International journal of pediatric otorhinolaryngology · 2015
Hearing rehabilitation with the closed skin bone-anchored implant Sophono Alpha1: results of a prospective study in 15 children with ear atresia.
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Denoyelle Françoise, Coudert Cyrille, Thierry Briac, Parodi Marine, Mazzaschi Olivia, Vicaut Eric, Tessier Natacha, Loundon Natalie, Garabedian Eréa-Noël
Аннотация
OBJECTIVE: To study gain and cutaneous tolerance of the Sophono Alpha1 implant, used for unilateral hearing rehabilitation in children with ear atresia, and to demonstrate non-inferiority compared to the referral closed skin device, BAHA® on a test-band.
METHODS AND MATERIALS: Fifteen children included in a prospective clinical trial from September 2010 to November 2012. Tertiary care center.
MAIN OUTCOMES: Pure tone and speech audiometry before surgery and at M6 and 12; Speech-in-noise tests with and without Alpha1 at M6. Quality of life questionnaire completed before surgery and at M6; children and parent's satisfaction assessed at M6. Cutaneous appearance assessed at M6, M12 and during the last clinical assessment.
RESULTS: Patients' ages ranged from 61 to 129 months. They had a pure conductive deafness with a mean air conduction pure-tone average (ACPTA) of 69.02±9.31dB, and a mean SRT of 71.73±9.20dB. Follow-up was 12-32 months. At M6, the mean aided ACPTA was 33.49±4.89dB, the mean aided SRT 38.27±4.54dB and the mean aided SRT in noise was statistically improved (-7.80dB). Sophono Alpha1 demonstrated non-inferiority compared to BAHA® on a test-band. At M12, mean aided ACPTA was 2.94dB higher (p<0.001) but the mean SRT variation (+0.73dB) was not significantly different (p=0.35). At M12, all children used the implant 5 to 12h daily (mean: 10) without cutaneous complications. Both children and parents reported being satisfied or very satisfied. The score for 7/10 questions in silence or noisy environment was statistically improved when wearing the device.
CONCLUSIONS: This prospective study demonstrate non inferiority, good cutaneous tolerance, satisfaction of children and parents and improvement of the quality of life with the Sophono Alpha1 compared to BAHA® on a test-band. In the light of this study and of the previously published series, the aided threshold is between that obtained with BAHA on a softband and percutaneous BAHA. The Sophono Alpha1 device needs to be part of the hearing solutions proposed for the hearing rehabilitation in children with ear atresia.
METHODS AND MATERIALS: Fifteen children included in a prospective clinical trial from September 2010 to November 2012. Tertiary care center.
MAIN OUTCOMES: Pure tone and speech audiometry before surgery and at M6 and 12; Speech-in-noise tests with and without Alpha1 at M6. Quality of life questionnaire completed before surgery and at M6; children and parent's satisfaction assessed at M6. Cutaneous appearance assessed at M6, M12 and during the last clinical assessment.
RESULTS: Patients' ages ranged from 61 to 129 months. They had a pure conductive deafness with a mean air conduction pure-tone average (ACPTA) of 69.02±9.31dB, and a mean SRT of 71.73±9.20dB. Follow-up was 12-32 months. At M6, the mean aided ACPTA was 33.49±4.89dB, the mean aided SRT 38.27±4.54dB and the mean aided SRT in noise was statistically improved (-7.80dB). Sophono Alpha1 demonstrated non-inferiority compared to BAHA® on a test-band. At M12, mean aided ACPTA was 2.94dB higher (p<0.001) but the mean SRT variation (+0.73dB) was not significantly different (p=0.35). At M12, all children used the implant 5 to 12h daily (mean: 10) without cutaneous complications. Both children and parents reported being satisfied or very satisfied. The score for 7/10 questions in silence or noisy environment was statistically improved when wearing the device.
CONCLUSIONS: This prospective study demonstrate non inferiority, good cutaneous tolerance, satisfaction of children and parents and improvement of the quality of life with the Sophono Alpha1 compared to BAHA® on a test-band. In the light of this study and of the previously published series, the aided threshold is between that obtained with BAHA on a softband and percutaneous BAHA. The Sophono Alpha1 device needs to be part of the hearing solutions proposed for the hearing rehabilitation in children with ear atresia.