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The model results summarize that bilateral (sequential and simultaneous) cochlear implantation that are represented in the model scenarios, are cost-effective strategies for Polish adult patients with bilateral severe to profound sensorineural hearing loss.

The model results summarize that bilateral (sequential and simultaneous) cochlear implantation that are represented in the model scenarios, are cost-effective strategies for Polish adult patients with bilateral severe to profound sensorineural hearing loss.

Minimally invasive, image-guided cochlear implantation (CI) surgery consists of drilling a precise tunnel from the surface of the mastoid cortex through the facial recess to target the scala tympani. In the first set of clinical trials of this technique, heat-induced facial nerve paresis (House-Brackmann II/VI) occurred on a patient on the last day of the initial trial which was scheduled to be halted secondary to a change in the regulatory requirements dictated by the 2012 the Food and Drug Administration Safety and Innovation Act requiring Investigational Device Exemption approval for previously exempted customized medical device testing. To address this adverse event, extensive changes were made to the drilling protocol; additionally, a custom insertion tool was developed. To address the Food and Drug Administration Safety and Innovation Act, an Investigational Device Exemption was submitted and, subsequently approved. Herein is described our first clinical implementation of the modified technique.

Seventy-year-old with profound, postlingual sensorineural hearing loss who had previously undergone right CI via traditional approach in 2015.

Minimally invasive image-guided left CI.

Time of intervention, final location of CI electrode array within cochlea.

Surgery took 155 minutes of which the largest components (in descending order) were soft tissue work, closure, and drilling. Full scala tympani insertion with angular insertion depth of 557 degrees of the electrode array was achieved. There were no complications, and the patient had an uneventful recovery and activation.

Minimally invasive, image-guided CI surgery is achievable and reduces the mastoid depression associated with traditional CI surgery.

Study NCT03101917, Microtable Microstereotactic Frame and Drill Press and Associated Method for Cochlear Implantation.

Case Report.

Case Report.

Thanks to the advantages of hearing-in-noise and spatial orientation, currently bilateral cochlear implantation (CI) became popular for patients with profound hearing loss. The aim of this study was to investigate vestibular function in bilateral simultaneous CI recipients.

Retrospective analysis.

University hospital.

Sixteen patients with profound hearing loss were included.

Bilateral simultaneous CI with flexible electrode using round window approach.

Vestibular function was evaluated using both objective and subjective measures in the subjects preoperatively and 4 months postoperatively. Differences were analyzed preoperatively and postoperatively.

Preoperative vestibular tests revealed that 8 subjects (50%) had abnormal caloric test results, 11 ears (34.4%) had abnormal ocular vestibular-evoked myogenic potential results, 6 ears (18.8%) had abnormal cervical vestibular-evoked myogenic potential results, 7 ears (21.9%) in the anterior semicircular canal, and 6 ears (18.8%) in the posterior sespectively. There was no correlation between the improvement of word recognition score and the change of vestibular tests.

The study showed preservation of utricle function, vestibular function at high frequency after bilateral simultaneous CI. However, operation significantly affected vestibular function at low frequency and saccule function. Patients with large vestibular aqueduct syndrome showed dramatically higher DHI scores than others. DHI moderately correlated with vHIT and weakly correlated with caloric.

The study showed preservation of utricle function, vestibular function at high frequency after bilateral simultaneous CI. However, operation significantly affected vestibular function at low frequency and saccule function. Patients with large vestibular aqueduct syndrome showed dramatically higher DHI scores than others. DHI moderately correlated with vHIT and weakly correlated with caloric.

Vitiligo is a disease that is characterized by a deficit of functional melanocytes all over the body including the inner ear.

To study the effect of the reduction of melanocytes on the audio-vestibular system in patients with vitiligo.

Our study included 35 patients with vitiligo (study group) and 35 healthy volunteers (control group). Audiological and vestibular function assessments were performed in all the participants and the results were compared between the two groups. PI3K inhibitor We assessed the auditory function utilizing pure-tone audiometry and the auditory brainstem response, while vestibular function was assessed by the Dizziness Handicap Inventory, the cervical vestibular-evoked myogenic potential (cVEMP), and videonystagmography.

Twelve patients with vitiligo showed impairment of the hearing especially in high frequencies in comparison with the control group. Auditory brainstem response wave III and I-III inter-peak latencies were significantly prolonged in the study group relative to the control subjects. On cVEMP testing, waves P13 and N23 were significantly delayed in the study group and the caloric test results showed that five vitiligo patients had unilateral weakness and three patients had bilateral weakness.

Vitiligo is a systemic disease that can influence the audio-vestibular system. Screening tests for early detection of audio-vestibular changes in patients with vitiligo are important, as they are more susceptible to oxidative damage of ototoxic medications, noise exposure, and age-related hearing loss.

Vitiligo is a systemic disease that can influence the audio-vestibular system. Screening tests for early detection of audio-vestibular changes in patients with vitiligo are important, as they are more susceptible to oxidative damage of ototoxic medications, noise exposure, and age-related hearing loss.