Lin chuang er bi yan hou ke za zhi = Journal of clinical otorhinolaryngology · 2000
[The study of the nasal airway reactivity in specific nasal provocation test].
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Yue J X, Tan H F, Huang X Z, Xiang J S
Аннотация
OBJECTIVE: To explore efficient evaluation method for specific nasal provocation test(SNPT) and to observe the pathogenic process and patho-physiological changes of allergic rhinitis.
METHOD: 30 patients with perennial allergic rhinitis(patients group) and 14 normal adults(controls group) were challenged unilaterally with the Coca's solution and/or the solution for allergen extracts. The nasal resistance variations in all subjects were monitored with active anterior rhinomanometry and the nasal symptoms were observed.
RESULT: The symptoms of nasal stiffness, sneezing and rhinorrhea appeared in most patients between 0.5 and 3 minutes after provocation. The ratio of continual sneezes above 5 in patients group(83.3%) was significantly higher than in controls group (21.4%) (P < 0.01). The increased ratio of total nasal resistance and unilaterally-challenged nasal resistance were significantly higher in patients group than in controls group (P < 0.05) and no difference between coca's solution in patients group and controls group.
CONCLUSION: Positive SNPT was indicated if obvious nasal symptoms appeared and the unilaterally-challenged nasal resistance increased 100% as well as the total nasal resistance increased 40% after SNPT.
METHOD: 30 patients with perennial allergic rhinitis(patients group) and 14 normal adults(controls group) were challenged unilaterally with the Coca's solution and/or the solution for allergen extracts. The nasal resistance variations in all subjects were monitored with active anterior rhinomanometry and the nasal symptoms were observed.
RESULT: The symptoms of nasal stiffness, sneezing and rhinorrhea appeared in most patients between 0.5 and 3 minutes after provocation. The ratio of continual sneezes above 5 in patients group(83.3%) was significantly higher than in controls group (21.4%) (P < 0.01). The increased ratio of total nasal resistance and unilaterally-challenged nasal resistance were significantly higher in patients group than in controls group (P < 0.05) and no difference between coca's solution in patients group and controls group.
CONCLUSION: Positive SNPT was indicated if obvious nasal symptoms appeared and the unilaterally-challenged nasal resistance increased 100% as well as the total nasal resistance increased 40% after SNPT.