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本文对65岁前和65岁后发病的哮喘患者进行了比较.前者称为早发哮喘,后者称为晚发哮喘.患者25例,年龄≥70岁,女16、男9例,无吸烟及心脏病史,符合美国胸腔协会(ATS)的哮喘诊断标准.早发哮喘13例,首次发病年龄为20～61岁,有62%曾患湿疹或季节性过敏性鼻炎。晚发哮喘12例,首次发病年龄为65～80岁,无1例有此病史(P<0.001).两组血嗜酸细胞总数比较无显著差异.放射免疫法测定两组患者和对照组老年人的血清IgE 值,无显著差异。过敏性哮喘发病率随年龄增长
This article compares the incidence of asthma before age 65 and age 65. The former is referred to as premature asthma and the latter as late-onset asthma. Twenty-five patients aged ≥70 years, 16 women and 9 men were nonsmoking And heart history, in line with the American Thoracic Society (ATS) diagnostic criteria for asthma in 13 cases of early-onset asthma, the first age of onset was 20 to 61 years old, 62% had eczema or seasonal allergic rhinitis. 12 cases of late onset asthma, the first onset of age was 65 to 80 years old, no one had this history (P <0.001) .The total number of blood eosinophils in the two groups showed no significant difference.Radioimmunoassay was used to measure the two groups of patients and the control group Human serum IgE values, no significant difference. The incidence of allergic asthma increases with age