Eur Respir J:环境真菌致敏与COPD患者较差的临床预后有关

2020-05-04 MedSci原创 MedSci原创

真菌致敏在COPD患者中普遍存在,并伴有COPD恶化频繁发作,代表潜在的可治疗特性。室外和室内(家庭)环境是COPD患者真菌过敏原暴露的主要场所。

真菌(如曲霉菌)过敏与哮喘、支气管扩张和囊性纤维化患者较差的临床预后有关,但与COPD患者的临床相关性尚不明确。

近日,呼吸疾病领域权威杂志Eur Respir J上发表了一篇研究文章,研究人员前瞻性地从三个地区(新加坡、马来西亚和香港)招募了稳定COPD患者(n=446)和未患病的对照者(n=51),并针对包括屋尘螨、花粉、蟑螂和真菌在内的综合过敏原进行了筛选。研究人员首次使用宏基因组学方法评估了COPD患者室外和室内环境中过敏原暴露情况,并确定了室外空气中的关键真菌,以及针对关键可培养的真菌开发了特异性IgE实验,将过敏反应与COPD患者预后联系起来。在n=11的COPD患者的家中,通过宏基因组学对室内空气和表面过敏原进行了前瞻性评估,并将其与患者临床预后相关联。

COPD患者对多种过敏原的敏感的频率较高。真菌致敏与COPD恶化发作有关,高致敏真菌为主的亚群可使COPD患者出现明显的症状,频繁发作和较差的肺功能。室外和室内环境是COPD患者真菌过敏原暴露的重要场所,并促进了对室外空气真菌的过敏反应。真菌过敏原含量较高的室内(家庭)环境伴随着更严重的COPD症状和较差的肺功能预后,说明环境暴露对COPD患者临床预后具有重要影响。

由此可见,真菌致敏在COPD患者中普遍存在,并伴有COPD恶化频繁发作,代表潜在的可治疗特性。室外和室内(家庭)环境是COPD患者真菌过敏原暴露的主要场所。

原始出处:

Pei Yee Tiew.et al.Environmental fungal sensitisation associates with poorer clinical outcomes in COPD.Eur Respir J.2020.https://erj.ersjournals.com/content/early/2020/04/20/13993003.00418-2020

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    2021-03-10 ms6000001757048233

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    2020-05-05 zhaojie88
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    2020-05-05 gous
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