一个ST-升高心肌梗塞和有机碳和源特定PM2.5度的案例交叉研究在纽约蒙罗县,纽约
Tianming Zhao1, Philip K Hopke1,2, Mark J Utell3,4
1Department of Public Health Sciences, University of Rochester Medical Center, Rochester, NY, United States.
Frontiers in public health
|August 16, 2024
概括
增加的二次有机碳 (SOC) 度与更高的ST升高心肌梗塞 (STEMI) 发生率有关. 汽油 (GAS) 排放对STEMI率的不利影响似乎正在下降,可能是由于空气质量政策.
科学领域:
- 环境健康 环境健康
- 心血管研究研究心血管研究
- 空气污染流行病学
背景情况:
- 以前的研究将PM2.5与纽约的心血管住院病例联系起来.
- 交通相关污染物的短期增加与罗切斯特的ST升高心肌梗塞 (STEMI) (2014-2016) 相关联,但不迟于此.
- 空气质量政策的变化可能改变了PM2.5的组成和来源.
研究的目的:
- 调查STEMI率和有机碳度与特定来源的PM2.5.5之间的关联.
- 确定空气污染成分的变化是否影响了STEMI发病率.
主要方法:
- 利用来自罗切斯特大学医学中心的STEMI患者数据.
- 采用了具有条件后勤回归的时间分层案例交叉设计.
- 从2014年至2019年分析了组成和来源分配的PM2.5度 (POC,SOC,GAS,DIE).
主要成果:
- 在整个研究期间,STEMI率与柴油 (DIE) 或汽油 (GAS) 排放之间没有发现显著的关联.
- 在2014-2016年期间,增加的GAS度与同一天更高的STEMI率有关.
- 六天内二次有机碳 (SOC) 平均度较高与STEMI率增加有关 (RR=1.14).
结论:
- 较高的SOC度可能会导致STEMI发病率的增加.
- 气体排放对STEMI的影响似乎正在减少.
- 观察到的变化可能与PM2.5组成的变化有关,这些变化遵循了Tier 3车辆排放标准.
更多相关视频
相关概念视频
Acute Coronary Syndrome I: Introduction
Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations
The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
Acute Coronary Syndrome III: Diagnostic Studies
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...


