modelsHospitalExposure indicatorsPercentile temperatureNSTEMIORRiskLow air temperatureShort-term association between ambient ozone and onset of acute myocardial infarction of young patients: Results from the VIRGO study
Zhang S, Chu L, Lu Y, Krumholz H, Chen K. Short-term association between ambient ozone and onset of acute myocardial infarction of young patients: Results from the VIRGO study. ISEE Conference Abstracts 2024, 2024 DOI: 10.1289/isee.2024.0539.Peer-Reviewed Original ResearchCardiopulmonary effects of short-term ambient PM2.5 exposure: central air quality monitor data versus personal exposure models
Tong H, Pulczinski J, Zhang S, Breen M, Isakov V, Schneider A, Breen M. Cardiopulmonary effects of short-term ambient PM2.5 exposure: central air quality monitor data versus personal exposure models. ISEE Conference Abstracts 2024, 2024 DOI: 10.1289/isee.2024.1051.Peer-Reviewed Original ResearchAssociation between air temperature and self-perceived health status in Southern Germany: Results from KORA FIT study
Sohail H, Zhang S, Kraus U, Mikkonen S, Breitner S, Wolf K, Nikolaou N, Peters A, Lanki T, Schneider A. Association between air temperature and self-perceived health status in Southern Germany: Results from KORA FIT study. International Journal Of Hygiene And Environmental Health 2024, 262: 114431. PMID: 39096579, DOI: 10.1016/j.ijheh.2024.114431.Peer-Reviewed Original ResearchSelf-perceived health statusCompare self-rated healthSelf-rated healthHealth-related quality of lifeHealth statusDistributed lag non-linear modelCooperative Health ResearchHealth-related qualityEQ-5D-5L dimensionsEuroQol visual analog scaleShort-term associationsCross-sectional analysisQuality of lifeFitness studiesAugsburg regionParticipants' homesPopulation-level studiesHealth careHealth researchVisual analog scaleAssociation of heatEQ-VASHealth measuresHealthAnalog scale
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