A Randomized Crossover Study in Single-Sided Deafness Comparing a Cartilage Conduction CROS System and an Air-Conduction CROS System.
Otol Neurotol
; 45(6): 635-642, 2024 Jul 01.
Article
em En
| MEDLINE
| ID: mdl-38769110
ABSTRACT
OBJECTIVE:
To investigate if cartilage conduction (CC) rerouting devices are noninferior to air-conduction (AC) rerouting devices for single-sided deafness (SSD) patients by measuring objective and subjective performance using speech-in-noise tests that resemble a realistic hearing environment, sound localization tests, and standardized questionnaires. STUDYDESIGN:
Prospective, single-subject randomized, crossover study.SETTING:
Anechoic room inside a university. PATIENTS Nine adults between 21 and 58 years of age with severe or profound unilateral sensorineural hearing loss.INTERVENTIONS:
Patients' baseline hearing was assessed; they then used both the cartilage conduction contralateral routing of signals device (CC-CROS) and an air-conduction CROS hearing aid (AC-CROS). Patients wore each device for 2 weeks in a randomly assigned order. MAIN OUTCOMEMEASURES:
Three main outcome measures were 1) speech-in-noise tests, measuring speech reception thresholds; 2) proportion of correct sound localization responses; and 3) scores on the questionnaires, "Abbreviated Profile of Hearing Aid Benefit" (APHAB) and "Speech, Spatial, and Qualities of Hearing Scale" with 12 questions (SSQ-12).RESULTS:
Speech reception threshold improved significantly when noise was ambient, and speech was presented from the front or the poor-ear side with both CC-CROS and AC-CROS. When speech was delivered from the better-ear side, AC-CROS significantly improved performance, whereas CC-CROS had no significant effect. Both devices mainly worsened sound localization, whereas the APHAB and SSQ-12 scores showed benefits.CONCLUSION:
CC-CROS has noninferior hearing-in-noise performance except when the speech was presented to the better ear under ambient noise. Subjective measures showed that the patients realized the effectiveness of both devices.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Localização de Som
/
Percepção da Fala
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Condução Óssea
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Estudos Cross-Over
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Auxiliares de Audição
/
Perda Auditiva Neurossensorial
Limite:
Adult
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Female
/
Humans
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Male
/
Middle aged
Idioma:
En
Revista:
Otol Neurotol
Assunto da revista:
NEUROLOGIA
/
OTORRINOLARINGOLOGIA
Ano de publicação:
2024
Tipo de documento:
Article