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  • Title: Radiofrequency inferior turbinate reduction: long-term olfactory and functional outcomes.
    Author: Garzaro M, Pezzoli M, Landolfo V, Defilippi S, Giordano C, Pecorari G.
    Journal: Otolaryngol Head Neck Surg; 2012 Jan; 146(1):146-50. PubMed ID: 21934127.
    Abstract:
    OBJECTIVE: The aim of this study was to assess the long-term effects of radiofrequency inferior turbinate reduction (RITR) on nasal function in patients affected by nasal obstruction secondary to turbinate hypertrophy, focusing attention on increased sense of smell and its persistence after a 2-year follow-up. STUDY DESIGN: Case series with planned data collection. SETTING: ENT division, university hospital. SUBJECTS AND METHODS: A total of 40 consecutive patients undergoing RITR for allergic or nonallergic chronic rhinitis with inferior turbinate hypertrophy were included. We planned a series of tests, including the "Sniffin' Sticks" test battery, anterior rhinomanometry, and the nasal Obstruction Symptom Evaluation (NOSE) scale, on the day of the procedure and at the 2-month and 2-year follow-up visits. RESULTS: Of the 40 patients, 35 completed all the objective and subjective examinations on the day of the procedure and at the 2-month and 2-year follow-up visits. The authors found a significant decrease in nasal resistances from a mean of 1.13 Pa/cm(3)s(-1) preoperatively to a mean of 0.29 Pa/cm(3)s(-1) 2 years postoperatively and improvement in odor threshold, discrimination, and identification scores 2 years postoperatively. The NOSE score diminished significantly 2 years after surgery from a mean of 23.14 to a mean of 4.14 (all P < .01 with the t test for repeated measures). CONCLUSION: This long-term evaluation showed that radiofrequency treatment for allergic or nonallergic inferior turbinate hypertrophy appeared to provide improvement in olfaction, decrease nasal resistances, and have subjective benefits, maintained 2 years after the procedure.
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