Am J Rhinol Allergy:慢性鼻窦炎中空气污染物暴露与鼻窦组织病理检查结果的关系

2021-03-07 AlexYang MedSci原创

空气污染会引起呼吸道上皮的炎症变化,并与哮喘和慢性阻塞性肺病等炎症的加重有关。然而,空气污染对慢性鼻窦炎发病机制的影响研究有限,目前还没有文献报道污染物暴露如何影响慢性鼻窦炎患者的鼻窦组织病理学。

空气污染会引起呼吸道上皮的炎症变化,并与哮喘和慢性阻塞性肺病等炎症的加重有关。然而,空气污染对慢性鼻窦炎发病机制的影响研究有限,目前还没有文献报道污染物暴露如何影响慢性鼻窦炎患者的鼻窦组织病理学

最近,有研究人员鉴定了慢性鼻窦炎(CRS)患者鼻窦组织所见的某些组织病理特征与居住地的空气颗粒物污染(PM2.5)和地面臭氧水平之间的相关性

研究人员创建了一份结构化的组织病理学报告来描述接受鼻窦手术CRS患者的组织特征,并获得了每个患者对空气污染物(包括小颗粒物(PM2.5)和地面臭氧)的暴露估计。研究人员还使用逻辑回归模型比较了组织表现出不同组织病理学特征患者的平均污染物暴露水平。研究人员共分析了291名CRS患者的数据。较高的炎症程度与臭氧暴露的增加显著相关(p=0.031)。在CRSwNP(n=131)患者中,嗜酸性聚合物(p=0.018)和Charcot-Leyden晶体(p=0.036)的存在与臭氧暴露的增加有关。

根据结构化组织病理结果分类的CRSwNP患者的污染物暴露情况

最后,研究人员指出,暴露于环境空气污染物可能有助于CRS的发病。臭氧暴露增加与CRSwNP患者中较高的组织炎症和产生嗜酸性聚合物和Charcot-Leyden晶体有关

原始出处:

Tirth R Patel, Bobby A Tajudeen, Hannah Brown et al. Association of Air Pollutant Exposure and Sinonasal Histopathology Findings in Chronic Rhinosinusitis. Am J Rhinol Allergy. Feb 2021

 

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    2021-03-09 膀胱癌
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