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題 名 | Different Asthma Phenotypes in Adult Asthma: Comparison of Allergic Asthma and Nonallergic Asthma=不同表型的成人氣喘:過敏性氣喘與非過敏性氣喘的比較 |
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作 者 | 張志豪; 林鴻銓; 謝孟亨; 陳冠元; 鍾福財; 余志騰; 郭漢彬; | 書刊名 | 胸腔醫學 |
卷 期 | 27:1 2012.02[民101.02] |
頁 次 | 頁1-12 |
分類號 | 415.425 |
關鍵詞 | 過敏原; 氣喘; 異位性體質; 尖端呼氣流量; Allergens; Asthma; Atopy; ImmunoCAP; Peak expiratory flow; |
語 文 | 英文(English) |
中文摘要 | 前言:過敏原致敏在成人是一個發生氣喘的危險因子。然而,在氣喘病人身上,過敏原致敏和肺功能之間的關係尚未確知。本研究指在探討台灣北部的成人氣喘患者的致敏過敏原、血清總免疫球蛋白E(IgE),以及肺功能之間的關聯。方法:這個研究收集了266個從2003年1月至2004年12月之間確診為成人哮喘的病人。記錄年齡、性別、氣喘為期、肺功能檢查、血清總免疫球蛋白E、嗜酸性粒細胞陽離子蛋白和ImmunoCAP的特定IgE。過敏性的定義為至少測得一個過敏原的特異性IgE。結果:有161(60.5%)男性和105(39.5%)女性患者,平均年齡60.46 ± 15.40歲。氣喘為期平均為13.64 ± 7.35年。塵蟎過敏原、屋塵蟎(48.46%)和粉塵蟎(49.23%)是最常見的室內過敏原。我們將患者分為過敏性氣喘與非過敏性氣喘兩組。164(61.7%)患者是過敏性氣喘,102(38.3%)是非過敏性氣喘。過敏性氣喘患者相較與非過敏性氣喘患者,年紀較低,有較高的血清總免疫球蛋白E,與更好的肺功能(p<0.05)。氣喘患者的血清總免疫球蛋白E 和尖端呼氣流量(PEF)變異性有相關性(r=0.3395,p<0.0001)。而過敏性氣喘患者中,血清總免疫球蛋白E和尖端呼氣流量變異性隨著過敏原的特異性IgE數量增加而增加。結論:區分過敏性氣喘或過敏性是非常重要的,因為兩者是不同的氣喘表型。這項研究顯示過敏性和非過敏性氣喘的不同之處。過敏性氣喘患者年紀較輕,有較高的血清總免疫球蛋白E,以及更好的肺功能。 |
英文摘要 | Background: Allergen sensitization is a risk factor for the development of bronchial asthma in adults. However, the relationship between allergen sensitization and lung function in asthma patients is not well understood. This study was conducted to evaluate the relationship between sensitized allergens, total serum immunoglobulin E (IgE) level, and lung function in adult asthmatic patients in northern Taiwan.Methods: A total of 266 adult Taiwanese patients diagnosed with asthma between January 2003 and December 2004 were enrolled. Age, sex, duration of asthma, pulmonary function tests, total IgE, eosinophilic cationic protein, and specific IgE of ImmunoCAP were recorded. Allergic was defined as the presence of a specific IgE to 1 or more allergens.Results: There were 161 (60.5%) male and 105 (39.5%) female patients, with a mean age of 60.46 ± 15.40 years. The mean duration of asthma was 13.64 ± 7.35 years. Mite allergens, Dermatophagoides pteronyssinus (48.46%) and Dermatophagoides farina (49.23%), were the most common indoor allergens. We divided the patients into allergic and nonallergic asthma groups: 164 (61.7%) patients had allergic asthma and 102 (38.3%), nonallergic asthma. Patients with allergic asthma were younger, and had a higher total IgE level and better lung function than the nonallergic asthmatics (p<0.05, respectively). Total serum IgE was correlated to peak expiratory flow (PEF) variability (r=0.3395, p<0.0001) in asthmatic patients. Among allergic asthmatics, the serum total IgE and PEF variability were higher as the number of positive allergen-specific IgE tests increased.Conclusions: Defining asthma phenotypes as allergic or nonallergic is essential. This study supports the difference between allergic and nonallergic asthma. Patients with allergic asthma were younger and had higher total IgE and better lung function than patients with nonallergic asthma. |
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