The effects of resection of the peripheral branches of the posterior nasal nerves in the inferior turbinate, with special focus on olfactory dysfunction.

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There are few detailed studies about peripheral branch resection of the posterior nasal nerves in the inferior turbinate; thus, this study aimed to investigate this.Patients who underwent submucosal turbinoplasty with or without resection of the peripheral branches of posterior nasal nerves in the inferior turbinate were included.The resection of the posterior nasal nerves with turbinoplasty significantly reduced detection and recognition thresholds on olfactory testing. The rhinorrhoea severity, detection threshold and recognition threshold were significantly lower after resection of the posterior nasal nerves with turbinoplasty than after turbinoplasty alone, although there were no significant differences between the two groups before surgery.This is the first study to show that the resection of the peripheral branches of the posterior nasal nerves in the inferior turbinate with turbinoplasty more effectively inhibits allergic symptoms compared with turbinoplasty alone. It also showed that the resection of the peripheral branches of the posterior nasal nerves can inhibit olfactory dysfunction.

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