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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Bento, Ricardo Ferreira Bittencourt, Aline Gomes Goffi-Gomez, Maria Valéria Schmidt Samuel, Paola Tsuji, Robinson Koji de Brito, Rubens |
| Description | Country affiliation: Brazil Author Affiliation: Bento RF ( Department of Otolaryngology, University of São Paulo School of Medicine, São Paulo, Brazil.) |
| Abstract | OBJECTIVES: To report the results of cochlear implantation via the middle fossa approach in 4 patients, discuss the complications, and present a detailed description of the programming specifications in these cases. STUDY DESIGN: Retrospective case review. SETTING: Tertiary-care referral center with a well-established cochlear implant program. PATIENTS: Four patients with bilateral canal wall down mastoid cavities who underwent the middle fossa approach for cochlear implantation. INTERVENTIONS: Cochlear implantation and subsequent rehabilitation. A middle fossa approach with cochleostomy was successfully performed on the most superficial part of the apical turn in 4 patients. A Nucleus 24 cochlear implant system was used in 3 patients and a MED-EL Sonata Medium device in 1 patient. The single electrode array was inserted through a cochleostomy from the cochlear apex and occupied the apical, middle, and basal turns. Telemetry and intraoperative impedance recordings were performed at the end of surgery. A CT scan of the temporal bones was performed to document electrode insertion for all of the patients. MAIN OUTCOME MEASURES: Complications, hearing thresholds, and speech perception outcomes were evaluated. RESULTS: Neural response telemetry showed present responses in all but 1 patient, who demonstrated facial nerve stimulation during the test. Open-set speech perception varied from 30% to 100%, despite the frequency allocation order of the MAP. CONCLUSION: Cochlear implantation via the middle cranial fossa is a safe approach, although it is a challenging procedure, even for experienced surgeons. |
| File Format | HTM / HTML |
| ISSN | 15317129 |
| Issue Number | 9 |
| Volume Number | 33 |
| e-ISSN | 15374505 |
| Journal | Otology & Neurotology |
| Language | English |
| Publisher | Lippincott Williams & Wilkins |
| Publisher Date | 2012-12-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Therapy Hearing Loss, Bilateral Ear Diseases Mastoid Humans Middle Aged Male Cholesteatoma, Middle Ear Facial Nerve Chemoradiotherapy Journal Article Case Reports Monitoring, Physiologic Surgery Adult Female Physiology Retrospective Studies Nasopharyngeal Neoplasms Postoperative Complications Adverse Effects Complications Anatomy & Histology Tomography, X-ray Computed Discipline Otolaryngology Treatment Outcome Telemetry Auditory Threshold Temporal Bone Cochlear Implantation Cranial Fossa, Middle Otologic Surgical Procedures Speech Perception Methods Hearing Loss |
| Content Type | Text |
| Resource Type | Case study Article |
| Subject | Otorhinolaryngology Sensory Systems Neurology (clinical) |
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