Relative efficacy of veria and mastoidectomy techniques of cochlear implantation in preservation of sound-induced saccular responses.
Int J Audiol
; 60(11): 858-866, 2021 11.
Article
em En
| MEDLINE
| ID: mdl-33810782
ABSTRACT
OBJECTIVE:
Cochlear implantation (CI) is a safe technique to give hearing sensation to a person with hearing impairment. The present study aimed to compare the two surgical approaches of CI, mastoidectomy and veria, for their effects on saccular function assessed using cervical vestibular-evoked myogenic potential (cVEMP).DESIGN:
Multiple group time series design. STUDY SAMPLE The study included 63 children (3-8 years old) who underwent CI using veria technique (n = 20) and mastoidectomy approach (n = 43). The 500-Hz tone-burst evoked cVEMP were recorded on three occasions- a day before CI surgery, a day after the device switch-on and 4 months after the switch-on.RESULTS:
The post-implant results revealed the absence of cVEMP in nearly 40% of the participants. The amplitudes were significantly lower at the time of the switch-on and at the 4-months follow-up period (p < 0.05). Among the participants undergoing CI using mastoidectomy approach, amplitudes were significantly larger after surgery than those undergoing surgery using veria technique (p < 0.05).CONCLUSIONS:
The saccular responses are better preserved with the mastoidectomy technique than the veria technique for CI surgery.Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Implante Coclear
/
Potenciais Evocados Miogênicos Vestibulares
/
Perda Auditiva
Limite:
Child
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Child, preschool
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Humans
Idioma:
En
Ano de publicação:
2021
Tipo de documento:
Article