Objective To compare outcomes for patients undergoing a transmastoid approach versus a middle fossa craniotomy approach with plugging and/or resurfacing for repair of superior semicircular canal dehiscence. Outcome measures include symptom resolution, hearing, operative time, hospital stay, complications, and revision rates. Study Design Multicenter retrospective comparative cohort study. Settings Three tertiary neurotology centers. Subjects and Methods All adult patients undergoing repair for superior canal dehiscence between 2006 and 2017 at 3 neurotology centers were included. Demographics and otologic history collected by chart review. Imaging, audiometric data, and vestibular evoked myogenic potential measurements were also collected for analysis. Results A total of 68 patients (74 ears) were included in the study. Twenty-one patients underwent middle fossa craniotomy repair (mean age, 47.9 years), and 47 underwent transmastoid repair (mean age, 48.0 years). There were no significant differences in age or sex distribution between the groups. The transmastoid group experienced a significantly shorter duration of hospitalization and lower recurrence rate as compared with the middle fossa craniotomy group (3.8% vs 33%). Both groups experienced improvement in noise-induced vertigo, autophony, pulsatile tinnitus, and nonspecific vertigo. There was no significant difference among symptom resolution between groups. Additionally, there was no significant difference in audiometric outcomes between the groups. Conclusion Both the transmastoid approach and the middle fossa craniotomy approach for repair of superior canal dehiscence offer symptom resolution with minimal risk. The transmastoid approach was associated with shorter hospital stays and lower recurrence rate as compared with the middle fossa craniotomy approach.
In this sample, postoperative antibiotics following cochlear implantation did not impact perioperative infection rates. Unnecessary antibiotics can lead to increased resistance, allergic sequelae, and unnecessary costs while having little effect on reducing infection rates. This pilot study should encourage surgeons to reevaluate standard practice around antibiotic use after CI surgery.
This study suggests that a majority of surgeons use intraoperative NRT for pediatric cochlear implantation as an additional measure to ensure appropriate electrode placement and improve device activation. Larger studies are needed to better establish the relationship between intraoperative NRT and postoperative outcomes and justify the additional costs associated with intraoperative NRT.
The present study demonstrated no significant difference in hearing outcomes between patients receiving salvage therapy with HBO2 and IT steroids compared to patients receiving IT steroids alone. Larger, prospective randomized trials are needed to better define the role of HBO2 as salvage therapy for SSNHL.
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