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  • Title: [The utility of peak nasal inspiratory flow rate for clinical practice].
    Author: Li N, Zhang X.
    Journal: Lin Chuang Er Bi Yan Hou Ke Za Zhi; 2002 May; 16(5):217-8. PubMed ID: 12592657.
    Abstract:
    OBJECTIVE: To find out whether peak nasal inspiratory flow rate (PnIFR) of one side nose can indicate nasal patency. METHOD: PnIFR was measured using RHAT-301 wind rate meter (Qinghuatongfang Incorporated Company). One hundred subjects were recruited. We measured PnIFR of every side of nose of all subjects before and after using 3% ephedrine and registered the grade of patients' complaint of nasal obstruction. RESULT: PnIFR in normal male and in normal female are different; PnIFR in normal and in patients are different; The grade of patients' complaint of nasal obstruction is correlated with PnIFR; PnIFR in patients before and after using ephedrine are different. CONCLUSION: PnIFR of one side nose can indicate the severity of nasal obstruction; RHAT-301 flow meter is convenient to measure PnIFR for clinical practice, and PnIFR of one side nose can indicate nasal patency; PnIFR of one side nose can indicate the effect of drugs on nasal airway resistance (NAR).
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