Initial classification of pediatric hearing impairment using behavioral measures of early prelingual auditory
Siyu Liang1, Sigfrid D Soli2, Yun Zheng1
1a Hearing Center/Hearing & Speech Laboratory, Department of Otorhinolaryngology Head & Neck Surgery , West China Hospital, Sichuan University , Chengdu , Sichuan , China and.
Insights
Behavioral evidence of early prelingual auditory development (EPLAD) effectively classifies pediatric hearing loss, offering a preliminary assessment before formal diagnosis. This method shows high accuracy, aiding early intervention for hearing-impaired children.
Area of Science:
- Pediatric audiology
- Developmental pediatrics
- Hearing loss diagnostics
Background:
- Accurate classification of pediatric hearing loss is crucial for timely intervention.
- Behavioral measures offer a potential avenue for early assessment of auditory development.
- Early prelingual auditory development (EPLAD) has not been fully validated as a classification tool.
Purpose of the Study:
- To determine the sensitivity, specificity, and accuracy of pediatric hearing loss classification using behavioral evidence of EPLAD.
- To validate behavioral measures of EPLAD for clinical use.
- To assess the utility of EPLAD in facilitating initial treatment decisions.
Main Methods:
- Prospective and retrospective samples of hearing-impaired children under five years old were analyzed.
- The Infant-Toddler Meaningful Auditory Integration Scale (ITMAIS/MAIS) was used to assess EPLAD.
- Hearing loss severity was classified using ITMAIS/MAIS scores and tone-burst auditory brainstem response (ABR).
Main Results:
- EPLAD trajectories demonstrated distinct patterns based on hearing loss severity after two years of age.
- Classification of hearing loss using EPLAD achieved over 90% sensitivity.
- EPLAD classification demonstrated over 82% specificity and over 88% accuracy.
Conclusions:
- Behavioral evidence of EPLAD serves as a viable initial method for classifying pediatric hearing loss.
- EPLAD can facilitate prompt treatment initiation before definitive diagnostic evaluations like ABR.
- Validated behavioral measures of EPLAD enhance early management strategies for hearing-impaired children.
Objective:
Determine the sensitivity, specificity, and accuracy of pediatric hearing loss classification using behavioral evidence of early prelingual auditory development (EPLAD). Validate behavioral measures of EPLAD.
Design:
EPLAD was assessed in a prospective sample of hearing-impaired children using the infant-toddler meaningful auditory integration scale (ITMAIS/MAIS). Hearing losses were classified using tone-burst auditory brainstem response (ABR) and ITMAIS/MAIS scores. This process was repeated in a second retrospective sample.
Study Sample:
The prospective sample was comprised of 139 hearing-impaired children under five years of age. Approximately equal proportions of mild-moderate, severe, and profound losses were included. The second retrospective sample was comprised of case records for 144 hearing-impaired children meeting the same selection criteria. This sample contained more than 80% profound losses.
Results:
EPLAD trajectories reached different asymptotes after two years of age, depending on the severity of hearing loss, allowing children over this age to be classified. The sensitivity of EPLAD classifications was over 90%; specificity was over 82%; and accuracy was over 88%.
Conclusions:
Behavioral evidence of EPLAD provides an initial means of classifying pediatric hearing losses which can facilitate initial treatment options prior to diagnostic evaluation with tone-burst ABR.


