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Benefits and use of myoelectric arm prostheses: outcomes, influencing factors and experiences
Örebro University, School of Health Sciences.ORCID iD: 0000-0001-7283-1004
2021 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

People with acquired upper limb loss or congenital limb reduction deficiency are often offered a myoelectric prosthesis to compensate for the missing hand. A common problem is the non-use of prostheses, and lack of training has been suggested as a reason for this. Today, myoelectric prosthetic hands are available with multiple grips to benefit the users, but these benefits have yet to be confirmed in daily activities. 

The overall aim of this thesis was to gather empirical evidence about the benefits and use of myoelectric arm prostheses, by investigating and describing the environmental factors influencing prosthesis use, describing a training method for the use of multi-grip prostheses and evaluating the effect of multigrip hands in daily activities. The users’ experience of environmental influences on prosthesis use were investigated in a survey (study I) and an interview study (study II). A scoping review of training methods for the use of multi-grip prostheses (study III) showed that training instructions are few and none were described in detail. Therefore, a new method for training, STAIR, was developed and described (study IV). This method was used when we investigated the benefits of multi-grip hands in a clinical trial (study V). We found that, after a period of structured training, users found the multi-grip prostheses beneficial for performing their daily activities and reducing their pain-related disability, and they reported an increase in prosthesis wearing time. 

In conclusion, prosthesis users experience most environmental barriers from the physical environment and from the prosthesis itself. Positive environmental factors, such as training and support from health care professionals, facilitate their adaptation to the prosthesis. When a prosthesis feels like a part of the user, the negative impact from the surrounding environment decreases. With a structured training method, it is possible to learn how to operate a multi-grip prosthesis and use it in daily activities. 

Place, publisher, year, edition, pages
Örebro: Örebro University , 2021. , p. 88
Series
Örebro Studies in Medicine, ISSN 1652-4063 ; 241
Keywords [en]
upper limb, amputation, artificial limbs, rehabilitation, occupational therapy, environment, qualitative methods
National Category
Other Health Sciences
Identifiers
URN: urn:nbn:se:oru:diva-90692ISBN: 978-91-7529-391-2 (print)OAI: oai:DiVA.org:oru-90692DiVA, id: diva2:1539440
Public defence
2021-06-18, Örebro universitet, Campus USÖ, hörsal C3, Södra Grev Rosengatan 32, Örebro, 09:00 (Swedish)
Opponent
Supervisors
Available from: 2021-03-24 Created: 2021-03-24 Last updated: 2023-12-29Bibliographically approved
List of papers
1. Environmental barriers to participation and facilitators for use of three types of assistive technology devices
Open this publication in new window or tab >>Environmental barriers to participation and facilitators for use of three types of assistive technology devices
2019 (English)In: Assistive technology, ISSN 1040-0435, E-ISSN 1949-3614, Vol. 31, no 2, p. 68-76Article in journal (Refereed) Published
Abstract [en]

The aim was to compare the presence of environmental barriers to participation and facilitators for assistive technology (AT) use and study the relation between barriers and AT use in three different AT devices. A cross-sectional survey was conducted. Inclusion criteria were ?one year of experience as a user of myoelectric prosthesis (MEP), powered mobility device (PMD), or assistive technology for cognition (ATC) and age 20-90 years. Overall, 156 participants answered the Swedish version of the Craig Hospital Inventory of Environmental Factors and a study-specific questionnaire on facilitating factors. Non-parametric tests were used for comparisons. Barriers to participation were lowest in MEP users (md = 0.12; p < 0.001), and highest in ATC users (md = 1.56; p < 0.001) with the least support for AT use (p < 0.001 - p = 0.048). A positive correlation between fewer barriers and higher use of MEP was seen (r = 0.30, p = 0.038). The greatest barriers to participation were Natural environment, Surroundings and Information, and the most support came from Relatives and Professionals. Support, training and education are vital in the use of AT. These factors may lead to a more sustained and prolonged use of AT and may enable increased participation. Future research should focus on interventions that meet the needs of people with cognitive disabilities.

Place, publisher, year, edition, pages
Taylor & Francis, 2019
Keywords
Electronic aids to daily living, information technology and telecommunications, prosthetics, service delivery, wheelchair transportation, wheeled mobility aids
National Category
Nursing Other Health Sciences
Identifiers
urn:nbn:se:oru:diva-61735 (URN)10.1080/10400435.2017.1363828 (DOI)000458565800002 ()28783455 (PubMedID)2-s2.0-85029455687 (Scopus ID)
Note

Funding Agency:

Research Committee of Örebro County Council, Sweden  OLL-590701  OLL-615061  OLL-642141  OLL-685701

Available from: 2017-11-06 Created: 2017-11-06 Last updated: 2022-02-08Bibliographically approved
2. The influence of environment: experiences of users of myoelectric arm prosthesis - a qualitative study
Open this publication in new window or tab >>The influence of environment: experiences of users of myoelectric arm prosthesis - a qualitative study
2018 (English)In: Prosthetics and Orthotics International, ISSN 0309-3646, E-ISSN 1746-1553, Vol. 42, no 1, p. 28-36Article in journal (Refereed) Published
Abstract [en]

Background: Prostheses are used to varying degrees; however, little is known about how environmental aspects influence this use.

Objectives: To describe users" experiences of how environmental factors influence their use of a myoelectric arm prosthesis.

Study design: Qualitative and descriptive.

Methods: A total of 13 patients previously provided with a myoelectric prosthetic hand participated. Their age, sex, deficiency level, etiology, current prosthesis use, and experience varied. Semi-structured interviews were audiotaped, transcribed, and analyzed through inductive content analysis.

Results: Four categories were created from the data: "Prosthesis function," "Other people's attitudes," "Support from family and healthcare," and "Individual's attitude and strategies." The overarching theme, "Various degrees of embodiment lead to different experiences of environmental barriers and facilitators," emerged from differences in individual responses depending on whether the individual was a daily or a non-daily prosthesis user. Environmental facilitators such as support from family and healthcare and good function and fit of the prosthesis seemed to help the embodiment of the prosthesis, leading to daily use. This embodiment seemed to reduce the influence of environmental barriers, for example, climate, attitudes, and technical shortcomings.

Conclusion: Embodiment of prostheses seems to reduce the impact of environmental barriers. Support and training may facilitate the embodiment of myoelectric prosthesis use.

Clinical relevance: For successful prosthetic rehabilitation, environmental factors such as support and information to the patient and their social network about the benefits of prosthesis use are important. Local access to training in myoelectric control gives more people the opportunity to adapt to prosthesis use and experience less environmental barriers.

Place, publisher, year, edition, pages
Sage Publications, 2018
Keywords
Upper limb prosthetics; prosthetics; rehabilitation of prostheses users; rehabilitation; qualitative methods; rehabilitation; environment; amputation; upper extremity deformities; congenital
National Category
Orthopaedics
Identifiers
urn:nbn:se:oru:diva-59041 (URN)10.1177/0309364617704801 (DOI)000424669100005 ()28470129 (PubMedID)2-s2.0-85041848843 (Scopus ID)
Note

Funding Agencies:

Uppsala-Örebro Regional Research Council  

Research committee of Örebro County Council, Sweden 

Available from: 2017-08-02 Created: 2017-08-02 Last updated: 2022-02-08Bibliographically approved
3. Training for users of myoelectric multi-grip hand prostheses: a scoping review
Open this publication in new window or tab >>Training for users of myoelectric multi-grip hand prostheses: a scoping review
(English)Manuscript (preprint) (Other academic)
National Category
Other Health Sciences
Identifiers
urn:nbn:se:oru:diva-91939 (URN)
Available from: 2021-05-26 Created: 2021-05-26 Last updated: 2023-12-29Bibliographically approved
4. Stepwise Training for Users of Multi-grip Prosthetic Hands: An Occupational Therapy Method
Open this publication in new window or tab >>Stepwise Training for Users of Multi-grip Prosthetic Hands: An Occupational Therapy Method
(English)Manuscript (preprint) (Other academic)
National Category
Other Health Sciences
Identifiers
urn:nbn:se:oru:diva-91940 (URN)
Available from: 2021-05-26 Created: 2021-05-26 Last updated: 2023-12-29Bibliographically approved
5. Multi-grip prosthetic hands have positive effects on users’ daily activities, pain and prosthesis use compared to single-grip myoelectric prostheses: a multiple baseline single-case study
Open this publication in new window or tab >>Multi-grip prosthetic hands have positive effects on users’ daily activities, pain and prosthesis use compared to single-grip myoelectric prostheses: a multiple baseline single-case study
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(English)Manuscript (preprint) (Other academic)
National Category
Other Health Sciences
Identifiers
urn:nbn:se:oru:diva-91942 (URN)
Available from: 2021-05-26 Created: 2021-05-26 Last updated: 2023-12-29Bibliographically approved

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