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  • Title: The Effect of External Approach Septoplasty on Olfactory Function.
    Author: Türk B, Akpinar M, Altundağ A, Kirik MÖ, Ünsal Ö, Coşkun BU.
    Journal: J Craniofac Surg; 2017 Oct; 28(7):1675-1678. PubMed ID: 28692504.
    Abstract:
    OBJECTIVE: Septal deviation-induced nasal obstruction is frequently accompanied by hyposmia. The aim of this study was to evaluate the effect of external approach septoplasty on olfactory function. METHODS: Thirty patients (23 males, 7 females) who had external approach septoplasty were included in the study. The age interval was 18 to 60 years (mean 33±12 years). All subjects had olfactory function and acoustic rhinometry tests in both the pre- and postoperative periods (mean interval 6 weeks ± 3 weeks). Olfactory function was determined by the "Sniffin Sticks" test. The minimum cross-sectional area from the nostril to 2.20 cm backward was referred to as MCA1, and the minimum cross-sectional area from 2.20 to 5.40 cm was referred to as MCA2, determined by acoustic rhinometry. RESULTS: Olfactory threshold, discrimination, and identification function improved significantly after external approach septoplasty. A statistically significant difference was also detected between pre- and postoperative left MCA1 and left MCA2 of the nasal cavities. Postoperative hyposmic and anosmic patient improvement was statistically significant. CONCLUSION: External approach septoplasty has a beneficial effect on olfaction and this effect may be partly due to interactions between the increased perception of nasal air flow, as well as surgery-associated improvement in the internal nasal valve area.
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