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천태욱; 김예리; 박만준; 곽민영; 양찬주; 유명훈; 박홍주

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자료유형: 학술저널

저자정보: 천태욱 (울산공업학원울산대학교병원) 김예리 (울산대학교 의과대학 서울아산병원 이비인후-두경부외과학교실) 박만준 (울산대학교 의과대학 서울아산병원 이비인후과학교실) 곽민영 (을지대학교 의과대학 이비인후과학교실) 양찬주 (한일병원 이비인후과) 유명훈 (경북대학교) 박홍주 (울산대학교 의과대학 서울아산병원 이비인후과학)

저널정보: 대한이비인후과학회 대한이비인후-두경부외과학회지 대한이비인후-두경부외과학회지 제64권 제9호

발행연도: 2021.9

수록면: 619 - 625 (7page)

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Background and Objectives In this study, we introduce our method of hearing aid (HA)verification using real ear measurement (REM). We verified HAs that have gone through thefitting program using speech mapping REM; we then compared the outcome with word recognitionscores (WRS) to evaluate functional gain. Subjects and Method Fifty-six patients of sensorineural hearing loss (81 ears) were enrolledin the study. In REM, if the gap between the target gain of HA and real ear aided response(REAR) was less than 10 dB SPL, fitting was considered successful. In speech audiometry,unaided maximum discrimination score (PB max), unaided WRS at 65 dB HL andaided WRS at 65 dB HL were measured. By comparing PB max and aided WRS at 65 dB HL,patients were sorted into best (n=15), good (n=57), and poorly (n=9) aided groups and analyzedfor the successes of fitting. Fitting was deemed unsuccessful if REAR was ≥10 dB SPLlower than the target value of HA. Results The mean aided WRS at 65 dB HL of best, good and poorly aided groups were85.6%, 77.3%, and 54.2%, respectively. There were statistically significant differences betweenall groups (p=0.019, 0.001, 0.002). The success rates of HA fitting showed significant differencesat 0.5, 0.75, 1, 4 kHz of 55 dB SPL (p=0.023, 0.005, 0.003, 0.014), and at 4 kHz of 65 and75 dB SPL (p=0.004, 0.001). The high WRS group showed sufficient gain at many frequencies. Conclusion Well fitted HAs can provide sufficient increase in speech intelligibility. Usingthe speech mapping REM is a great method to verify fitting of HA.

#Hearing aids #Hearing loss #Speech discrimination tests.

참고문헌 (16)

참고문헌 신청

Korea Institute for Health and Social Affairs / 2014 / 2014 national survey for persons with disabilities

Scollie S / 2005 / The desired sensation level multistage input/output algorithm / Trends Amplif 9(4):159~197

Dillon H / 1999 / NAL-NL1 : A new procedure for fitting non-linear hearing aids / Hear J 52(4):10~16

Ching TYC / 2018 / Hearing aid fitting and developmental outcomes of children fit according to either the NAL or DSL prescription: Fitto-target, audibility, speech and language abilities / Int J Audiol 57(sup2):S41~S54

Yoon TH / 1998 / Hearing aid fitting and verification / Korean J Audiol 2(1):17~22

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