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J Audiol Otol > Volume 22(3); 2018 > Article
Ravi, Gunjawate, Yerraguntla, and Driscoll: Knowledge and Perceptions of Teleaudiology Among Audiologists: A Systematic Review


Background and Objectives

The knowledge and perception of teleaudiology among audiologists will determine the acceptance and success of teleaudiology practice. This systematic review was conducted to review the published literature on knowledge and perceptions of teleaudiology application among audiologists.

Materials and Methods

Five studies exploring knowledge and perceptions of teleaudiology application among audiologists published in the English language up to May 2017 were included.


Positive attitudes was observed across the studies regarding acceptance towards application of teleaudiology. The most common sources of knowledge were on the job, graduate studies, and continuing education programs. The major barriers to the uptake of application of teleaudiology were in terms of limitations in infrastructure, reimbursement, and licensure.


The study sheds light on the existing knowledge and perceptions of teleaudiology applications among audiologists. This will help in improving the existing teleaudiology services as well as overcome the challenges faced.


Telehealth aims to provide health care services to underserved populations across the world using communication and information technology. The word telehealth means health care at a distance [1]. Advanced technology and connectivity have helped in bridging the gap between patients and health care providers, thereby overcoming economic and geographical barriers. It has also enabled better access to professional training resources and mentoring for the health care professionals. Teleaudiology can be applied either in a synchronous, asynchronous or hybrid model. A synchronous model allows for real-time delivery and monitoring of services via videoconference. An asynchronous model uses the store-and-forward methodology, where the test results are stored and reviewed later. The hybrid model uses both synchronous and asynchronous models [2].
The American Academy of Audiology [3] and American Speech-Language-Hearing Association [4] have propagated and supported the use of telehealth services through position statements. These services are especially applicable for those patients with limited access to healthcare resources, cost-efficient and can act as a supplement to face-to-face services [5]. Telehealth can be applied directly to patient care as well as indirectly for training health professionals [1]. Likewise, teleaudiology has found applications in hearing screening, diagnosis, intervention, and providing training/education to professionals [6,7].
In the global scenario, there is a lack of educated, trained, and employed health workers for the number of people in need of medical services [8]. Audiological services help to provide early hearing detection, diagnosis, and intervention for individuals with hearing loss. A lack of adequate hearing health professionals has been noted in both developed and developing countries [6]. Thus, the application of teleaudiology helps in providing the audiological services along with an added advantage of serving the under-served and enhancing follow-up services.
A systematic review of telehealth applications in audiology shed light on sparse information available on patient and clinician perception regarding acceptance and use of telehealth applications. It further emphasized that teleaudiology holds a significant promise in helping to extend audiological services and the need to carry out empirical research [7]. Bush, et al. [9] reviewed the feasibility of implementing remote telehealth for providing auditory rehabilitation for users of hearing aids and cochlear implants. A paucity of literature was noted on cost-effectiveness, infrastructure, and reimbursement for longterm sustainability of these services. Another recent systematic review included 103 papers of which 32.1% focused on hearing [10]. Further, the majority focused on assessment (36.9%) and intervention (36.9%). The majority were published in the United States of America (32%) and followed by Australia (29.1%). Most studies concluded that telehealth has an advantage over face-to-face services. The review highlighted the need among audiologists to adapt to telehealth applications. These professionals should be familiar and aware about the use of telehealth for diagnostic and therapeutic purposes as well as for professional development activities [10].
With the advances in telecommunications, Internet services, and satellite communication it is now possible to focus on further development and advancement of the teleaudiology services. This can especially be beneficial in countries with poor service seeker to provider ratio. This expansion of services can be made possible with a thorough understanding of attitudes and perceptions of audiologists towards teleaudiology. Thus, the present systematic review aimed at exploring the existing literature on attitudes and perceptions of audiologists towards the teleaudiology. Further, it intended to ascertain the sources of their existing knowledge, and barriers to the successful uptake of teleaudiology.

Materials and Methods

The present systematic review was carried out using the Preferred Reporting Items for Systematic Reviews and Metaanalyses statement (PRISMA) guidelines [11]. It provides an evidence-based minimum set of items to conduct and report systematic reviews and meta-analyses.

Search strategy for identification of studies

Two researchers (RR and DG) independently carried out a systematic search across multiple electronic databases. The four electronic databases included were; PubMed/Medline, Scopus, Web of Science, and Cochrane Library. The main search terms included were ‘audiologists,’ ‘practitioners,’ ‘telehealth,’ ‘teleaudiology,’ ‘telerehabilitation,’ ‘knowledge,’ ‘attitude,’ ‘perception,’ ‘views,’ and ‘opinions.’ Boolean operators such as ‘AND and ‘OR’ were used to create search strings for different databases. The search string used for PubMed/Medline has been attached as Appendix as an example.

Selection criteria

A systematic search was carried out across the different electronic databases to identify studies exploring opinions or knowledge towards teleaudiology application among audiologists. Only cross-sectional or survey design studies published in the English language up to May 2017 were included. The hits from all the databases were compiled using Mendeley desktop reference management system, and duplicate studies were eliminated. The titles and abstracts were screened independently by two researchers for its suitability & inclusion. A 100% agreement was noted among the authors for screening and shortlisting the articles. Full-texts of the final shortlisted articles were obtained for data extraction.

Data extraction

The data extraction was carried out using a predesigned form developed following a discussion among the authors. The form included aim, population details, study design, survey details, experience using teleaudiology, knowledge, knowledge resources, perceptions, barriers, and limitations.

Methodological quality appraisal

The methodological quality appraisal was carried out for included studies with yes/no based on six questions. The tool was developed based on standard guidelines for ‘quality assessment tool for observational cohort and cross-sectional studies’ [12].


A total of 250 hits were obtained across the four electronic databases, of which 45 were duplicates and were eliminated. Titles of 205 studies were screened of which 199 studies were excluded, as they did not suit the inclusion criteria. Only studies exploring opinions or knowledge towards teleaudiology and its application among audiologists were included. Studies on patient perceptions towards teleaudiology and use of teleaudiology in telehealth were excluded. Abstracts of six studies were screened from which four studies were found suitable. The back references of the included four studies were screened to identify any additional studies and one study was found to be suitable for inclusion. Thus, five studies were included for data extraction. Fig. 1 depicts the PRISMA flow chart for the study search and retrieval process for included studies. Table 1 displays the study characteristics such as study design, location, population, and questionnaire characteristics. Table 2 displays key data on experience and attitudes towards teleaudiology extracted from the five articles. Table 3 displays the methodological quality appraisal for the included studies.

Sources and means to increase knowledge

The most common source of knowledge of teleaudiology reported was on the job, graduate studies and continuing education through seminar/conference [13,14]. About 90% of the audiologists who already practiced teleaudiology were interested in increasing their knowledge and having additional training, while 75% of the audiologists who did not use telemode were interested in additional training to increase their knowledge. Across the respondents, the preferred means to get additional training were conferences, scientific literature, online courses, and websites [14].

Barriers to the uptake of application of teleaudiology

The review helped to ascertain barriers as reported by audiologists that restrict the application and use of teleaudiology. These included: lack of infrastructure and technology for the practitioner as well as the patient [13-15], lack of trained professionals [14,15], reimbursement issues, licensure laws, and confidentiality of patient information [4,14]. Some of the additional concerns identified were: the reliability of results [14], cost, lack of standards, need for additional training/knowledge, reduction in quality as compared to face-to-face interaction, and concern about malpractices [4].


Telehealth services have been available since the late 19th century with the first published evidence emerging around 20th century where electrocardiography data was transmitted across telephone wires [16]. The recent growth in the application of telehealth can be attributed to growing internet use. Telehealth has made possible applications both within and across national borders [17]. In terms of application in audiology, studies have been carried out to report its application in domains of hearing screening, diagnosis, intervention and continuing education programs. The use of internet has become part and parcel of day to day life which can be evidenced by the increase in access to the internet from 16% of the world population in 2005 to 47% in 2016 [18]. The use of internet and technology has made provision of medical and rehabilitative services available even in rural and remote areas where there is a lack of access to care. These advancements in technology can be noted even in the field of teleaudiology with, within and across country applications. This widespread use of teleaudiology has enabled providing precise and reliable results, thereby further increasing its application [6,7,19-21].
The present study provides a systematic review of studies on knowledge and perceptions of teleaudiology application among audiologists. It further helps to identify the knowledge sources as well as barriers to the application of teleaudiology as reported by the audiologists themselves. Five studies were shortlisted after systematically reviewing the literature available. Three of these studies were carried out on audiologists from USA, one from Canada, and one across the world. Across all the studies, a total of 1,747 audiologists were surveyed on their knowledge and perception of teleaudiology application.
The provision of teleaudiology depends on several factors such as service providers/audiologists, infrastructure, highspeed internet, cost and socio-cultural issues. The success of service delivery of such program lies to a great extent on the service providers and their role. Further, in recent years there has been an added impetus towards increasing the applicability of teleaudiology. Therefore, in this context, it becomes crucial to have an understanding of the existing knowledge and perceptions of audiologists towards teleaudiology. The review findings have been discussed in terms of sources and means to increase knowledge, perceptions towards the application of teleaudiology, barriers to uptake of application of teleaudiology.

Sources and means to increase knowledge

The most common source of knowledge of teleaudiology reported was on the job, graduate studies, and continuing education through seminar/conference [4,14]. About 90% of the audiologists who already practiced teleaudiology were interested in increasing their knowledge and having additional training, while 75% of the audiologists who did not use the telemode were interested in additional training to increase their knowledge. This contrast can be because audiologists who already use teleaudiology are acquainted with its advantages and benefits. They might also be in a better position to compare their experience with teleaudiology to face-to-face interaction with the patients. Across the respondents, the preferred means to get additional training were conferences, scientific literature, online courses, and websites [14]. These are the sources were most updated information is available and hence could be a popular choice. Additional training sessions exclusively dealing with teleaudiology might be of benefit to the audiologists to keep themselves updated with the current trends and practices.

Perceptions towards application of teleaudiology

An overall positive trend was observed in the attitudes towards telehealth, which varied across the studies. These differences in attitudes could be due to varied experience and exposure in teleaudiology. Hanson, et al. [22] carried out a longitudinal study to explore the pre- and post- telehealth attitudes among health care providers to report the changes in attitude. First-time telehealth users exhibited more positive attitudes towards telehealth, with no changes in their attitude with subsequent use. This normalization of behavior as well its effect on attitude formation is often reported in the literature [23]. This could be the possible reason for the mixed responses obtained in the present review across studies.

Barriers to the uptake of application of teleaudiology

The barriers as reported by audiologists that restrict the application and use of teleaudiology included lack of facilities/infrastructure, training, reimbursement, the reliability of results, licensure, and reduced quality when compared to faceto-face interactions. This is similar to a study by Molini-Avejonas, et al. [10] which has identified barriers such as the need for software information, the speed of internet, and technological limitations that limit the use of telehealth in speech, language, and hearing sciences. Fabry [5] has pointed out issues in reimbursement, licensure, generation, and geographical barriers for application of telehealth.

Further implications

The field of teleaudiology based services is expanding in both developed and developing countries. The present systematic review helped to identify the attitudes, and perceptions of teleaudiology applications among audiologists. Based on the findings of this review, a need was felt to have future studies further to explore the knowledge, attitudes, and perceptions of audiologists, especially from developing countries. In this age of technological advancements, the studies should also explore the attitude, uptake, and acceptance of different types of technology.
Most of the studies are concentrated on developed countries where teleaudiology has a long history. Studies across both the developed and developing countries will enable a better understanding of the scope and acceptance of teleaudiology worldwide. Studies should also explore the acceptance of telemode by not just the professionals or providers but also the seekers or patients. The existing services can be improved to reach more people only with a thorough understanding of the available infrastructure, resources, software-hardware, as well as details of the cost-factor analysis. The present review will help in better planning for introducing teleaudiology services as well as improve service delivery.


The included studies were mostly survey-based studies comprising of audiologists with and without experience with teleaudiology. The respondents were mostly from developed countries where such services have been available for several years. The heterogeneity of studies made the generalizations of results across the populations difficult. The review included studies published in the English language and studies in other languages, as well as unpublished grey literature, may have been missed.


The review sheds light on the existing knowledge and perceptions of teleaudiology applications among audiologists. Overall, positive attitudes was observed among audiologists towards applications of teleaudiology. The review also helped to identify the sources of knowledge gaps in the implementation of teleaudiology services. This will help in improving existing teleaudiology services as well as assist in overcoming some of the challenges faced.


Conflicts of interest: The authors have no financial conflicts of interest.

Fig. 1.
PRISMA flowchart outlining the steps followed in the review. *added from back references of included articles. PRISMA: Preferred Reporting Items for Systematic Reviews and Meta-analyses statement.
Table 1.
Characteristics of included studies
Study ID Location Population Study design Questionnaire details
ASHA [13] USA 842 audiologists Telephone survey Demographics, ages served, areas of practice/diagnosis, attitudes, barriers to service delivery, expanding telepractice, reimbursement, research and technology, settings, services delivered, training
Schonfeld [14] USA 422 audiologists (31 used teleaudiology, 391 not used) Postal survey Demographics, clinical experience of users and non-users of telehealth
Eikelboom & Swanepoel [15] World 269 audiologists Online survey (using LimeSurvey) Demographics, attitudes toward telehealth working arrangements, education, and use of technology
Singh, et al. [24] Canada 202 audiologists and hearing instrument specialists Online survey (using LimeSurvey) Attitudes toward teleaudiology scale for practitioners (ATS-P) 46-item survey in 4 sections; beliefs about teleaudiology affecting different clinical and professional practices, previous experience, and willingness to conduct various clinical tasks on various patient populations
Dharmar, et al. [25] USA 12 audiologists Observational Telehealth experience, overall experience with teleaudiology, importance of clinical service to be available over telehealth

ASHA: American Speech-Language-Hearing Association

Table 2.
Experience and attitude towards teleaudiology
Study ID Experience using telemode Current uses of teleaudiology Perceptions/attitudes
ASHA [13] Audiologists (12%) more likely to use telepractice compared to speech language pathologists (9%) Hearing aid/assistive technology (89%), counselling (83%), hearing disorders (79%), follow-up (68%), aural rehabilitation (50%), equipment check (47%), prevention (26%), auditory processing disorders (16%), screening (15%), treatment (14%), assessment (11%) 97% considered it as an useful tool in their practice
Mode: telephone (93%), e-mail (74%), web-based information (40%) streaming video/chat room (13%); video teleconferencing (8%)
Schonfeld [14] Previous experience: 7% - National level (74%) Main incentives to encourage the use teleaudiology:
Mode: phone (98%), e-mail (83%) letters (67%), videoconferencing (7%) - International level (10%) - Help those with minimal access to healthcare (71%)
Type: Real-time approach (77%) store and forward method (10%) - Intervention services & education/training (65-68%) - Improve quality of life (68%)
- Hearing aid/cochlear implant programming, adjustments, checks (48%) Reducing cost of audiology services (45%)
- Telehealth protocols current practices (74%) >25% of clinical practice with telehealth (77%)
Eikelboom & Swanepoel [15] Previous experience:15.6% - More comfortable using email, computer as compared to tablet and PC based video conferencing
Mode: video-conferencing (90%), smartphone (81.8%) - Less familiar for telehealth applications in audiology
Singh, et al. [24] Used for: Willingness to use for: aural rehabilitation (54%), Counselling (56%) - Increased overall quality of care in audiology (32%)
Patient communication: telephone (94.05%), e-mail (83.16%), videoconferencing (3.46%) Disinclined to use for: HA programming (47%), audiological screening (48%) - Access to audiological services: increase (41%), minimal effect (53%), decrease (6%)
Colleague communication: telephone (95%), e-mail (87%), videoconferencing (10%) Unwillingness to use for: complete 1st fit (60%), CI mapping - Quality of interaction: increase (27%), minimal (47%), decrease (26%)
- Decrease travel demands for patients
- Increase in public opinion about profession (37%)
- Earning potential of audiology clinics: increase (20%), minimal impact (71%), decrease (9%)
- Low willingness to use in very young, adolescents, older adults, and first time clients
Dharmar, et al. [25] Not reported - Patient history Ratings on 7 point rating scale:
- Visualization of external structures - Overall experience for consultation (5.9)
- Video-otoscopy - Importance of teleaudiology (6.4)
- Immittance - Quality of visual image (5.9)
- Distortion product otoacoustic emissions - Quality of audio (6.7)
- Auditory brainstem response
- Auditory steady-state response

ASHA: American Speech-Language-Hearing Association, HA: hearing aid, CI: cochlear implant

Table 3.
Quality appraisal of studies
Study ID Q1 Q2 Q3 Q4 Q5 Q6
ASHA [13] Yes No Yes Yes No No
Schonfeld [14] Yes Yes Yes Yes No No
Eikelboom & Swanepoel [15] No Yes Yes Yes No No
Singh, et al. [24] Yes Yes Yes Yes No Yes
Dharmar, et al. [25] No Yes Yes Yes No No

Q1: Was the population well defined? Q2: Was the study objective clearly specified? Q3: Were the participants selected in unbiased and random manner? Q4: Was the survey unbiased? Q5: Was the sample size justification or power analysis carried out? Q6: Was the survey pilot tested or reviewed prior to the use?


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((((audiologist) OR practitioners)) AND (((telehealth) OR teleradiology) OR telerehabilitation)) AND (((((knowledge) OR attitude) OR perception) OR views) OR opinions)


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