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Pablo is a new virtual reality (VR) game combined with wearable motion sensor system which can targeted intervention in an interactive environment, immediate and sensitive feedback about the user's performance, a motivating effect due to game-based feature. Unlike commercial camera systems such as Kinect or force platforms, the systems require a continuous sightline or restrict the base of support which may increase risk of falling. Few of studies had investigated the rehabilitation effects on balance with Pablo for patients with stroke. The purpose of this study is to investigate the effects of virtual reality training through Pablo system in patients with chronic stroke.
Pablo is a new virtual reality (VR) game combined with wearable motion sensor system which can targeted intervention in an interactive environment, immediate and sensitive feedback about the user's performance, a motivating effect due to game-based feature. Unlike commercial camera systems such as Kinect or force platforms, the systems require a continuous sightline or restrict the base of support which may increase risk of falling. Few of studies had investigated the rehabilitation effects on balance with Pablo for patients with stroke.
PURPOSE: The purpose of this study is to investigate the effects of virtual reality training through Pablo system in patients with chronic stroke.
METHODS: A prospective, randomized, controlled, blinded assessor design was used. Patients with stroke were recruited and randomly assigned to a "virtual reality(VR) group" (n = 20) and "functional balance training (FBT) group" (n = 20). After 18 training sessions (60 minutes per session, 2 sessions per week), outcome measures which included the Berg Balance Scale, the Timed Up and Go Test (cognition), a gait analysis, the Activities-Specific Balance Confidence scale, Stroke Impact Scale (SIS), Level of pleasure, and frequency of adverse events. The data were analyzed using nonparametric tests, and significance was indicated at α < 0.05.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| virtual reality group | Experimental | 18 sessions of standard treatment plus virtual reality treatment. |
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| standard treatment group | Active Comparator | 18 sessions of standard treatment plus balance training. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| virtual reality treatment | Behavioral | 18 virtual reality training through Pablo system (30 minutes a time, 2-3 times a week). Postural transition included sit-to-stand, sit down, reaching to different directions, stepping to different directions with weight transfer, and bending the trunk forward and side to side. The controller was attached to lower extremity or trunk to control the game, such as elevator, hot air balloon, shooting cans, etc. |
| Measure | Description | Time Frame |
|---|---|---|
| Berg Balance Scale | It is used to objectively determine a patient's ability (or inability) to safely balance during a series of predetermined tasks. It is a 14 item list with each item consisting of a five-point ordinal scale ranging from 0 to 4, with 0 indicating the lowest level of function and 4 the highest level of function and takes approximately 20 minutes to complete. | Change from Baseline to 9 weeks follow up |
| Measure | Description | Time Frame |
|---|---|---|
| Functional reach test | Functional Reach Test (FRT) is a clinical outcome measure and assessment tool for ascertaining dynamic balance in one simple task. The patient is instructed to next to, but not touching, a wall and position the arm that is closer to the wall at 90 degrees of shoulder flexion with a closed fist. The assessor records the starting position at the 3rd metacarpal head on the yardstick. Instruct the patient to "Reach as far as you can forward without taking a step." The location of the 3rd metacarpal is recorded. Scores are determined by assessing the difference between the start and end position is the reach distance, usually measured in inches. Three trials are done and the average of the last two is noted. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Hsinchieh Lee, master | Taipei Medical University, Taiwan, R.O.C. | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Taipei Medical University Shuang Ho Hospital | Taipei | Taiwan |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 18184932 | Background | Volpe BT, Lynch D, Rykman-Berland A, Ferraro M, Galgano M, Hogan N, Krebs HI. Intensive sensorimotor arm training mediated by therapist or robot improves hemiparesis in patients with chronic stroke. Neurorehabil Neural Repair. 2008 May-Jun;22(3):305-10. doi: 10.1177/1545968307311102. Epub 2008 Jan 9. | |
| 1088404 | Background |
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| ID | Term |
|---|---|
| D020521 | Stroke |
| ID | Term |
|---|---|
| D002561 | Cerebrovascular Disorders |
| D001927 | Brain Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
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|
| standard treatment | Behavioral | 18 standard rehabilitation sessions (60 minutes a time, 2-3 times a week). The rehabilitative protocol focus on strengthening, endurance training, ambulation, and ADL training that included: (1) Hip flexor and knee extensor strengthening with resistance progressing used by weight bag or Thera-band. (2) Cycle ergometer riding with increase speed and resistance. (3) Gait pattern and speed correcting through treadmill and parallel bar. (4) Hand functional training and strategy teaching for feeding, dressing, and toileting. |
|
| balance training | Behavioral | 18 balance training sessions (30 minutes a time, 2-3 times a week) (1) Facilitated the balance reaction through weight shifting exercise with standing on even surface to uneven surface, such as tilting board.(2) Postural transition included sit-to-stand, sit down, reaching to different directions, stepping to different directions with weight transfer, and bending the trunk forward and side to side. (3) Changed the standing requirement, such as single legged stance or lunge stance. (4) Increased perception complications through cognition or upper extremity task to improve dual task attention. |
|
| Change from Baseline to 9 weeks follow up |
| Time up and go-cognition | In the TUG-cog, patients were asked to complete the test while counting backward by 3 from a randomly selected number between 20 and 100. | Change from Baseline to 9 weeks follow up |
| Activities-specific Balance Confidence scale | Activities-specific balance confidence (ABC) scale is a subjective measure of confidence in performing various ambulatory activities without falling or experiencing a sense of unsteadiness. Participants estimate on a scale of 0% to 100% how confident they are that they could perform activities such as picking a slipper up off of the floor or walking on a slippery surface without losing their balance. The item scores are then summed and divided by 16 to provide an overall mean balance confidence score.Higher scores indicate higher confidence. | Change from Baseline to 9 weeks follow up |
| Stroke Impact Scale-physical domain | The stroke impact scale (SIS) is a stroke-specific health-related quality of life (HRQoL) instrument, which was developed by Duncan et al. (1999) at the University of Kansas Medical Center, to measure the consequences of stroke in multiple domains, including physical (strength, hand function, activities of daily living (ADL), instrumental ADL, and mobility), emotion, memory/thinking, communication, and social participation. Where the score is the domain score for a particular domain, the mean is the mean of the nonmissing item scores within that domain, with each item scored in the range of 1 to 5. Using this algorithm, each domain score has a range of 0 to 100. Higher score indicate the higher health-related quality of life. | Change from Baseline to 9 weeks follow up |
| Modified Physical Activity Enjoyment Scale | It is used to measure the enjoyment of physical activity. The original 18-item PACES scale was used to assess enjoyment. Respondents were asked to rate "how you feel at the moment about the physical activity you have been doing"using a 7-point bipolar rating scale. Higher PACES scores reflect greater levels of enjoyment | Every training session during 18 sessions, total sessions continued to 9 weeks |
| Adverse event times | It is used to measure adverse event times, such as dizzy, pain, fall. | Every training session during 18 sessions, total sessions continued to 9 weeks |
| Hatano S. Experience from a multicentre stroke register: a preliminary report. Bull World Health Organ. 1976;54(5):541-53. |
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| 16084807 | Background | Michael KM, Allen JK, Macko RF. Reduced ambulatory activity after stroke: the role of balance, gait, and cardiovascular fitness. Arch Phys Med Rehabil. 2005 Aug;86(8):1552-6. doi: 10.1016/j.apmr.2004.12.026. |
| Background | Lange, B., S. Flynn, and A. Rizzo, Initial usability assessment of off-the-shelf video game consoles for clinical game-based motor rehabilitation. Physical Therapy Reviews, 2009. 14(5): p. 355. |
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| 15179641 | Background | de Haart M, Geurts AC, Huidekoper SC, Fasotti L, van Limbeek J. Recovery of standing balance in postacute stroke patients: a rehabilitation cohort study. Arch Phys Med Rehabil. 2004 Jun;85(6):886-95. doi: 10.1016/j.apmr.2003.05.012. |
| 22070602 | Background | Buracchio TJ, Mattek NC, Dodge HH, Hayes TL, Pavel M, Howieson DB, Kaye JA. Executive function predicts risk of falls in older adults without balance impairment. BMC Geriatr. 2011 Nov 9;11:74. doi: 10.1186/1471-2318-11-74. |
| 24456057 | Background | Cuthbert JP, Staniszewski K, Hays K, Gerber D, Natale A, O'Dell D. Virtual reality-based therapy for the treatment of balance deficits in patients receiving inpatient rehabilitation for traumatic brain injury. Brain Inj. 2014;28(2):181-8. doi: 10.3109/02699052.2013.860475. |
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| 7814786 | Background | Powell LE, Myers AM. The Activities-specific Balance Confidence (ABC) Scale. J Gerontol A Biol Sci Med Sci. 1995 Jan;50A(1):M28-34. doi: 10.1093/gerona/50a.1.m28. |
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| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |