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Novel imaging phenotypes of naive asthma patients with distinctive clinical characteristics and T2 inflammation traits

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单位: [1]Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Dept Resp & Crit Care Med, 1095 Jie Fang Ave, Wuhan 430030, Hubei, Peoples R China [2]Natl Minist Hlth Peoples Republ China, Key Lab Resp Dis, Wuhan, Peoples R China [3]Natl Clin Res Ctr Resp Dis, Wuhan, Peoples R China [4]Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Dept Radiol, 1095 Jiefang Ave, Wuhan 430030, Hubei, Peoples R China [5]Philipps Univ Marburg, Univ Hosp Giessen & Marburg GmbH, Inst Lab Med & Pathobiochem Mol Diagnost, Marburg, Germany [6]Sechenov First Moscow State Med Univ, Moscow, Russia
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关键词: asthma cluster analysis phenotype X-ray computed tomography

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Objective: This study aims to describe the imaging features of naive asthma patients, defined as not receiving corticosteroids or other asthma medications for at least 1 month, and their association with therapeutic response, and to discover novel unbiased imaging phenotypes. Methods: A total of 109 naive asthma patients and 50 healthy controls were enrolled in this study. Clinical data and imaging indices of high-resolution computed tomography were collected. The correlation between imaging indices and clinical features was analyzed. Cluster analyses were adopted to determine three novel imaging phenotypes. Results: Compared with healthy controls, nave asthma patients presented higher scores of airway remodeling, bronchiectasis, and mucus plugs. Mean airway wall area [WA]% was inversely correlated with mid-expiratory flow velocity% predicted. The extent score of bronchiectasis was positively correlated with smoking history and significantly increased in the high mucus group. Mucus plugs were related to improving lung function and type 2 (T2) inflammation, as assessed by sputum and blood eosinophils and fraction of exhaled nitric oxide. Cluster 1 patients had a high proportion of emphysema, the best lung function, and the lowest T2 inflammation; cluster 2 patients had severe airway remodeling, relatively good lung function, and moderate T2 inflammation; cluster 3 patients had severe airway remodeling, mucus plugs, and bronchiectasis, and showed the worst lung function and highest T2 inflammation. Conclusion: Naive asthma patients had the imaging traits of airway remodeling, bronchiectasis, and mucus plugs. The unbiased imaging phenotypes had good consistency with clinical characteristics, therapeutic response, and T2 inflammation expression in nave asthma patients.

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出版当年[2021]版:
大类 | 3 区 医学
小类 | 3 区 药学
最新[2025]版:
大类 | 3 区 医学
小类 | 3 区 药学
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出版当年[2020]版:
Q1 PHARMACOLOGY & PHARMACY
最新[2023]版:
Q2 PHARMACOLOGY & PHARMACY

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第一作者单位: [1]Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Dept Resp & Crit Care Med, 1095 Jie Fang Ave, Wuhan 430030, Hubei, Peoples R China [2]Natl Minist Hlth Peoples Republ China, Key Lab Resp Dis, Wuhan, Peoples R China [3]Natl Clin Res Ctr Resp Dis, Wuhan, Peoples R China
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通讯机构: [1]Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Dept Resp & Crit Care Med, 1095 Jie Fang Ave, Wuhan 430030, Hubei, Peoples R China [2]Natl Minist Hlth Peoples Republ China, Key Lab Resp Dis, Wuhan, Peoples R China [3]Natl Clin Res Ctr Resp Dis, Wuhan, Peoples R China
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