Dataset Information

The nature and extent of upper limb associated reactions during walking in people with acquired brain injury.

ABSTRACT: BACKGROUND:Upper limb associated reactions (ARs) are common in people with acquired brain injury (ABI). Despite this, there is no gold-standard outcome measure and no kinematic description of this movement disorder. The aim of this study was to determine the upper limb kinematic variables most frequently affected by ARs in people with ABI compared with a healthy cohort at matched walking speed intention. METHODS:A convenience sample of 36 healthy control adults (HCs) and 42 people with ABI who had upper limb ARs during walking were recruited and underwent assessment of their self-selected walking speed using the criterion-reference three dimensional motion analysis (3DMA) at Epworth Hospital, Melbourne. Shoulder flexion, abduction and rotation, elbow flexion, forearm rotation and wrist flexion were assessed. The mean angle, standard deviation (SD), peak joint angles and total joint angle range of motion (ROM) were calculated for each axis across the gait cycle. On a group level, ANCOVA was used to assess the between-group differences for each upper limb kinematic outcome variable. To quantify abnormality prevalence on an individual participant level, the percentage of ABI participants that were outside of the 95% confidence interval of the HC sample for each variable were calculated. RESULTS:There were significant between-group differences for all elbow and shoulder abduction outcome variables (p?

SUBMITTER: Kahn MB

PROVIDER: S-EPMC6935151 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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The nature and extent of upper limb associated reactions during walking in people with acquired brain injury.

Kahn Michelle B MB Clark Ross A RA Williams Gavin G Bower Kelly J KJ Banky Megan M Olver John J Mentiplay Benjamin F BF

Journal of neuroengineering and rehabilitation 20191227 1

<h4>Background</h4>Upper limb associated reactions (ARs) are common in people with acquired brain injury (ABI). Despite this, there is no gold-standard outcome measure and no kinematic description of this movement disorder. The aim of this study was to determine the upper limb kinematic variables most frequently affected by ARs in people with ABI compared with a healthy cohort at matched walking speed intention.<h4>Methods</h4>A convenience sample of 36 healthy control adults (HCs) and 42 people ...[more]

PMID: 31881975

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Project description:Background: Clinical and laboratory assessment of people with mild traumatic brain injury (mTBI) indicate impairments in eye movements. These tests are typically done in a static, seated position. Recently, the use of mobile eye-tracking systems has been proposed to quantify subtle deficits in eye movements and visual sampling during different tasks. However, the impact of mTBI on eye movements during functional tasks such as walking remains unknown. Objective: Evaluate differences in eye-tracking measures collected during gait between healthy controls (HC) and patients in the sub-acute stages of mTBI recovery and to determine if there are associations between eye-tracking measures and gait speed. Methods: Thirty-seven HC participants and 67individuals with mTBI were instructed to walk back and forth over 10-m, at a comfortable self-selected speed. A single 1-min trial was performed. Eye-tracking measures were recorded using a mobile eye-tracking system (head-mounted infra-red Tobbii Pro Glasses 2, 100 Hz, Tobii Technology Inc. VA, United States). Eye-tracking measures included saccadic (frequency, mean and peak velocity, duration and distance) and fixation measurements (frequency and duration). Gait was assessed using six inertial sensors (both feet, sternum, right wrist, lumbar vertebrae and the forehead) and gait velocity was selected as the primary outcome. General linear model was used to compare the groups and association between gait and eye-tracking outcomes were explored using partial correlations. Results: Individuals with mTBI showed significantly reduced saccade frequency (p = 0.016), duration (p = 0.028) and peak velocity (p = 0.032) compared to the HC group. No significant differences between groups were observed for the saccade distance, fixation measures and gait velocity (p > 0.05). A positive correlation was observed between saccade duration and gait velocity only for participants with mTBI (p = 0.025). Conclusion: Findings suggest impaired saccadic eye movement, but not fixations, during walking in individuals with mTBI. These findings have implications in real-world function including return to sport for athletes and return to duty for military service members. Future research should investigate whether or not saccade outcomes are influenced by the time after the trauma and rehabilitation.

Project description:BackgroundSpinal Cord Injury (SCI) or Acquired Brain Injury (ABI) leads to disability, unemployment, loss of income, decreased quality of life and increased mortality. The impact is worse in Low-and Middle-Income Countries (LMICs) due to a lack of efficient long-term rehabilitative care. This study aims to explore the feasibility and acceptability of a telerehabilitation programme in Nepal.MethodsProspective cohort feasibility study in a community setting following discharge from a specialist rehabilitation centre in Nepal. Patients with SCI or ABI who had previously accessed specialist rehabilitation were connected to a specialist Multidisciplinary Team (MDT) in the centre through a video conference system for comprehensive remote assessments and virtual individualised interventions. Data were captured on recruitment, non-participation rates, retention, acceptability (via end-of-study in-depth interviews with a subset of participants) and outcome measures including the Modified Barthel Index (MBI), Depression Anxiety Stress Scale (DASS) and EuroQol-5D (EQ-5D), completed pre- and post-programme.Results97 participants with SCI (n = 82) or ABI (n = 15) discharged from the centre during an 18-month period were approached and enrolled on the study. The telerehabilitation programme facilitated the delivery of support around multiple aspects of rehabilitation care, such as spasticity treatments and pain management. Outcome measures indicated a significant improvement in functional independence (P < .001), depression, anxiety and stress (P < .001) and quality of life (P < .001). Qualitative interviews (n = 18) revealed participants found the programme acceptable, valuing regular contact and input from MDT professionals and avoiding expensive and lengthy travel.ConclusionThis is the first study in Nepal to identify telerehabilitation as a feasible and acceptable approach to augment the provision of specialist rehabilitation. Future research is needed to assess the suitability of the programme for other conditions requiring specialist rehabilitation and determine the mechanisms underpinning improved outcomes for people with SCI or ABI.Trial registrationClinicalTrials.gov Identifier: NCT04914650.

Project description:BackgroundThe purpose of the current study was to determine the influence of upper-limb prostheses on brain activity and gross dexterity in children with congenital unilateral upper-limb reduction deficiencies (ULD) compared to typically developing children (TD).MethodsFive children with ULD (3 boys, 2 girls, 8.76?±?3.37 years of age) and five age- and sex-matched TD children (3 boys, 2 girls, 8.96?±?3.23 years of age) performed a gross manual dexterity task (Box and Block Test) while measuring brain activity (functional near-infrared spectroscopy; fNIRS).ResultsThere were no significant differences (p?=?0.948) in gross dexterity performance between the ULD group with prosthesis (7.23?±?3.37 blocks per minute) and TD group with the prosthetic simulator (7.63?±?5.61 blocks per minute). However, there was a significant (p?=?0.001) difference in Laterality Index (LI) between the ULD group with prosthesis (LI?=?-?0.2888?±?0.0205) and TD group with simulator (LI?=?0.0504?±?0.0296) showing in a significant ipsilateral control for the ULD group. Thus, the major finding of the present investigation was that children with ULD, unlike the control group, showed significant activation in the ipsilateral motor cortex on the non-preferred side using a prosthesis during a gross manual dexterity task.ConclusionsThis ipsilateral response may be a compensation strategy in which the existing cortical representations of the non-affected (preferred) side are been used by the affected (non-preferred) side to operate the prosthesis. This study is the first to report altered lateralization in children with ULD while using a prosthesis. Trial registration The clinical trial (ClinicalTrial.gov ID: NCT04110730 and unique protocol ID: IRB # 614-16-FB) was registered on October 1, 2019 ( https://clinicaltrials.gov/ct2/show/NCT04110730 ) and posted on October 1, 2019. The study start date was January 10, 2020. The first participant was enrolled on January 14, 2020, and the trial is scheduled to be completed by August 23, 2023. The trial was updated January 18, 2020 and is currently recruiting.

Project description:BACKGROUND:Brain in Hand is a smartphone application (app) that allows users to create structured diaries with problems and solutions, attach reminders, record task completion and has a symptom monitoring system. Brain in Hand was designed to support people with psychological problems, and encourage behaviour monitoring and change. The aim of this paper is to describe the process of exploring the barriers and enablers for the uptake and use of Brain in Hand in clinical practice, identify potential adaptations of the app for use with people with acquired brain injury (ABI), and determine whether the behaviour change wheel can be used as a model for engagement. METHODS:We identified stakeholders: ABI survivors and carers, National Health Service and private healthcare professionals, and engaged with them via focus groups, conference presentations, small group discussions, and through questionnaires. The results were evaluated using the behaviour change wheel and descriptive statistics of questionnaire responses. RESULTS:We engaged with 20 ABI survivors, 5 carers, 25 professionals, 41 questionnaires were completed by stakeholders. Comments made during group discussions were supported by questionnaire results. Enablers included smartphone competency (capability), personalisation of app (opportunity), and identifying perceived need (motivation). Barriers included a physical and cognitive inability to use smartphone (capability), potential cost and reliability of technology (opportunity), and no desire to use technology or change from existing strategies (motivation). The stakeholders identified potential uses and changes to the app, which were not easily mapped onto the behaviour change wheel, e.g. monitoring fatigue levels, method of logging task completion, and editing the diary on their smartphone. CONCLUSIONS:The study identified that both ABI survivors and therapists could see a use for Brain in Hand, but wanted users to be able to personalise it themselves to address individual user needs, e.g. monitoring activity levels. The behaviour change wheel is a useful tool when designing and evaluating engagement activities as it addresses most aspects of implementation, however additional categories may be needed to explore the specific features of assistive technology interventions, e.g. technical functions.

Dataset Information

The nature and extent of upper limb associated reactions during walking in people with acquired brain injury.

Publications

The nature and extent of upper limb associated reactions during walking in people with acquired brain injury.

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