Download 13th International Conference on Cochlear Implants and Other

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Stenting: A viable option in ossified cochlea
Kirtane M.
P.D.Hinduja National Hospital and Research Centre, ENT and Head Neck Surgery, Mumbai, India
Objective: To assess the hearing outcome in patients of cochlear ossification after stenting and to compare the
auditory outcome of the stented patients with those who have been stented immediately post meningitis. Partial
or complete obliteration of the cochlear lumen is found in patients suffering from deafness post meningitis. These
are the cases which require implantation at the earliest. But, in our region finances is the main constraint and
people spend lot of time procuring money and land up with complete obliteration of the cochlear lumen. These
patients then require a drill out procedure during implantation. Hence, we have developed a technique where in
we use a depth gauge as a stent, to keep the lumen patent. This prevents further ossification of the cochlea, thus
making implantation easier. Once the funds are arranged we remove the stent and replace it with cochlear
Study Design: A retrospective study, included a group of patients implanted post meningitis immediately and a
group who was stented initially and implanted at a later date.
Conclusion: The stent helps to keep the cochlear lumen patent and so makes it easier to place the implant in
the cochlea. We encountered no difficulties while operating on stented patients. The patient gets time to arrange
for his finances and a hope to gain hearing. The hearing outcomes of the stented group is comparable with those
who were implanted immediately post meningitis.