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Inhaled corticosteroid response in smoker versus non-smoker asthmatic patients: a cross-sectional study
The Egyptian Journal of Bronchology Pub Date : 2021-09-03 , DOI: 10.1186/s43168-021-00084-9
Sahar Farghly Youssif 1 , Atef Farouk El-Karn 1 , Safaa Abdelgayed 1 , Mohammed F. Abdelghany 1 , Mahmoud Farouk Sherif 2 , Mohamed I. Seddik 3
Affiliation  

Asthmatic smokers are a distinct phenotype of asthma. There is a lack of specific information about the treatment of asthma in smokers. The purpose of this study was to compare the effects of inhaled corticosteroid (ICS) on asthmatic smokers and non-smokers. The present observational, cross-sectional study was conducted at the Chest Department in Assiut University Hospital, during the period from August 2018 to January 2020. Hundred and seventeen asthmatic patients (42 smokers, 30 ex-smokers, and 45 non-smokers) were assessed using an asthma control questionnaire (ACQ), spirometry, sputum cytology, and serum periostin and eotaxin-2 to compare between a patient on inhaled corticosteroid for at least 3 months and patients who do not receive any form of corticosteroid. Asthmatic smokers had poor response to ICS and had insignificant improvement as regard all parameters. However, asthmatic ex-smokers had a partial response to ICS. They had higher post-bronchodilator FEV1 in comparison to those who did not receive ICS. Asthmatic non-smokers on ICS showed the best response as they were well controlled as regard ACQ. Moreover, they had higher post-bronchodilator FEV1/FVC, post-bronchodilator FEV1, and post-bronchodilator FEF25-75, and lower sputum eosinophils and neutrophils. Smoking adversely affects the course and response to ICS therapy in asthma. Interrelation between bronchial asthma and smoking: ClinicalTrials.gov ID: NCT03207620 . Registered 27 June 2017.

中文翻译:

吸烟者与非吸烟者哮喘患者的吸入皮质类固醇反应:横断面研究

哮喘吸烟者是一种独特的哮喘表型。缺乏关于治疗吸烟者哮喘的具体信息。本研究的目的是比较吸入皮质类固醇 (ICS) 对哮喘吸烟者和非吸烟者的影响。本观察性横断面研究于 2018 年 8 月至 2020 年 1 月期间在 Assiut 大学医院胸科进行。 117 名哮喘患者(42 名吸烟者、30 名戒烟者和 45 名非吸烟者)是使用哮喘控制问卷 (ACQ)、肺活量测定法、痰细胞学和血清骨膜蛋白和 eotaxin-2 进行评估,以比较吸入皮质类固醇至少 3 个月的患者和未接受任何形式的皮质类固醇的患者。哮喘吸烟者对 ICS 的反应很差,所有参数的改善都不显着。然而,哮喘前吸烟者对 ICS 有部分反应。与未接受 ICS 的患者相比,他们的支气管扩张剂后 FEV1 更高。ICS 上的哮喘非吸烟者表现出最好的反应,因为他们在 ACQ 方面得到了很好的控制。此外,他们有更高的支气管扩张剂后 FEV1/FVC、支气管扩张剂后 FEV1 和支气管扩张剂后 FEF25-75,以及较低的痰嗜酸性粒细胞和中性粒细胞。吸烟会对哮喘病程和对 ICS 治疗的反应产生不利影响。支气管哮喘和吸烟之间的相互关系:ClinicalTrials.gov ID:NCT03207620。2017 年 6 月 27 日注册。与未接受 ICS 的患者相比,他们的支气管扩张剂后 FEV1 更高。ICS 上的哮喘非吸烟者表现出最好的反应,因为他们在 ACQ 方面得到了很好的控制。此外,他们有更高的支气管扩张剂后 FEV1/FVC、支气管扩张剂后 FEV1 和支气管扩张剂后 FEF25-75,以及较低的痰嗜酸性粒细胞和中性粒细胞。吸烟会对哮喘病程和对 ICS 治疗的反应产生不利影响。支气管哮喘和吸烟之间的相互关系:ClinicalTrials.gov ID:NCT03207620。2017 年 6 月 27 日注册。与未接受 ICS 的患者相比,他们的支气管扩张剂后 FEV1 更高。ICS 上的哮喘非吸烟者表现出最好的反应,因为他们在 ACQ 方面得到了很好的控制。此外,他们有更高的支气管扩张剂后 FEV1/FVC、支气管扩张剂后 FEV1 和支气管扩张剂后 FEF25-75,以及较低的痰嗜酸性粒细胞和中性粒细胞。吸烟会对哮喘病程和对 ICS 治疗的反应产生不利影响。支气管哮喘和吸烟之间的相互关系:ClinicalTrials.gov ID:NCT03207620。2017 年 6 月 27 日注册。吸烟会对哮喘病程和对 ICS 治疗的反应产生不利影响。支气管哮喘和吸烟之间的相互关系:ClinicalTrials.gov ID:NCT03207620。2017 年 6 月 27 日注册。吸烟会对哮喘病程和对 ICS 治疗的反应产生不利影响。支气管哮喘和吸烟之间的相互关系:ClinicalTrials.gov ID:NCT03207620。2017 年 6 月 27 日注册。
更新日期:2021-09-04
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