Microdrill stapedotomy for otosclerosis with small and large preoperative air-bone gap: a retrospective comparison of results.

Abstract:

:Background: In otosclerosis mixed hearing loss is the most frequent symptom and arises when the focus involves the stapes footplate. Surgeons usually prefer to wait a minimum air-bone gap of 25 - 35 dB before surgery.Objectives: To evaluate the outcome of microdrill stapedotomy for otosclerosis in patients with a preoperative air-bone gap (ABG) <25 dB versus patients with a preoperative gap ≥ 25 dB.Material and methods: For this retrospective study, the outcomes and complications after microdrill stapedotomy were compared between adult patients with a preoperative small ABG (n = 127, ABG <25 dB) and those with a large ABG (n = 254, ABG ≥25 dB).Results: The postoperative ABG was significantly smaller than the preoperative ABG (p < .05) in both groups; there were no differences in complications rates (severe sensorineural hearing loss, footplate fracture or early postoperative vertigo) between the two groups.Conclusions: Our findings show that microdrill stapedotomy is safe and can be performed even in patients with a preoperative small ABG without increasing the risk of sensorineural hearing loss due to inner ear damage.

journal_name

Acta Otolaryngol

journal_title

Acta oto-laryngologica

authors

Canale A,Albera A,Macocco F,Caranzano F,Albera R

doi

10.1080/00016489.2020.1764618

subject

Has Abstract

pub_date

2020-09-01 00:00:00

pages

745-748

issue

9

eissn

0001-6489

issn

1651-2251

journal_volume

140

pub_type

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