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Development and initial validation of the “Clinical Global Impression” to measure outcomes for audiological rehabilitation
Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology . Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Reconstruction Centre, Department of ENT - Head and Neck Surgery UHL.
Östergötlands Läns Landsting, Reconstruction Centre, Department of ENT - Head and Neck Surgery UHL. (Landstinget i Östergötland)
Östergötlands Läns Landsting, Reconstruction Centre, Department of ENT - Head and Neck Surgery UHL. (Landstinget i Östergötland)
Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology . Linköping University, Faculty of Health Sciences.
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2009 (English)In: Disability and Rehabilitation, ISSN 0963-8288, E-ISSN 1464-5165, Vol. 31, no 17, 1409-1417 p.Article in journal (Refereed) Published
Abstract [en]

Purpose: The aim of this study was to develop and validate an interview instrument for assessing outcome following hearing aid fitting based on clinical global impressions.

Method: The Audiological Rehabilitation Clinical Global Impression (AR-CGI) was developed and used in a telephone interview in two separate samples. The first sample (N=69) consisted of hearing aid owners who had participated in two intervention studies and the second sample consisted of hearing aid owners receiving regular services from a hearing clinic (N=21). Following the structured telephone interview, participants were categorized into three categories: Successful, Successful with some limitations, or Unsuccessful.

Results: A vast majority were categorized as Successful (80% of the intervention sample and 71% of the clinical sample). Those categorized as successful were found to differ from those categorized as less successful in terms of age and self-reported hearing aid use, depressed mood, and residual participation restriction, but they did not differ in terms of degree of hearing loss.

Conclusion: It is suggested that the brevity and usefulness of the AR-CGI makes it a potential tool for further use in audiological settings.

Place, publisher, year, edition, pages
2009. Vol. 31, no 17, 1409-1417 p.
Keyword [en]
Validation, clinical global impression, telephone interview, audiological rehabilitation
National Category
Otorhinolaryngology
Identifiers
URN: urn:nbn:se:liu:diva-12527DOI: 10.1080/09638280802621408OAI: oai:DiVA.org:liu-12527DiVA: diva2:403
Available from: 2008-09-11 Created: 2008-09-11 Last updated: 2017-12-11
In thesis
1. Approaches to Audiological Rehabilitation with Hearing Aids: studies on pre-fitting strategies and assessment of outcomes
Open this publication in new window or tab >>Approaches to Audiological Rehabilitation with Hearing Aids: studies on pre-fitting strategies and assessment of outcomes
2008 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Fourteen percent of the Swedish population report subjective hearing loss. The number of persons suffering from hearing loss is expected to increase in accordance with the increased length of the average life span, causing an associated increase in the demand for hearing health care services as new patient groups who expect a higher quality of life begin to request hearing care. The main goal of this thesis was to develop new approaches in audiological rehabilitation to meet these demands and achieve user satisfaction.

Two randomized controlled trials including 39 and 38 subjects, respectively were performed that evaluated two interventions, user-controlled adjustment and sound awareness training, which were performed prior to a hearing aid fitting. The new approaches focused on increasing user participation and activity. To evaluate the goals of audiological rehabilitation, e.g., reducing auditory impairment, optimizing auditory activities and minimizing participation restrictions, several standardized self-reporting instruments were used to assess activity limitations, participation restriction, satisfaction and psychosocial well-being. Several of the instruments were validated for a Swedish population in a postal survey including 162 subjects. Furthermore, an interview instrument that was appropriate for telephone interviews and a categorization rating scale were developed for assessing the global clinical impression of the audiological rehabilitation.

Few significant differences in outcomes were found between the treatment and control groups in the short term, and the interventions did not achieve additional or more successful hearing aid users in the long term. Thus, it was concluded that the hearing aid rehabilitation was effective in and of itself, as both the treatment and control groups showed significant improvements in psychosocial well-being and reduced activity limitation and participation restriction. The self-report instruments were found to be valid, and a factor analysis indicated that the number of questionnaires could be reduced with a recommendation for further clinical use. The telephone interviews evaluating the clinical global impression of the audiological rehabilitation were found to be effective and showed success in a vast majority of the users. Advantages such as simpler administration and less time consumption warrant their continued use in additional audiological settings.

The pre-interventions in these studies need to be further investigated before they could be recommended for clinical use also in a Swedish context. The international standardized self reports, however, can already be recommended for clinical use. A first attempt to evaluate global clinical impression by telephone interviews was found to be effective and further validations are suggested.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2008. 86 p.
Series
Linköping University Medical Dissertations, ISSN 0345-0082 ; 1074Studies from the Swedish Institute for Disability Research, ISSN 1650-1128 ; 27
National Category
Otorhinolaryngology
Identifiers
urn:nbn:se:liu:diva-12528 (URN)978-91-7393-828-0 (ISBN)
Public defence
2008-09-19, Elsa Brändströmsalen, Universitetssjukhuset, Campus US, Linköpings Universitet, Linköping, 13:00 (English)
Opponent
Supervisors
Available from: 2008-09-11 Created: 2008-09-11 Last updated: 2014-11-28Bibliographically approved

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Öberg, MarieLunner, ThomasAndersson, Gerhard

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Technical Audiology Faculty of Health SciencesDepartment of ENT - Head and Neck Surgery UHLClinical and Social PsychologyFaculty of Arts and Sciences
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Disability and Rehabilitation
Otorhinolaryngology

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