The impact of electrode type on intraoperative and postoperative telemetry measures in cochlear implant using different surgical technique

Comparable Electrode Impedance and Speech Perception at 12 Months after Cochlear Implantation Using Round Window versus Cochleostomy: An Analysis of 40 Patients

“…Our results showed that there was no significant difference in impedance between the RW and cochleostomy groups. Hamada et al [13] showed no significant differences in electrode impedance between the RW and cochleostomy approaches for 69 pediatric and adult CI users using 4 types of electrodes 1 month after the surgery. Gu et al [12] compared the impact of the modified minimal access CI approach which was improved basing it on RW approach and cochleostomy approaches for 50 pediatric and adult CI users using the same type of electrode and found that electrode impedance values were significantly lower in the minimal access CI group than in the cochleostomy group at initial activation.…”

“…Gu et al [12] showed that the RW approach achieved lower impedance than the cochleostomy approach, whereas Hamada et al [13] held different viewpoints that the RW and cochleostomy approaches provided comparable impacts on electrode impedance. Except for electrode impedance, residual hearing, insertion depth and speech perception were compared between the 2 approaches.…”