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The purpose of this study is to determine the treatment effects of sequential combination of aerobic exercise and cognitive training on cognitive function, physiological markers, daily function, physical function, social participation and quality of life in stroke patients with cognitive decline.
Cognitive decline after stroke is a common sequela and is highly associated with functional disability. Empirical evidence shows that exercise combined cognitive training may induce neuroplastic changes that modulate cognitive function. However, evidence about the effects of combined exercise-cognitive trainings on physiological biomarkers, cognitive and physical functions in stroke patients with cognitive decline is still less. The present study aim to investigate the effects of sequential combination of exercise-cognitive trainings on cognitive, physical, and daily function. In addition, the physiological mechanism of the combination training on cognitive function by several biomarkers including the brain-derived neurotrophic factor (BDNF), antioxidative marker, HbA1c, and plasma lipid level will be investigated. This study is a single-blind randomized controlled trial. Participants will be randomly assigned to SEQ group in which sequentially perform physical exercise and cognitive training or to CI group of control intervention.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| sequential training group (SEQ) | Experimental | The sequential training group (SEQ) will first receive 30-minutes aerobic exercise training followed by 30-minutes computerized cognitive training. All participants will receive a training session for 60 minutes per day, three days per week for 12 weeks, a total of 36 training sessions. Before and after the treatment, a total of 2 evaluations were conducted, including clinical assessments and blood test (each 18c.c.). A saliva sample (2 mL) will only be collected once from each subject. A follow-up assessment of clinical outcomes will be conducted at six month after the end of the course of treatment. |
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| control intervention group (CI) | Active Comparator | The control intervention group (CI) will receive a control training session for 60 minutes per day, three days per week for 12 weeks, a total of 36 training sessions. Before and after the treatment, a total of 2 evaluations were conducted, including clinical assessments and blood test (each 18c.c.). A saliva sample (2 mL) will only be collected once from each subject. A follow-up assessment of clinical outcomes will be conducted at six month after the end of the course of treatment. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| aerobic exercise training | Behavioral | The aerobic exercise program using progressive resistive stationary bicycle training which will contain warm-up, resistive physical exercise, and cool-down. The training resistance will increase with improvement of participants' performance. |
| Measure | Description | Time Frame |
|---|---|---|
| Change scores of Montreal Cognitive Assessment (MoCA) | The MoCA will be used to assess general cognitive functions. It examines several cognitive domains with a total score of 30 | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of Wechsler Memory Scale - Third Edition (WMS-III) | The WMS-III is a standardized and reliable neuropsychological examination tool designed to evaluate visuospatial and memory functions | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of Wechsler Adult Intelligence Scale - Third Edition (WAIS-III) | The WAIS-III is developed to measure an individual's intelligence level. It includes tests that evaluate cognitive functions in verbal comprehension, working memory, perceptual organization, and processing speed | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of Useful Field of View (UFOV) | The UFOV assessment is a computer-based visual test containing three subtests: visuomotor processing speed, divided attention, and selective attention. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of Stroop Color-Word test | The Stroop Color-Word assesses the abilities of selective attention, inhibition and executive function. The participants will be tested under congruent and incongruent conditions. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of Dual-task test |
| Measure | Description | Time Frame |
|---|---|---|
| Change scores of serum BDNF level | Up-regulation of neurotrophic and vascular growth factors | Baseline, posttest (an expected average of 3 months) |
| Change scores of Antioxidative marker | Antioxidative markers will be used to reflect the changes on oxidative stress. In particular, we will be analyzing the total antioxidant capacity (TAC). |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Ching-Yi Wu, ScD | Chang Gung University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Chiayi Chang Gung Memorial Hospital | Chiayi City | 613 | Taiwan | |||
| Kaohsiung Chang Gung Memorial Hospital |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 30639273 | Derived | Yeh TT, Chang KC, Wu CY. The Active Ingredient of Cognitive Restoration: A Multicenter Randomized Controlled Trial of Sequential Combination of Aerobic Exercise and Computer-Based Cognitive Training in Stroke Survivors With Cognitive Decline. Arch Phys Med Rehabil. 2019 May;100(5):821-827. doi: 10.1016/j.apmr.2018.12.020. Epub 2019 Jan 9. |
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| control training | Behavioral | The control training program will receive 30 minutes non-aerobic exercise training, including stretching muscle skills, joint mobility exercises; in addition to one 30-minute session of unstructured mental activities, such as reading books or reading educational films. |
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| cognitive training | Behavioral | The computerized cognitive training program will be implemented with the brainHQ to target abilities of visuospatial processing, attention, memory, and executive function. The level of the training program will become more difficult with progress in participants' targeted cognitive abilities. |
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The dual-task test evaluates the ability to shift attention between one task and another. Participants will perform the box and block test (BBT) while doing secondary cognitive tasks while sitting. Participants will perform BBT by affected and less affected hand. |
| Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Baseline, posttest (an expected average of 3 months) |
| Change scores of Glucose indicator | HbA1C level will be tested to investigate the relationships between blood glucose level and aerobic exercise | Baseline, posttest (an expected average of 3 months) |
| Change scores of Plasma lipid level | The cholesterol ratio (total cholesterol divided by high-density lipid) will be evaluated to reflect the lipid level in the blood. | Baseline, posttest (an expected average of 3 months) |
| Change scores of Functional Independence Measure (FIM) | The FIM assesses the dependence level of individuals with stroke to perform 18 activities (13 motor and five cognitive tasks) in daily living. The score ranges from 18 to 126 and higher scores demonstrate greater independent participation in daily activities. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of Lawton Instrumental Activities of Daily Living Scale (Lawton IADL) | The Lawton IADL scale assesses independent living skills, such as shopping or managing finances. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of Stroke Impact Scale (SIS) | The SIS 3.0 will be used to evaluate health-related quality of life for patients with stroke. The SIS assesses eight domains (strength, hand function, ADL/IADL, mobility, communication, emotion, memory and thinking, and participation/role function) with 59 test items. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of Caregiver Burden (CB) scale | CB scale evaluates the burden of the primary caregiver of the participants. Lessening the burden of caregivers after the intervention may significantly improve the quality of life for patients with stroke and their family. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of EuroQol (EQ)-5D questionnaire | The quality of life will be assessed by the EQ-5D questionnaire which comprises the following five dimensions: mobility, self-care, usual activities, pain/discomfort and anxiety/depression. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of Timed up and go test (TUG) | The TUG assesses the dynamic balance ability and mobility. The participants will be required to stand up from a chair, walk 3 meters, turn around, walk back to the chair, and sit down. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of Six-minute walk test (6MWT) | The 6MWT measures the maximum distance walked over 6 minutes, which assess the endurance and mobility level of the participants. The participants could rest as needed during the course of the test. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of Mobility level | Accelerometers will be used to provide an objective measure of the amount of arm movements in real-life situations. The participants will be asked to wear an Actigraphy activity monitor. | Baseline, posttest (an expected average of 3 months) |
| Change scores of International Physical Activity Questionnaires (IPAQ) | The IPAQ is an international measure of health-related physical activity. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of Fugl-Meyer Assessment (FMA) | The UE-FMA subscale will be used to assess the sensorimotor impairment level of UE in patients after stroke. The UE-FMA contains 33 movements with a score range from 0 to 66. A higher UE-FMA score indicates less impairment of the paretic limb. The validity and reliability of FMA is good to excellent. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of Rivermead Mobility Index (RMI) | The RMI evaluates the participant's bed mobility, postural transfers and walking ability. It contains a 15-item scale which includes 14 questions and one direct observation, with a total of score of 15. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of muscle strength | Accelerometers will be used to provide an objective measure of the amount of arm movements in real-life situations. The participants will be asked to wear an Actigraphy activity monitor. We will evaluate isometric knee flexors and extensors muscle strength using handheld dynamometer. Also, we will use hand dynamometer to measure grip strength of the affected and less affected hand while the participant is seated, with the elbow at 90-degree flexion. We will record the mean value of 3 attempts. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of Community Integration Questionnaire (CIQ) | The CIQ measures items relevant to home integration, social integration, and productive activities. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of Geriatric Depression Scale (GDS) | The Chinese version of short form GDS will be used. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Genotyping of the BDNF val66met polymorphism | Up-regulation of neurotrophic and vascular growth factors | Once during the intervention(an expected average of 3 months) |
| Change scores of Actigraphy | In addition to MAL, the ActiGraph GX3 accelerometers (ActiGraph, Shalimar, FL, USA) will be used to quantitatively assess the amount of arm use in the participants' home settings.The actigraphy will be placed on bilateral wrist for 3 consecutive days before and after the 1-month intervention. The participants will carry the actigraphy all day except for activities that involve water, such as swimming or bathing. Using the actigraphy, investigators will be able to record and calculate the number of hand movements per minute, and the data will be analyzed with the MAHUFFE software (http://www.mrc-epid.cam.ac.uk/). The actigraphy has often been used to evaluate arm use in patients with stroke. | Baseline, posttest (an expected average of 3 months) |
| Change scores of Mini-Mental State Exam (MMSE) | The Mini-Mental State Examination (MMSE) is the most commonly administered psychometric screening assessment of cognitive functioning. The MMSE is used to screen patients for cognitive impairment, track changes in cognitive functioning over time, and often to assess the effects of therapeutic agents on cognitive function. The total score of MMSE ranged from 0 to 30. Higher values represent a better cognitive functioning. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of Medical Research Council scale (MRC) | The MRC is an ordinal scale that assesses muscle strength. The scoring for each muscle ranges from 0 to 5, with a higher score indicates stronger muscle. The reliability of MRC for all muscle groups was good to excellent in patients with stroke. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Change scores of National Institutes of Health Stroke Scale | The National Institutes of Health Stroke Scale, or NIH Stroke Scale (NIHSS) is a tool used by healthcare providers to objectively quantify the impairment caused by a stroke. The NIHSS is composed of 11 items, each of which scores a specific ability between a 0 and 4. For each item, a score of 0 typically indicates normal function in that specific ability, while a higher score is indicative of some level of impairment. The individual scores from each item are summed in order to calculate a patient's total NIHSS score. The maximum possible score is 42, with the minimum score being a 0. | Baseline, posttest (an expected average of 3 months), follow-up (up to 9 months) |
| Kaohsiung City |
| 83301 |
| Taiwan |
| Keeling Chang Gung Memorial Hospital | Keelung | 204 | Taiwan |
| Taipei Chang Gung Memorial Hospital | Taipei | 105 | Taiwan |
| Chang Gung Memorial Hospital | Taoyuan | 333 | Taiwan |
| Taoyuan Chang Gung Memorial Hospital | Taoyuan City | 333 | Taiwan |
| ID | Term |
|---|---|
| D000091942 | Cognitive Training |
| ID | Term |
|---|---|
| D000066530 | Neurological Rehabilitation |
| D012046 | Rehabilitation |
| D000359 | Aftercare |
| D003266 | Continuity of Patient Care |
| D005791 | Patient Care |
| D013812 | Therapeutics |
| D006296 | Health Services |
| D005159 | Health Care Facilities Workforce and Services |
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