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  • Title: [Efficacy of BAHA softband in young children with bilateral congenital aural atresia].
    Author: Zhang Y, Fan Y, Wang Y, Chen X.
    Journal: Zhonghua Yi Xue Za Zhi; 2014 Feb 18; 94(6):420-3. PubMed ID: 24754984.
    Abstract:
    OBJECTIVE: To retrospectively analyze the auditory and speech development of young children with bilateral congenital aural atresia after using bone-anchored hearing aid (BAHA) softband. METHODS: From August 2010 to January 2013, a total of 12 patients aged at a range of 3 months to 6 years with bilateral aural atresia using BAHA softband were divided into under 4-year-old group (n = 7, an average age of 14 months) and over 4-year-old group (n = 5, an average age of 77 months). The air and bone auditory thresholds of the under 4-year-old group were assessed by auditory brainstem response (ABR). The Infant-Toddler Meaningful Auditory Integration Scale (IT-MAIS) was used to evaluate early auditory development.Soundfield pure tone audiometry (PTA) was applied in the over 4-year-old group. The Standard Chinese lexical neighborhood test (LNT) was conducted to evaluate the speech discrimination scores unaided and aided for 6, 12 and 24 months. RESULTS: For the under 4-year-old group, the unaided air and bone conduction hearing thresholds were 70-90(73 ± 12) and 15-25(21 ± 4) dB nHL respectively.IT-MAIS score improved significantly after using softband for 6 months in comparisons with unaided situations. The average hearing threshold of patients in the over 4-year-old group was (63 ± 6) dB HL unaided versus (31 ± 4)dB HL aided. The average decline in pure-tone threshold was (32 ± 3)dB HL with BAHA softbands and LNT demonstrated improvements in the speech discrimination score. The differences of paired comparison were significant (all P < 0.05). CONCLUSIONS: The hearing ability of children with bilateral congenital aural atresia improves significantly after using BAHA softband. And its application at a young age can guarantee a relatively normal hearing development and avoid oral communication impairment.
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