Nasal hyperreactivity to methacholine measured by acoustic rhinometry in asymptomatic allergic and perennial nonallergic rhinitis.

@article{Mrquez2000NasalHT,
  title={Nasal hyperreactivity to methacholine measured by acoustic rhinometry in asymptomatic allergic and perennial nonallergic rhinitis.},
  author={Francisco V{\'i}lchez M{\'a}rquez and Joaquim Sastre and Glenn Hern{\'a}ndez and Carlos Cenjor and Javier S{\'a}nchez-Hern{\'a}ndez and Juana Sanchez and R Guti{\'e}rrez and Jos{\'e} Antonio Sanabria},
  journal={American journal of rhinology},
  year={2000},
  volume={14 4},
  pages={251-6}
}
This study was carried out to assess nasal response to different doses of methacholine and to evaluate the diagnostic possibilities of this test. Thirty-seven patients with allergic rhinitis induced by pollen (out of season), 16 with nonallergic rhinitis, and 25 normal subjects were evaluated. After provocation with saline, increasing doses of methacholine, ranging from 0.5 to 16 mg/mL, were applied. Nasal obstruction was assessed by acoustic rhinometry 10 minutes after each dose, the minimum… CONTINUE READING

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