Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Τρίτη 28 Αυγούστου 2018

Safety of Radiofrequency Ablation for Adenotonsillectomy after Cochlear Implantation

Publication date: Available online 27 August 2018

Source: International Journal of Pediatric Otorhinolaryngology

Author(s): Matthew C. Gropler, Brittany A. Leader, David J. Brown, James R. Benke, Stephen P. Bowditch, Stacey L. Ishman

Abstract
Objective

While a cadaveric animal study has suggested that radiofrequency ablation can be safely used in patients with cochlear implants, no in vivo studies have been published to confirm that radiofrequency ablation does not alter the integrity of the cochlear implant device.

Methods

Cochlear implant impedance and functional performance were studied through a prospective case series in five children with seven functioning multichannel implants before and after radiofrequency ablation adenotonsillectomy.

Results

There were 4 females and 1 male patient, aged 6 to 10 years (mean 8.5 ± 1.95 years) with 7 functioning implants. Pre- and post-surgical impedance testing revealed all electrodes were within normal operating limits. There was no statistically significant difference between the mean pre and post-operative impedances in 5 of the 7 tested implants (P=0.2-0.8). The other two implants showed statistically significant improvement in impedance values which were not clinically significant (P=0.02 and P<0.001). Speech perception was unchanged as was functional performance for all 7 tested implants.

Conclusions

We found that radiofrequency ablation used in the oropharynx during adenotonsillectomy did not alter the integrity of the cochlear implant devices when assessed using electrode impedance testing, audiometry and speech perception evaluation. These results confirm those reported in previous in vitro studies and confirm the safety of radiofrequency ablation adenotonsillectomy for children who have undergone previous cochlear implant placement.



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