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Chinese Medical Sciences Journal ; (4): 212-217, 2008.
Artigo em Inglês | WPRIM | ID: wpr-302668

RESUMO

<p><b>OBJECTIVE</b>To study the genera and seasonal distribution of airborne pollen in Hubei province of China, and its relationship with pollinosis.</p><p><b>METHODS</b>From November 2003 to October 2004, an airborne pollen investigation was performed in 16 chosen areas in 12 cities of Hubei province using gravity sedimentation technique. Meanwhile, univalent skin prick tests of pollens were performed and the invasion season was studied on 2,300 patients with pollinosis. Among them, 352 cases underwent the airway responsiveness measurements, and the correlation between airway responsiveness and results of pollen count was analyzed.</p><p><b>RESULTS</b>A total of 61 pollen genera were observed and 257,520 pollens were collected. The peak of airborne pollen distribution occurred in two seasons each year: spring (March and April) and autumn (from August to October). The attack of pollinosis corresponded to the peak of pollen distribution. There was a significantly negative relationship between the provocation dose causing a 20% decrease of forced expiratory volume in one second (FEV1) from baseline and airborne pollen concentration (r= -0.6829, P < 0.05).</p><p><b>CONCLUSION</b>This study provides useful information for airborne pollen epidemiology of Hubei province, and it provides important insights to clinical prevention, diagnosis, and treatment of pollen-related allergic diseases.</p>


Assuntos
Humanos , Poluentes Atmosféricos , Alergia e Imunologia , Alérgenos , Alergia e Imunologia , China , Monitoramento Ambiental , Pólen , Alergia e Imunologia , Rinite Alérgica Sazonal , Alergia e Imunologia , Estações do Ano , Testes Cutâneos
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