Physiotherapy - Research Publications

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    Robotics to enable older adults to remain living at home.
    Pearce, AJ ; Adair, B ; Miller, K ; Ozanne, E ; Said, C ; Santamaria, N ; Morris, ME (Hindawi Limited, 2012)
    Given the rapidly ageing population, interest is growing in robots to enable older people to remain living at home. We conducted a systematic review and critical evaluation of the scientific literature, from 1990 to the present, on the use of robots in aged care. The key research questions were as follows: (1) what is the range of robotic devices available to enable older people to remain mobile, independent, and safe? and, (2) what is the evidence demonstrating that robotic devices are effective in enabling independent living in community dwelling older people? Following database searches for relevant literature an initial yield of 161 articles was obtained. Titles and abstracts of articles were then reviewed by 2 independent people to determine suitability for inclusion. Forty-two articles met the criteria for question 1. Of these, 4 articles met the criteria for question 2. Results showed that robotics is currently available to assist older healthy people and people with disabilities to remain independent and to monitor their safety and social connectedness. Most studies were conducted in laboratories and hospital clinics. Currently limited evidence demonstrates that robots can be used to enable people to remain living at home, although this is an emerging smart technology that is rapidly evolving.
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    Enhancing physical activity in older adults receiving hospital based rehabilitation: a phase II feasibility study
    Said, CM ; Morris, ME ; Woodward, M ; Churilov, L ; Bernhardt, J (BMC, 2012-06-08)
    BACKGROUND: Older adults receiving inpatient rehabilitation have low activity levels and poor mobility outcomes. Increased physical activity may improve mobility. The objective of this Phase II study was to evaluate the feasibility of a randomized controlled trial (RCT) of enhanced physical activity in older adults receiving rehabilitation. METHODS: Patients admitted to aged care rehabilitation with reduced mobility were randomized to receive usual care or usual care plus additional physical activity, which was delivered by a physiotherapist or physiotherapy assistant. The feasibility and safety of the proposed RCT protocol was evaluated. The primary clinical outcome was mobility, which was assessed on hospital admission and discharge by an assessor blinded to group assignment. To determine the most appropriate measure of mobility, three measures were trialled; the Timed Up and Go, the Elderly Mobility Scale and the de Morton Mobility Index. RESULTS: The protocol was feasible. Thirty-four percent of people admitted to the ward were recruited, with 47 participants randomised to a control (n = 25) or intervention group (n = 22). The rates of adverse events (death, falls and readmission to an acute service) did not differ between the groups. Usual care therapists remained blind to group allocation, with no change in usual practice. Physical activity targets were met on weekdays but not weekends and the intervention was acceptable to participants. The de Morton Mobility Index was the most appropriate measure of mobility. CONCLUSIONS: The proposed RCT of enhanced physical activity in older adults receiving rehabilitation was feasible. A larger multi-centre RCT to establish whether this intervention is cost effective and improves mobility is warranted. TRIAL REGISTRATION: The trial was registered with the ANZTCR (ACTRN12608000427370).
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    People With Stroke Who Fail an Obstacle Crossing Task Have a Higher Incidence of Falls and Utilize Different Gait Patterns Compared With People Who Pass the Task
    Said, CM ; Galea, MP ; Lythgo, N (OXFORD UNIV PRESS INC, 2013-03)
    BACKGROUND: Obstacle crossing is impaired in people following stroke. It is not known whether people with stroke who fail an obstacle crossing task have more falls or whether the gait adjustments used to cross an obstacle differ from those used by people who pass the task. OBJECTIVE: The purposes of this study were (1) to identify whether a group of people with stroke who failed an obstacle crossing task had a greater incidence of falling and (2) to determine whether people who fail an obstacle crossing task utilize different gait adjustments. DESIGN: This was a prospective, observational study. METHODS: Thirty-two participants with a recent stroke were recruited. Participants walked at self-selected speed and stepped over a 4-cm-high obstacle. Performance was rated as pass or fail, and spatiotemporal, center of mass (COM), and center of pressure (COP) data were collected. Prospective falls data were recorded for 20 participants over a 6-month period. RESULTS: The incidence of fallers was significantly higher (incidence rate=0.833) in the group that failed the obstacle crossing task than in the group that passed the task (incidence rate=0.143). The group that failed the task had a slower walking speed and greater normalized separation between the trail heel (unaffected support limb) and COM as the affected lead toe cleared the obstacle. This group exhibited greater normalized times from affected lead toe clearance to landing, unaffected trail toe clearance to landing, and affected trail toe-off to toe clearance. LIMITATIONS: The sample size was small, and falls data were available for only 20 participants. CONCLUSIONS: Obstacle crossing is an important task to consider in people following stroke and may be useful in identifying those at risk of falls.
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    Effects of a Multifactorial Falls Prevention Program for People With Stroke Returning Home After Rehabilitation: A Randomized Controlled Trial
    Batchelor, FA ; Hill, KD ; Mackintosh, SF ; Said, CM ; Whitehead, CH (W B SAUNDERS CO-ELSEVIER INC, 2012-09)
    OBJECTIVES: To determine whether a multifactorial falls prevention program reduces falls in people with stroke at risk of recurrent falls and whether this program leads to improvements in gait, balance, strength, and fall-related efficacy. DESIGN: A single blind, multicenter, randomized controlled trial with 12-month follow-up. SETTING: Participants were recruited after discharge from rehabilitation and followed up in the community. PARTICIPANTS: Participants (N=156) were people with stroke at risk of recurrent falls being discharged home from rehabilitation. INTERVENTIONS: Tailored multifactorial falls prevention program and usual care (n=71) or control (usual care, n=85). MAIN OUTCOME MEASURES: Primary outcomes were rate of falls and proportion of fallers. Secondary outcomes included injurious falls, falls risk, participation, activity, leg strength, gait speed, balance, and falls efficacy. RESULTS: There was no significant difference in fall rate (intervention: 1.89 falls/person-year, control: 1.76 falls/person-year, incidence rate ratio=1.10, P=.74) or the proportion of fallers between the groups (risk ratio=.83, 95% confidence interval=.60-1.14). There was no significant difference in injurious fall rate (intervention: .74 injurious falls/person-year, control: .49 injurious falls/person-year, incidence rate ratio=1.57, P=.25), and there were no significant differences between groups on any other secondary outcome. CONCLUSIONS: This multifactorial falls prevention program was not effective in reducing falls in people with stroke who are at risk of falls nor was it more effective than usual care in improving gait, balance, and strength in people with stroke. Further research is required to identify effective interventions for this high-risk group.
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    People with stroke who fail an obstacle crossing task have a higher incidence of falls and utilise different gait patterns compared with people who pass the task
    Said, Catherine M. ; Galea, Mary P. ; LYTHGO, NOEL (American Physical Therapy Association, 2013)
    Background: Obstacle crossing is impaired following stroke. It is not known whether people with stroke who fail an obstacle crossing task have more falls, or whether the gait adjustments used to cross an obstacle differ from those used by people who pass the task. Objective: To identify whether a group of people with stroke who failed an obstacle crossing task had a greater incidence of falling, and to determine whether people who fail an obstacle crossing task utilise different gait adjustments. Design: This study was a prospective observational study. Methods: Thirty-two participants with a recent stroke were recruited. Participants walked at self-selected speed and stepped over a 4-cm high obstacle. Performance was rated as pass or fail, and spatiotemporal, centre of mass (COM) and centre of pressure (COP) data were collected. Prospective falls data were recorded for 20 participants over a six month period. Results: The incidence of fallers in the group that failed the obstacle crossing task was significantly higher (IR =.833) than the group that passed (IR = .143; p = .007). The group that failed had a slower walking speed and greater normalised separation between the trail heel (unaffected support limb) and COM as the affected lead toe cleared the obstacle. This group exhibited greater normalised times from affected lead toe clearance to landing, unaffected trail toe clearance to landing and affected trail toe off to toe clearance. Limitations: Sample size was small, and falls data were only available for 20 participants. Conclusions: Obstacle crossing is an important task to consider following stroke and may be useful in identifying those at risk of falls.