The Impact of Clinical History on the Threshold Estimation of Auditory Brainstem Response Results for Infants
Maha Zaitoun1, Steven Cumming2, Alison Purcell2
1Faculty of Health Sciences, The University of Sydney, New South Wales, AustraliaJordan University of Science and Technology, Irbid, Jordan.
Insights
Patient clinical history does not significantly impact audiologists' interpretation of auditory brainstem response (ABR) results. This finding suggests audiologists can confidently interpret ABR traces even with incomplete case history information.
Area of Science:
- Audiology
- Neuroscience
- Pediatric Medicine
Background:
- Accurate interpretation of Auditory Brainstem Response (ABR) is crucial for diagnosing hearing loss in infants.
- Clinical history often aids in the interpretation of diagnostic tests, but its specific impact on ABR analysis is not fully understood.
Purpose of the Study:
- To evaluate the effect of patient clinical history on audiologists' accuracy in interpreting ABR results.
- To determine if providing clinical information improves diagnostic performance in ABR interpretation.
Main Methods:
- Fourteen audiologists interpreted ABR traces from 16 infants on two separate occasions.
- In the first session, only infant age was provided; in the second, full clinical history was supplied.
- Audiologists' sensitivity, specificity, and accuracy in estimating hearing thresholds were compared between conditions.
Main Results:
- The addition of clinical history did not yield statistically significant improvements in sensitivity, specificity, or overall diagnostic accuracy.
- While true-negative and true-positive diagnoses were numerically higher with clinical history, the differences were not statistically significant.
Conclusions:
- Audiologists can maintain diagnostic accuracy when interpreting ABR traces even with incomplete or unavailable clinical history.
- This suggests that audiologists managing large caseloads or facing time constraints can prioritize ABR testing without historical data, potentially improving efficiency.
Purpose:
This study assesses the impact of patient clinical history on audiologists' performance when interpreting auditory brainstem response (ABR) results.
Method:
Fourteen audiologists' accuracy in estimating hearing threshold for 16 infants through interpretation of ABR traces was compared on 2 occasions at least 5 months apart. On the 1st occasion, ABR traces were presented to the audiologists with no clinical information except for the age of the child. On the 2nd occasion, audiologists were given a full clinical history for the ABR cases.
Results:
The addition of clinical history information had no statistically significant impact on sensitivity, specificity, or accuracy of diagnosis. Although the mean numbers of true-negative and true-positive diagnoses were higher when audiologists were given clinical information, the difference was again not statistically significant.
Conclusion:
This study suggests that if there are circumstances in which case material is incomplete or unavailable, audiologists have no cause for concern regarding the accuracy of their interpretation of ABR traces. In a clinical manner, this may help audiologists with large caseloads or audiologists who need to provide a diagnosis of hearing loss in a short time by allowing them to focus on conducting ABR without the need for case history information.
