Cochlear Implantation – Anesthesia Challenges
Date Issued
2023-10
Author(s)
Abstract
Cochlear implants are an acceptable therapeutic options for the patients with
irreversible hearing loss. Congenital hearing loss affects 1 to 3 per 1000 newborns.
The reason for deaf children is deaf-mutizm, and deaf-mutizm could be an
isolated non-syndromic sesorineural hearing loss (N-SNHL), if the patient has
problem associated only with the vestibulocochlear nerve, or syndromic sensor neural
hearing loss, that appears with other medical symptoms, that make a syndrome.
The term syndromic sesorineural hearing loss (SNHL) is used if a patient has
hearing loss in addition to other medical abnormalities, like pigments in retina
(retinitis pigments’ form), abnormal iodine metabolism associated with thyroid goiter
(euthyreotic form) or cardiac arrhythmias (cardiac form).
Approximately 80 percent of children with genetic hearing loss have isolated
non-syndromic sensor neural hearing loss and 20 percent of children with genetic
hearing loss have other associated findings (syndromic sesorineural hearing loss).1
Speaking about technical aspects, cochlear implants are extremely expensive
computerized electric prostheses that partially replace the functions of the cochlea.
The surgery is time consuming and complicated, and the anesthesia technique plays
a crucial role in success of cochlear implant surgery.
Preoperative anesthetic evaluation of the patients, no ma7er if they are pediatric
or adult patients, is very important. But, pediatric patients could have various types
of unrecognized symptoms, before surgery, that are very important from anesthetic
point of view.
University clinic for ear, nose and throat surgery in Skopje, start with cochlear
implantation in 2007. Macedonian academy of sciences and arts, medical department,
in coordination with our clinic, made a project about inherited deafness, and
nowadays we have a map of inherited deafness in Republic of North Macedonia.
irreversible hearing loss. Congenital hearing loss affects 1 to 3 per 1000 newborns.
The reason for deaf children is deaf-mutizm, and deaf-mutizm could be an
isolated non-syndromic sesorineural hearing loss (N-SNHL), if the patient has
problem associated only with the vestibulocochlear nerve, or syndromic sensor neural
hearing loss, that appears with other medical symptoms, that make a syndrome.
The term syndromic sesorineural hearing loss (SNHL) is used if a patient has
hearing loss in addition to other medical abnormalities, like pigments in retina
(retinitis pigments’ form), abnormal iodine metabolism associated with thyroid goiter
(euthyreotic form) or cardiac arrhythmias (cardiac form).
Approximately 80 percent of children with genetic hearing loss have isolated
non-syndromic sensor neural hearing loss and 20 percent of children with genetic
hearing loss have other associated findings (syndromic sesorineural hearing loss).1
Speaking about technical aspects, cochlear implants are extremely expensive
computerized electric prostheses that partially replace the functions of the cochlea.
The surgery is time consuming and complicated, and the anesthesia technique plays
a crucial role in success of cochlear implant surgery.
Preoperative anesthetic evaluation of the patients, no ma7er if they are pediatric
or adult patients, is very important. But, pediatric patients could have various types
of unrecognized symptoms, before surgery, that are very important from anesthetic
point of view.
University clinic for ear, nose and throat surgery in Skopje, start with cochlear
implantation in 2007. Macedonian academy of sciences and arts, medical department,
in coordination with our clinic, made a project about inherited deafness, and
nowadays we have a map of inherited deafness in Republic of North Macedonia.
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