Analysis of Outpatient Cases in Center of Allergy and Immunotherapy,The General Hospital of Shenyang Military Comonand between 2001 and 2010

Objective To investigate the spectrum and characteristics of common allergic diseases in clinic of allergy department in Shenyang,forming the scientific basis of management and prevention of allergic diseases in this area. Methods The data of patients were retrospectively analyzed,who attended clinic of allergy department in our hospital since 2001 to 2010,based on the database of hospital information system. Results The most common allergic disease was allergic asthma (44 492 cases,43% ) ,followed by rhinitis (28 070 cases,27%) and urticaria (12 065 cases,12%) ,and the other common diseases were hay fever (4 652 cases,4. 5%) ,dermatitis (3 515 cases,3. 4%) ,eczema (3 411 cases,3. 3%) ,purpura (1 964 cases,1. 9%) . The major allergens induced allergic diseases according to priority were Dermatophagoides pteronyssinus (77. 8% ) , Dermatophagoides farina (75. 1% ) , mugwort pollen (40. 5%) ,ragweed pollen (22. 3%) ,dog hairs (10. 9%) ,cat hairs (8. 5%) ,tree pollens (4. 1%) , sunflower pollen (3. 2% ) and Humulus pollen (1. 95% ) respectively. The annual peak period for attending was July to September. Conclusions The common allergic diseases were asthma,rhinitis and urticaria in clinic of allergy department in Shenyang. Dust mite was the major allergens induced allergic disease.Seasonal volatility of occurrences of allergic diseases was obvious in Shenyang area.