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EnglishOBJECTIVES: This study aims to compare the electrical auditory brainstem response (EABR) following cochlear implant (CI) surgery in pediatric subjects with cochlear malformation and a normal cochlea, in order to assess the sensitivity of EABR and to evaluate the surgery outcome. MATERIALS and METHODS: A total of 26 pediatric subjects who were deaf and scheduled for CI surgery were enrolled into this case control study. Group A (n=20) included subjects with a normo-conformed cochlea. Group B (n=6) included subjects with cochlear malformation. Subjects were evaluated with EABR immediately (T0) and 6 months (T1) post-CI surgery. The EABR Waves III and V average amplitude and latency were compared across time, separately for each group, and across groups, separately for each time. RESULTS: Auditory brainstem response (ABR) could only be recorded in Group A. We were able to record EABR from all subjects at T0 and T1, and waves III and V were present in all the recorded signals. There were no statistically significant differences between T0 and T1 in EABR Waves III and V in terms of average amplitude and latency in neither group. When comparing Groups A and B, the only statistically significant difference was the average amplitude of wave V, both at T0 and T1. CONCLUSION: EABR is a valid tool to measure the auditory nerve integrity after CI surgery in patients with a normal and malformed cochlea, as shown by its ability to measure waves III and V when ABR is absent. The EABR testing should be performed before and after CI surgery, and EABR should be used as a measure of outcome, especially in patients with a malformed cochlea.
Di Stadio, A., Dipietro, L., de Lucia, A., Trabalzini, F., Ricci, G., Martines, F., et al. (2019). E-ABR in patients with cochlear implant: A comparison between patients with malformed cochlea and normal cochlea. THE JOURNAL OF INTERNATIONAL ADVANCED OTOLOGY, 15(2), 215-221.
| Data di pubblicazione: | 2019 |
| Titolo: | E-ABR in patients with cochlear implant: A comparison between patients with malformed cochlea and normal cochlea |
| Autori: | |
| Citazione: | Di Stadio, A., Dipietro, L., de Lucia, A., Trabalzini, F., Ricci, G., Martines, F., et al. (2019). E-ABR in patients with cochlear implant: A comparison between patients with malformed cochlea and normal cochlea. THE JOURNAL OF INTERNATIONAL ADVANCED OTOLOGY, 15(2), 215-221. |
| Rivista: | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.5152/iao.2019.6251 |
| Abstract: | OBJECTIVES: This study aims to compare the electrical auditory brainstem response (EABR) following cochlear implant (CI) surgery in pediatric subjects with cochlear malformation and a normal cochlea, in order to assess the sensitivity of EABR and to evaluate the surgery outcome. MATERIALS and METHODS: A total of 26 pediatric subjects who were deaf and scheduled for CI surgery were enrolled into this case control study. Group A (n=20) included subjects with a normo-conformed cochlea. Group B (n=6) included subjects with cochlear malformation. Subjects were evaluated with EABR immediately (T0) and 6 months (T1) post-CI surgery. The EABR Waves III and V average amplitude and latency were compared across time, separately for each group, and across groups, separately for each time. RESULTS: Auditory brainstem response (ABR) could only be recorded in Group A. We were able to record EABR from all subjects at T0 and T1, and waves III and V were present in all the recorded signals. There were no statistically significant differences between T0 and T1 in EABR Waves III and V in terms of average amplitude and latency in neither group. When comparing Groups A and B, the only statistically significant difference was the average amplitude of wave V, both at T0 and T1. CONCLUSION: EABR is a valid tool to measure the auditory nerve integrity after CI surgery in patients with a normal and malformed cochlea, as shown by its ability to measure waves III and V when ABR is absent. The EABR testing should be performed before and after CI surgery, and EABR should be used as a measure of outcome, especially in patients with a malformed cochlea. |
| URL: | https://www.advancedotology.org/sayilar/101/buyuk/200-203.pdf |
| Settore Scientifico Disciplinare: | Settore MED/32 - Audiologia Settore MED/31 - Otorinolaringoiatria |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| E-ABR in Patients with Cochlear Implant.pdf | Articolo principale | Versione Editoriale | Open Access Visualizza/Apri |
http://hdl.handle.net/10447/391813
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