[Aeroallergen spectrum of 387 patients with allergic rhinitis in Changsha area].

OBJECTIVE: To investigate aeroallergen spectrum of patients with allergic rhinitis in Changsha area and analyze its related factors. METHOD: Skin prick test was carried out in 463 cases with allergic rhinitis using 13 inhaled allergens, and detailed history was collected in all cases. RESULT: Three hundred and eighty-seven cases (83.6%) showed positive reaction to at least one allergen of 13 allergens. The most common allergens found in patients were Dermatophagoides farinae and Dermatophagoides pteronyssinus, followed by tropical mite, Periplaneta americana, Blattella germanica and dog hair. The rate of positive reaction to only one specie allergen were 51.9%, and most of them were positive reaction to mites (49.6%). The degree of positive reaction was significantly related to family history, asthma, age and housing environment. CONCLUSION: The major allergen of allergic rhinitis is mite, and the degree of positive reaction relates to genetics, asthma, age and housing environment.