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Audiologic Gain of Incus Short Process Vibroplasty With Conventional Incus Long Process Vibroplasty: A Retrospective Analysis of 36 Patients

 Lee, Jeon Mi  ;  Lee, Young Ho  ;  Jung, Jinsei  ;  Kim, Sung Huhn  ;  Moon, In Seok  ;  Choi, Jae Young 
 OTOLOGY & NEUROTOLOGY, Vol.38(8) : 1063-1070, 2017 
Journal Title
Issue Date
Adolescent ; Adult ; Aged ; Aged, 80 and over ; Child ; Female ; Hearing/physiology ; Hearing Aids* ; Hearing Loss, Sensorineural/physiopathology ; Hearing Loss, Sensorineural/surgery* ; Hearing Tests ; Humans ; Incus/surgery* ; Male ; Middle Aged ; Ossicular Prosthesis* ; Otologic Surgical Procedures/methods* ; Retrospective Studies ; Young Adult
OBJECTIVE: To compare the audiological and non-audiological benefits of incus short process (SP) vibroplasty with those of conventional incus long process (LP) vibroplasty.

STUDY DESIGN: Retrospective analysis.

SETTING: Tertiary referral center.

PATIENTS: Thirty-six patients with sensorineural hearing loss were treated with the semi-implantable middle ear hearing device. Of these, 22 were treated with conventional LP vibroplasty, and 14 were treated with SP vibroplasty using SP couplers.

INTERVENTIONS: Implantation with the semi-implantable middle ear hearing device by different methods.

MAIN OUTCOME MEASURES: Pre- and postoperative hearing level, word recognition score, operation time, and duration of hospital stay were compared. We also surveyed a questionnaire to assess postoperative complications.

RESULTS: The improvement in hearing gain was comparable between SP vibroplasty and conventional LP vibroplasty, except at 8 kHz, at which LP vibroplasty showed better hearing gain (p < 0.05). Patients undergoing SP vibroplasty had shorter operation time (p < 0.01) and duration of hospital stay (p < 0.01). While four patients who underwent incus LP vibroplasty experienced taste changes, none who underwent incus SP vibroplasty experienced any complications.

CONCLUSIONS: SP vibroplasty with the newly invented SP coupler could be a good alternative to conventional LP vibroplasty for treating patients with sensorineural hearing loss. Although both SP vibroplasty and LP vibroplasty produce good results, the former is associated with a shorter operation time and duration of hospital stay as well as fewer complications.
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1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
Yonsei Authors
Moon, In Seok(문인석) ORCID logo https://orcid.org/0000-0002-3951-5074
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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