花粉症について  [in Japanese] About Pollinosis  [in Japanese]

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Author(s)

    • 吉田 博一 Yoshida Hirokazu
    • 獨協医科大学耳鼻咽喉科気管食道科 Dokkyo University School of Medicine Department of Otorhinolaryngology Broncho-esophagology

Abstract

花粉症は,アレルギー性鼻炎を好発時期によって通年性と季節性に分類し,季節性のうち花粉を原因とするものであり,季節性アレルギー性鼻炎の大部分を占める.従って,花粉症はアレルギー性鼻炎の代表的疾患であり,I型アレルギー疾患である.鼻の主徴は,くしゃみ,水性鼻汁,鼻閉で,原因花粉飛散期にのみ症状を現す.「国民病」とまで言われるスギ花粉症の有病率は徐々に増加し,近年行われた2つの全国的疫学調査では,都道府県別では有病率に違いが認められたが,全国平均すると15%前後であった.有病率増加に関係する因子としては,スギ花粉飛散量の増加,浮遊粒子状物質のアジュバンド効果,住環境や食生活の西欧化,結核症や寄生虫疾患などの感染症の減少に伴うTh1とTh2のアンバランス(Th2優位)などが挙げられる.<br>

Pollinosis is a typical disease of allergic rhinitis and is a type I allergy. Pollinosis uses pollen as a cause antigen and no less than 60 different sorts of pollen have so far been reported as antigens. Its main symptoms are sneezing, water nasal mucus, and nasal obstruction. Japanese cedar pollinosis, whose morbidity is increasing gradually, is especially called “national disease”. According to two recent epidemiological investigations made nationwide, the morbidity of Japanese cedar pollinosis reaches about 15% on average, although some regional differences exist. As factors influencing the increase in morbidity, this paper enumerates the increase in the amount of pollen scattering, the enhancing effect of suspended particles, housing conditions, the westernization of eating habits, the unbalance of Th1 and Th2, and so on.<br>

Journal

  • JAPANESE JOURNAL OF BIOMETEOROLOGY

    JAPANESE JOURNAL OF BIOMETEOROLOGY 40(1), 61-67, 2003

    Japanese Society of Biometeorology

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