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目的研究气传花粉与婴幼儿过敏性哮喘关系和减敏治疗的疗效。方法按全国统一的方法———重力测定法，观察花粉的品种和数量；对住院的哮喘患儿进行过敏原皮试；对皮试阳性病例进行减敏治疗。结果一年的曝片调查，共观察到１４５１９粒花粉；春秋两季为花粉高峰期；品种共有３８个种属，２２个种属为常见花粉；其中５类１８种花粉（包括蒿属、豚草、梧桐、春季花粉Ⅰ组裸子植物７种和春季花粉Ⅱ组被子植物８种花粉）是主要致敏花粉；４５例婴幼儿哮喘３１例阳性（６８９％），１００例儿童哮喘６４例阳性（６４％），总阳性率为６５５％，其中对５，４，３，２和１种花粉过敏的患儿分别占１５８％、６３％、１３７％、２４２％和４００％。对蒿草、豚草、春季花粉Ⅰ组、梧桐、春季花粉Ⅱ组过敏者分别为５８９％、４８４％、４８４％、４４２％和３３７％。皮试阳性的９５例患儿的患病时间为，１～３月占１６８％，４～６月占２００％，７～９月占２８４％，１０～１２月占３５０％；患儿中男性占６３２％，女性占３６８％，男女之比为１∶０５８；年龄分别为１～３岁占３２６％，～６岁占３５８％，～９岁占２１１％，～１２岁占１０５％。９５例经减敏?
Objective To study the relationship between gas-pollen and infant allergic asthma and the effect of desensitization therapy. Methods According to the national unified method --- gravimetric method, the varieties and quantity of pollen were observed; allergen skin test was performed on the hospitalized children with asthma; and the desensitization therapy was performed on the skin test positive cases. The results of a year of exposure survey, a total of 14519 pollen observed; Spring and autumn pollen peak; a total of 38 species of species, 22 species are common pollen; of which 18 types of 5 kinds of pollen (including Artemisia, Grass, sycamore, spring pollen group Ⅰ gymnosperms 7 and spring pollen group Ⅱ angiosperms 8 pollen) were the main allergenic pollen; 45 cases of infant asthma in 31 cases (68.9%), 100 cases of children with asthma in 64 cases (64%), the total positive rate was 655%. Among them, 158%, 63%, 137%, 24% of children with 5, 4, 3, 2 and 1 kinds of pollen allergy respectively 2% and 40 0%. The allergy to wormwood, ragweed, spring pollen group Ⅰ, Sycamore, pollen group Ⅱ were 589%, 484%, 484%, 442% and 337% respectively. The prevalence of skin test positive in 95 children was 16.8% in January-March, 20.0% in April-June, 28.4% in July-September and 35% in December-December 0%; children accounted for 63 2% of males, females 36 8%, the ratio of men and women 1:0 58; aged 1 to 3 years accounted for 32 6%, 6 years accounted for 35 8%, ~ 9 years old accounted for 21%, ~ 12 years accounted for 10 5%. 95 cases by desensitization?