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Correlation of Grading and Number of Ear Subunits With Auditory Brainstem Response Findings in Children With Microtia.

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Title: Correlation of Grading and Number of Ear Subunits With Auditory Brainstem Response Findings in Children With Microtia.
Authors: Widodo, Dini Widiarni1, Zizlavsky, Semiramis1 semiramiszizlavsky@gmail.com
Source: American Journal of Audiology. Jun2024, Vol. 33 Issue 2, p503-509. 7p.
Subject Terms: *Statistical correlation, *Data analysis, *Retrospective studies, *Research, *Comparative studies, *Children, Ear anatomy, Ear diseases, Severity of illness index, Chi-squared test, Mann Whitney U Test, Descriptive statistics, Brain stem, Medical records, Acquisition of data, Statistics, Auditory evoked response
Abstract: Purpose: The association between microtia severity and hearing function has been thoroughly investigated. This study examined the relationship between microtia grade, number of ear subunits (i.e., helix, antihelix, scapha, triangularis fossa, concha, lobule, tragus, and antitragus) with auditory brainstem response (ABR) findings in children with microtia. Study Design: A retrospective chart review was employed in this study. Method: We analyzed the ABR test results and photographs of 22 children with 30 microtia ears at Dr. Cipto Mangunkusumo National Hospital, Jakarta. The ABR test results were acquired using click (air conduction only) and 500-Hz tone burst stimuli (air- and bone-conduction). Ear photographs were overlaid with a template of a normal ear to determine the number of ear subunits present and the subsequent microtia grade. Number of ear subunits and ABR results were analyzed using the chi-square, Mann--Whitney U, and Spearman's correlation tests. Results: ABR thresholds for click and 500-Hz tone bursts air-conduction were significantly poorer for ears with a subunit < 5 compared to ears with a subunit ≥ 5. No significant difference was observed in 500 Hz bone-conduction ABR thresholds between these groups. Correlation analysis showed a significant negative correlation between increased ear subunits and click ABR thresholds. No significant correlation was found between ear subunits and 500-Hz air- and bone-conduction ABR thresholds. Conclusions: A higher number of ear subunits are associated with a lower hearing threshold, as assessed using ABR with click stimuli. Therefore, the number of ear subunits and microtia grades can be used to examine the hearing level thresholds in infants and children with microtia. [ABSTRACT FROM AUTHOR]
Copyright of American Journal of Audiology is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Education Research Complete
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  Data: Correlation of Grading and Number of Ear Subunits With Auditory Brainstem Response Findings in Children With Microtia.
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22American+Journal+of+Audiology%22&quot;&gt;American Journal of Audiology&lt;/searchLink&gt;. Jun2024, Vol. 33 Issue 2, p503-509. 7p.
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  Data: Purpose: The association between microtia severity and hearing function has been thoroughly investigated. This study examined the relationship between microtia grade, number of ear subunits (i.e., helix, antihelix, scapha, triangularis fossa, concha, lobule, tragus, and antitragus) with auditory brainstem response (ABR) findings in children with microtia. Study Design: A retrospective chart review was employed in this study. Method: We analyzed the ABR test results and photographs of 22 children with 30 microtia ears at Dr. Cipto Mangunkusumo National Hospital, Jakarta. The ABR test results were acquired using click (air conduction only) and 500-Hz tone burst stimuli (air- and bone-conduction). Ear photographs were overlaid with a template of a normal ear to determine the number of ear subunits present and the subsequent microtia grade. Number of ear subunits and ABR results were analyzed using the chi-square, Mann--Whitney U, and Spearman&#39;s correlation tests. Results: ABR thresholds for click and 500-Hz tone bursts air-conduction were significantly poorer for ears with a subunit &lt; 5 compared to ears with a subunit ≥ 5. No significant difference was observed in 500 Hz bone-conduction ABR thresholds between these groups. Correlation analysis showed a significant negative correlation between increased ear subunits and click ABR thresholds. No significant correlation was found between ear subunits and 500-Hz air- and bone-conduction ABR thresholds. Conclusions: A higher number of ear subunits are associated with a lower hearing threshold, as assessed using ABR with click stimuli. Therefore, the number of ear subunits and microtia grades can be used to examine the hearing level thresholds in infants and children with microtia. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of American Journal of Audiology is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1044/2024_AJA-23-00162
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      – Code: eng
        Text: English
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        PageCount: 7
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    Subjects:
      – SubjectFull: Statistical correlation
        Type: general
      – SubjectFull: Data analysis
        Type: general
      – SubjectFull: Retrospective studies
        Type: general
      – SubjectFull: Research
        Type: general
      – SubjectFull: Comparative studies
        Type: general
      – SubjectFull: Children
        Type: general
      – SubjectFull: Ear anatomy
        Type: general
      – SubjectFull: Ear diseases
        Type: general
      – SubjectFull: Severity of illness index
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      – SubjectFull: Chi-squared test
        Type: general
      – SubjectFull: Mann Whitney U Test
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      – SubjectFull: Descriptive statistics
        Type: general
      – SubjectFull: Brain stem
        Type: general
      – SubjectFull: Medical records
        Type: general
      – SubjectFull: Acquisition of data
        Type: general
      – SubjectFull: Statistics
        Type: general
      – SubjectFull: Auditory evoked response
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    Titles:
      – TitleFull: Correlation of Grading and Number of Ear Subunits With Auditory Brainstem Response Findings in Children With Microtia.
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              M: 06
              Text: Jun2024
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              Y: 2024
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