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Evaluation of Maximal Speech Intelligibility With Vibrant Soundbridge in Patients With Sensorineural Hearing Loss

 Lee, Hyun-Jin  ;  Lee, Jeon Mi  ;  Choi, Jae Young  ;  Jung, Jinsei 
 OTOLOGY & NEUROTOLOGY, Vol.38(9) : 1246-1250, 2017 
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Issue Date
Adult ; Aged ; Aged, 80 and over ; Audiometry, Speech/methods ; Female ; Hearing Aids* ; Hearing Loss, High-Frequency/physiopathology ; Hearing Loss, Sensorineural/physiopathology ; Hearing Loss, Sensorineural/surgery* ; Hearing Tests ; Humans ; Male ; Middle Aged ; Patient Satisfaction ; Prostheses and Implants* ; Retrospective Studies ; Speech Intelligibility/physiology* ; Vibration ; Young Adult
OBJECTIVE: The study investigated improvements in maximal speech intelligibility after Vibrant Soundbridge (VSB) implantation and analyzed the effect of the hearing loss pattern on maximal speech intelligibility represented by a phonetically balanced word score (PBmax). The effect of middle ear implants on PBmax has not been evaluated yet. STUDY DESIGN: Study. SETTING: Tertiary academic medical center. PATIENTS/INTERVENTIONS: Sixty patients who underwent VSB from December 2011 to January 2016 were retrospectively reviewed. All the patients had hearing aids preoperatively. MAIN OUTCOME MEASURES: Pure-tone and speech audiometry were checked with and without hearing aids and then with the VSB. The patients were divided into two groups: flat and down-sloping type of hearing loss. PBmax score was evaluated at the most comfortable listening level before and after VSB implantation and compared with scores with/without HA. RESULTS: PBmax for both conventional HA and VSB were significantly higher compared with the unaided condition. The improvement in speech recognition was significantly better using VSB than using HA (p = 0.003). However, there was no significant difference in the improvement provided by VSB and HA in patients with a flat hearing loss. Patients with a down-sloping audiogram showed significantly better improvement with VSB than with HA (p = 0.003). Moreover, patients with greater preoperative high-frequency hearing loss had greater improvement in PBmax after VSB implantation. CONCLUSION: Speech intelligibility can be significantly improved by VSB implantation, especially in patients with a down-sloping hearing loss. This finding can help select patients who will benefit most from VSB implantation.
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1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
Yonsei Authors
Jung, Jinsei(정진세) ORCID logo https://orcid.org/0000-0003-1906-6969
Choi, Jae Young(최재영) ORCID logo https://orcid.org/0000-0001-9493-3458
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