Original Research Evaluating the feasibility of a tele-diagnostic auditory brainstem response service in a rural context

Divhanani Sithi, Samantha M. Govender, Thembelihle S. Ntuli

About the author(s) Divhanani Sithi, Department of Speech-Language Pathology and Audiology, Faculty of Health Sciences, Sefako Makgatho Health Sciences University, Pretoria, South Africa
Samantha M. Govender, Department of Speech-Language Pathology and Audiology, Faculty of Health Sciences, Sefako Makgatho Health Sciences University, Pretoria, South Africa
Thembelihle S. Ntuli, Department of Statistical Sciences, Faculty of Science and Technology, Sefako Makgatho Health Sciences University, Pretoria, South Africa

Abstract

Background: There is a noticeable gap in access to audiology services in South Africa, and the gap is intensified in rural areas. Often, primary healthcare (PHC) facilities have an unequal ratio of audiologists to patients in need. Telehealth can expand the range of hearing healthcare services.

Objectives: This study aimed to determine whether, for infants, tele-diagnostic Auditory Brainstem Response (ABR) assessment results conducted within a mobile clinic van are comparable to face-to-face diagnostic ABR results in rural Winterveldt, Pretoria North, South Africa.

Method: The study utilised a quantitative, prospective cross-sectional comparative within-subject design. Each participant received both face-to-face and mobile tele-diagnostic ABR tests, which were then compared to evaluate the feasibility of mobile tele-diagnostic ABR testing. The Student’s t-test was used to determine whether there was a difference between face-to-face and tele-diagnostic tests, and Bland -Altman plots were used to assess the level of agreement between the ABR testing results.

Results: There was a strong correlation (p < 0.001) between face-to-face and mobile tele-diagnostic ABR test results for both neurological and audiological ABR tests. The study found that there was no statistical significance between face-to-face and tele-diagnostic ABR measures; additionally, the results were within clinically acceptable and normative measures.

Conclusion: Tele-diagnostic ABR offered within a mobile clinic van is feasible as it produces similar and clinically acceptable results when compared to the traditional assessment method.

Contribution: This feasibility study is a positive indicator that tele-diagnostic ABR testing through a mobile clinic van may be considered to accelerate the delivery of hearing healthcare services to the infant population in rural communities.

Keywords

face-to-face ABR; tele-diagnostic ABR; infant rural ABR; infant remote ABR; mobile clinic van; audiological care; tele-audiologỵ

Sustainable Development Goal

Goal 9: Industry, innovation and infrastructure

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