Cardiopulmonary Risk Assessment from Smoke Exposure at the Wildland Urban Interface
荒地城市界面烟雾暴露的心肺风险评估
基本信息
- 批准号:10360921
- 负责人:
- 金额:$ 70.7万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-02-07 至 2026-11-30
- 项目状态:未结题
- 来源:
- 关键词:AcuteAdultAdvocateAerosolsAnimalsApolipoprotein EAreaAtherosclerosisAutomobile DrivingAwarenessBehaviorBiologicalBiologyBloodBlood CirculationBlood PressureCaliforniaCardiacCardiopulmonaryCardiovascular DiseasesCardiovascular PhysiologyCardiovascular systemCase ManagerCellsCharacteristicsChemicalsChemistryChronicCommunitiesComplexComplex MixturesComputer ModelsCouplingDangerousnessDepositionDevelopmentDoseEFRACEngineeringExposure toFire - disastersFosteringFrequenciesFunctional disorderGasesGenerationsGoalsGrantHealthHealthcareHeartHouseholdHousingHumanIndividualInfiltrationInflammationInflammatoryInhalationInhalation ToxicologyInterdisciplinary StudyKnowledgeLeadLifeLinkLungMeasuresModelingMorbidity - disease rateMusObstructive Lung DiseasesOrganOutcomeParticle SizeParticulateParticulate MatterPersonsPoliciesPolymethyl MethacrylatePopulationPopulations at RiskPseudotsuga menziesiiPublic HealthPulmonary Heart DiseaseRecurrenceResearchResearch PersonnelRespiratory DiseaseRespiratory MechanicsRisk AssessmentRodentRoleSerumSeveritiesSmokeSourceStreamTestingTissuesToxinTrace metalWildfireWood materialbiomass smokebiomechanical testcardiopulmonary systemcareercareer developmentchemokinecostcytokinedensityepidemiologic datafine particlesin vivo imagingmortalitymouse modelnovelparticlepollutantpolyurethane foampressureprogramsrespiratoryresponserisk stratificationsmoke inhalationsymposiumultrafine particle
项目摘要
PROJECT SUMMARY
Acute and chronic wildland fire smoke inhalation have been linked to increased mortality as well as respiratory
and cardiovascular morbidity, though the extent to which the frequency and duration of exposure or the
chemical and particle profiles of the smoke contribute to the observed health effects remains unknown. As the
occurrences of wildland fires and number of people living at the wildland urban interface (WUI) continue to
increase, prolonged inhalation of wildland fire smoke poses a serious threat to public health. Due to this, there
is an urgent need to better understand the adverse cardiopulmonary outcomes associated with the exposure to
wildland urban smoke. The smoke that arises from wildland fires at the WUI is a complex mixture of gases,
trace metals, and fine and ultrafine particles. The latter are particularly dangerous for human health, since they
deposit in the deep regions of the lungs and may translocate into the blood stream, increasing the oxidative and
inflammatory burden, both locally and systemically. Prolonged inflammation can lead to the development of
obstructive lung disease and atherosclerosis. To investigate the link between exposure to WUI smoke and
development of cardiopulmonary dysfunction, our interdisciplinary team brings together expertise in fire
generation and characterization, rodent aerosol exposures, respiratory mechanics, lung biology, and
cardiovascular physiology. To fulfill our goals, we will create lab-scale smoke using materials representative of
WUI regions in Southern California and we will deliver it to mice. In Aim 1, we will investigate the role of
frequency and duration of the exposure, as well as particulate concentration of the wildland fire smoke. In Aim
2, we will focus on the relative contribution of different fuel sources characteristic of the WUI. Furthermore, as
part of this ONES early-stage-investigator project, the PI and co-Is will generate an external advisory panel
consisting of inhalation toxicology researchers, public health advocates, and fire protection experts.
Dissemination of new knowledge gained from this proposal to the community will be a vital part of this
endeavor.
项目概要
急性和慢性野外火灾烟雾吸入与死亡率增加以及呼吸系统疾病有关
和心血管发病率,尽管暴露的频率和持续时间或
烟雾的化学和颗粒特征对观察到的健康影响的贡献仍然未知。作为
荒地火灾的发生率和居住在荒地城市界面(WUI)的人数继续增加
增加,长时间吸入荒地火灾烟雾对公众健康构成严重威胁。由于这个原因,有
迫切需要更好地了解与接触相关的不良心肺结果
荒地城市烟雾。 WUI 荒地火灾产生的烟雾是一种复杂的气体混合物,
微量金属、细颗粒和超细颗粒。后者对人类健康尤其危险,因为它们
沉积在肺部深处,可能会转移到血流中,增加氧化和
局部和全身的炎症负担。长期的炎症会导致
阻塞性肺病和动脉粥样硬化。调查暴露于 WUI 烟雾与
心肺功能障碍的发展,我们的跨学科团队汇集了消防方面的专业知识
产生和表征、啮齿动物气溶胶暴露、呼吸力学、肺生物学和
心血管生理学。为了实现我们的目标,我们将使用具有代表性的材料制造实验室规模的烟雾
南加州的 WUI 地区,我们会将其递送给小鼠。在目标 1 中,我们将研究
暴露的频率和持续时间,以及荒地火灾烟雾的颗粒浓度。瞄准
2、我们将重点关注不同燃料来源特征对WUI的相对贡献。此外,如
作为该 ONES 早期研究员项目的一部分,PI 和 co-Is 将组建一个外部顾问小组
由吸入毒理学研究人员、公共卫生倡导者和消防专家组成。
向社区传播从该提案中获得的新知识将是这一计划的重要组成部分
努力。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Jessica M Oakes其他文献
Jessica M Oakes的其他文献
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{{ truncateString('Jessica M Oakes', 18)}}的其他基金
Coupling MRI-Derived Ventilation with Computational Models to Assess Inhaled Aerosol Treatment Feasibility in Severe Asthmatic Adults
将 MRI 衍生通气与计算模型相结合,评估吸入气雾剂治疗成人严重哮喘的可行性
- 批准号:
9441318 - 财政年份:2017
- 资助金额:
$ 70.7万 - 项目类别:
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