Hearing aid use Improves sound test scores in auditory neuropathy spectrum disorder: Study
Written By : Dr. Nandita Mohan
Medically Reviewed By : Dr. Kamal Kant Kohli
Published On 2021-04-28 02:45 GMT | Update On 2021-04-28 07:16 GMT
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Researchers have found in a new study that in most children with ANSD, IT-MAIS and Ling 6 Sound Test scores improved with initial hearing aid use and over time with extended hearing aid use.The study has been published in the American Journal of Otolaryngology.
Firas Sbeih and colleagues from the Cleveland Clinic Foundation, Head and Neck Institute, USA carried out this study with the objective to evaluate the audiologic outcomes with hearing aids in pediatric patients with auditory neuropathy spectrum disorder (ANSD) using the Infant Toddler-Meaningful Auditory Integration Scale (IT-MAIS), and the Ling 6 Sound Test (Ling 6).
The researchers included a total of 60 pediatric patients with ANSD. All pediatric patients with a confirmed diagnosis on the Auditory Brainstem Response (ABR) testing who presented to a single tertiary medical center were involved in the study.
Only patients that underwent Infant Toddler-Meaningful Auditory Integration Scale (IT-MAIS) and/or Ling 6 Sound Test (Ling 6) were included in the study. Audiologic testing performed after cochlear implantation was excluded.
The results showed that-
There were 10 patients included in the study with documented hearing aid use who underwent IT-MAIS and/or Ling 6 testing.
Average IT-MAIS score improved by 20.4% after initial or extended trial of amplification.
Similarly, average Ling 6 score improved from 3.6 to 4.8 after initial or extended trial of amplification.
The four patients who did not receive amplification had higher average IT-MAIS and Ling 6 scores.
Hence, it was concluded that "in most children with ANSD, IT-MAIS and Ling 6 Sound Test scores improved with initial hearing aid use and over time with extended hearing aid use."
However, long-term prospective, multi-institutional studies are needed to determine the impact of the natural history of ANSD, comorbidities, and socioeconomic variables on auditory function testing results in children with ANSD using hearing aids.
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