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[Epidemiological survey on orchard pollinosis]
1Department of Otolaryngology, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029.
Objective:
To investigate the prevalence of Orchard Pollinosis in China.
Method:
From 1995 to 1998, an epidemiological survey on orchard pollinosis was carried on among 1,660 primary and middle school students and 2,167 university students, including questionnaire investigation, nasal inspection and scratch test. From April to June of 1998, a clinical investigation of orchard pollinosis was adopted among 30 patients of allergic rhinitis including scratch test and nasal mucosa test.
Result:
1. The total positive rate of orchard pollen scratch test was 6.7%, and the prevalence of orchard pollinosis was 0.37%. 2. 5 cases (16.7%) were hypersensitive to orchard pollen clinically in allergen test.
Conclusion:
Orchard pollinosis is one kind of important pollinosis and should be paid high attention to.