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KMID : 0361020220650090503
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Korean Journal of Otolaryngology - Head and Neck Surgery
2022 Volume.65 No. 9 p.503 ~ p.511
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Comparison of Eustachian Tube Function Before and After Septoplasty: A Systematic Review and Meta-Analysis
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Son Soo-Ah
Park Youn-Sun
Cho Jin-Hee
Park So-Young
Kang Yun-Jin
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Abstract
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Background and Objectives : The middle ear, eustachian tube, and nasal cavity are anatomicallyadjacent, so the middle ear pressure (MEP), eustachian tube function (ETF), andnasal cavity condition are highly correlated. In this study, the effect of nasal septal deviation(NSD) on ETF and the effects of septoplasty on ETF and MEP were meta-analyzed using theresults of tympanogram.
Subjects and Method : A systematic search was conducted using the PubMed, Embase, theWeb of Science, and the Cochrane Central Register of Controlled Trials. The MEP and ETFwere compared before and after septoplasty. We also compared eustachian tube dysfunctionobserved from the deviated side and from the non-deviated side of the ear. Heterogeneity wasanalyzed within the subgroups.
Results : Eustachian tube dysfunction was about twice as high in the narrowed side of NSDpatients than in other patients. The tympanogram results did not show any significant differencewhen subgroups were observed before, within 1 month after, or 3 months after septoplasty.
Eustachian tube dysfunction before septoplasty was about 4.5 times higher than after septoplasty(when followed up for more than 1 month). From the subgroup analysis of deviated andnon-deviated sides, MEP before septoplasty was significantly lower than after septoplasty andeustachian tube dysfunction was approximately 4 times higher in the narrowed nasal cavity.
Conclusion : The narrowed side of the nasal cavity in NSD can be related to eustachian tubedysfunction. Septoplasty may help restore ETF in the ears of narrowed side of the nasal cavity.
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KEYWORD
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Auditory tube, Ear, Eustachian tubes, Middle, Middle ear ventilation, Nasal septum
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