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The effects of a pre-fitting intervention on hearing aid benefit:a randomized controlled trial
Linköpings universitet, Institutionen för klinisk och experimentell medicin, Teknisk audiologi. Linköpings universitet, Hälsouniversitetet.ORCID-id: 0000-0001-8743-1636
Linköpings universitet, Institutionen för beteendevetenskap och lärande, Avdelningen för klinisk och socialpsykologi (CS). Linköpings universitet, Filosofiska fakulteten.ORCID-id: 0000-0003-4753-6745
Linköpings universitet, Institutionen för klinisk och experimentell medicin. Linköpings universitet, Hälsouniversitetet.
Linköpings universitet, Institutionen för klinisk och experimentell medicin, Teknisk audiologi. Linköpings universitet, Hälsouniversitetet.
2009 (Engelska)Ingår i: Audiological Medicine, ISSN 1651-386X, E-ISSN 1651-3835, Vol. 7, nr 4, s. 211-215Artikel i tidskrift (Övrig (populärvetenskap, debatt, mm)) Published
Abstract [en]

Thirty-nine first time hearing aid users with mild to moderate hearing losses were randomly assigned to a pre-fitting intervention group (N=19) or a control group (N=20). The pre-fitting intervention consisted of three weekly visits, where the user adjusted the amplification of an experimental hearing aid to preferred settings, and wore the aid between the visits. After the pre-fitting intervention phase, both groups received conventional hearing aid fitting. Standardized questionnaires (IOI-HA, HHIE, ECHO, SADL, HADS) were administered before and after pre-fitting intervention, after conventional hearing aid fitting, and at one-year follow-up. Hearing aid success was evaluated by an independent audiologist at the one- year follow-up appointment. The pre-fitting intervention phase showed positive effects for the intervention group but not for the control group on activity limitation and participation restriction, and expectations. However, the intervention in its current version had no lasting effects beyond the control group after conventional hearing aid fitting or after a year. Furthermore, both groups showed mostly successful hearing aid fittings, improved psychosocial well-being, quality of life, and reduced participation restriction.

Ort, förlag, år, upplaga, sidor
2009. Vol. 7, nr 4, s. 211-215
Nyckelord [en]
Pre-fitting intervention, user-controlled adjustment, randomized clinical trial, independent evaluation, hearing aid benefit, hearing aid use, satisfaction, activity limitation, participation restriction, psychosocial well-being, counselling
Nationell ämneskategori
Oto-rino-laryngologi
Identifikatorer
URN: urn:nbn:se:liu:diva-12457DOI: 10.3109/16513860903309790OAI: oai:DiVA.org:liu-12457DiVA, id: diva2:147
Tillgänglig från: 2008-09-05 Skapad: 2008-09-05 Senast uppdaterad: 2019-01-15Bibliografiskt granskad
Ingår i avhandling
1. Approaches to Audiological Rehabilitation with Hearing Aids: studies on pre-fitting strategies and assessment of outcomes
Öppna denna publikation i ny flik eller fönster >>Approaches to Audiological Rehabilitation with Hearing Aids: studies on pre-fitting strategies and assessment of outcomes
2008 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
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.

Ort, förlag, år, upplaga, sidor
Linköping: Linköping University Electronic Press, 2008. s. 86
Serie
Linköping University Medical Dissertations, ISSN 0345-0082 ; 1074Studies from the Swedish Institute for Disability Research, ISSN 1650-1128 ; 27
Nationell ämneskategori
Oto-rino-laryngologi
Identifikatorer
urn:nbn:se:liu:diva-12528 (URN)978-91-7393-828-0 (ISBN)
Disputation
2008-09-19, Elsa Brändströmsalen, Universitetssjukhuset, Campus US, Linköpings Universitet, Linköping, 13:00 (Engelska)
Opponent
Handledare
Tillgänglig från: 2008-09-11 Skapad: 2008-09-11 Senast uppdaterad: 2019-01-15Bibliografiskt granskad

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Öberg, MarieAndersson, GerhardLunner, Thomas

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Teknisk audiologiHälsouniversitetetAvdelningen för klinisk och socialpsykologi (CS)Filosofiska fakultetenInstitutionen för klinisk och experimentell medicin
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