The journal of international advanced otology · 2021
Long-Term Outcome of Cochlear Implantation in Post-meningitic Deafnes.
СтатьяНазвание и аннотация: Перевод в очереди
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Altuntaş Ozan Muzaffer, Özkan Burcu, Bajin Demir, Sennaroğlu Gonca, Sennaroğlu Levent
Аннотация
BACKGROUND: This study was planned (1) to evaluate long-term outcome after cochlear implantation in patients with post-meningitic deafness and (2) to compare the outcome measures with patients implanted for deafness due to other causes.
METHODS: Records of 54 patients deafened as a sequel of bacterial meningitis and implanted at the largest university-based cochlear implant program in Turkey were retrospectively reviewed. Fifty-four age- and sex-matched patients with a similar interval of implant use were selected for controls. Surgical and long-term audiological outcome (in terms of categories of auditory performance-II scores) was assessed and compared.
RESULTS: Twenty-seven (52%) patients had some degree of labyrinthitis ossificans and 19 of them had full electrode insertion via basal turn cochleostomy. Patients with and without labyrinthitis ossificans in the post-meningitic group had no difference in final categories of auditory performance-II score (P=.559). Median categories of auditory performance-II scores were 6 for post-meningitic group and 7 for controls, with a significant statistical difference (P < .001). Partial or full insertions did not differ in outcome (P=.938). Mean time to implantation was not correlated with the final categories of auditory performance-II score for the post-meningitic group (P=.695).
CONCLUSION: Cochlear implant recipients deafened due to meningitis have a worse long-term hearing and speech performance as measured by categories of auditory performance-II than patients implanted for congenital deafness. The presence of labyrinthitis ossificans or the limited extent of electrode insertion produced overall results that were comparable with other cases.
METHODS: Records of 54 patients deafened as a sequel of bacterial meningitis and implanted at the largest university-based cochlear implant program in Turkey were retrospectively reviewed. Fifty-four age- and sex-matched patients with a similar interval of implant use were selected for controls. Surgical and long-term audiological outcome (in terms of categories of auditory performance-II scores) was assessed and compared.
RESULTS: Twenty-seven (52%) patients had some degree of labyrinthitis ossificans and 19 of them had full electrode insertion via basal turn cochleostomy. Patients with and without labyrinthitis ossificans in the post-meningitic group had no difference in final categories of auditory performance-II score (P=.559). Median categories of auditory performance-II scores were 6 for post-meningitic group and 7 for controls, with a significant statistical difference (P < .001). Partial or full insertions did not differ in outcome (P=.938). Mean time to implantation was not correlated with the final categories of auditory performance-II score for the post-meningitic group (P=.695).
CONCLUSION: Cochlear implant recipients deafened due to meningitis have a worse long-term hearing and speech performance as measured by categories of auditory performance-II than patients implanted for congenital deafness. The presence of labyrinthitis ossificans or the limited extent of electrode insertion produced overall results that were comparable with other cases.