Intraoperative electrically evoked stapedius reflex thresholds in children undergone cochlear implantation: Round window and cochleostomy approaches

Abstract Objectives To study the best electrically stimulation in cochlear implant surgery with round window (RW) and Promontory cochleostomy approaches with electrically evoked stapedius reflex thresholds (ESRT) intraoperatively. Methods Thirty-nine children underwent CI surgery were included for t...

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Bibliographic Details
Published in:International journal of pediatric otorhinolaryngology 2011-09, Vol.75 (9), p.1123-1126
Main Authors: Karatas, Erkan, Aud, Murat Deniz, Baglam, Tekin, Durucu, Cengiz, Baysal, Elif, Kanlikama, Muzaffer
Format: Article
Language:English
Subjects:
Age Factors
Auditory Threshold - physiology
Child, Preschool
Children
Cochlea
Cochlear implantation
Cochlear Implantation - methods
Cochlear Implants
Cochleostomy
Cohort Studies
Deafness - diagnosis
Deafness - surgery
Electric Stimulation
Electrodes
Female
Follow-Up Studies
Humans
Infant
Intraoperative Care - methods
Male
Otolaryngology
Pediatrics
Promontory
Reflexes
Retrospective Studies
Risk Assessment
Round window
Round Window, Ear - surgery
Stapedius - surgery
Statistics
Statistics, Nonparametric
Stimulation
Surgery
Time Factors
Treatment Outcome
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Summary:Abstract Objectives To study the best electrically stimulation in cochlear implant surgery with round window (RW) and Promontory cochleostomy approaches with electrically evoked stapedius reflex thresholds (ESRT) intraoperatively. Methods Thirty-nine children underwent CI surgery were included for this study. The surgical procedures consisted of RW and Promontory cochleostomy. ESRT for each 1st, 3rd, 6th and 12th electrodes ( E ) were determined. Statistical evaluation was done for the comparison of the thresholds and duration times for both groups. Results The duration times of ESRT for E1, E3, E6 and E12 electrodes was shorter in RW group compared with the Promontory group ( p < 0.05). The statistical evaluation of ESRT measurements of E1, E3, E6 found p < 0.001 and E12 electrode p < 0.05 in RW group. ESRT measurements were recorded at lower threshold in the RW group compared with the Promontory group. Conclusion The duration of electrically stimulation thresholds were shorter in RW group. ESRT measurements were recorded at lower threshold in the RW group compared with the Promontory group. RW insertion offers best electrically stimulation relative to electrode insertion via a promontory cochleostomy.
ISSN:0165-5876
1872-8464
DOI:10.1016/j.ijporl.2011.06.002