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the current study is a Blinded Randomised Controlled Trial investing the effectiveness of Combining Transcutaneous Vagus Nerve Stimulation with Peripheral Nerve Stimulation on Upper Limb Motor Function in People with Stroke
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| taVNS + TENS | Experimental | participate will received taVNS cominged with TENS |
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| sham-taVNS + TENS | Sham Comparator | participate will received sham-taVNS cominged with TENS |
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| taVNS + sham-TENS | Sham Comparator | participate will received taVNS cominged with sham-TENS |
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| control training group | Active Comparator | participate will receive exercise training only |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| transcutaneous auricular vagus nerve stimulation | Device | The left cymba conchae was selected as taVNS stimulation side. The taVNS was delivered by earphone-shaped stimulators for 30 minutes with the stimulation parameters as follows: 0.3-ms square pulses at 20 Hz for 30 seconds with a duty cycle of 1:1; and the intensity of the stimulation was individually adjusted according to the tolerance of participants |
| Measure | Description | Time Frame |
|---|---|---|
| Fugl-Meyer assessment of upper extremity (FMA-UE) | The FMA-UE was used to assess motor impairment. It includes 33 items assessing movement, coordination, and reflex actions of the shoulder, elbow, forearm, wrist, and hand joints of the paretic arm. Each item consists of a 3-point scale (0, 1, and 2), with a total maximum score of 66. | Baseline (A0) , 3 weeks from baseline (A1), immediately after the interventions (A2), 4 weeks follow-up (A3) and 8 weeks follow-up (A4). |
| Chinese version of brief memory and executive test (BMET) | The Chinese version of BMET will be used to assess cognitive function. It incorporates tests divided into two main categories: i) executive functioning and processing speed; and ii) orientation and memory. The initial performance of each item is converted to item score (0-2) and the total score (0-16) was used for statistical analysis, where a higher score indicates better general cognitive function. | Baseline (A0) , 3 weeks from baseline (A1), immediately after the interventions (A2), 4 weeks follow-up (A3) and 8 weeks follow-up (A4). |
| Measure | Description | Time Frame |
|---|---|---|
| Jacket test | The jacket test will be used to assess the upper limb proficiency in putting on and removing a long-sleeved jacket. The participants will be required to put on a long-sleeved coat completely, so that it was straight on their shoulders, and then to remove it completely, while maintaining a standing position. The time taken to complete the task was recorded. | Baseline (A0) , 3 weeks from baseline (A1), immediately after the interventions (A2), 4 weeks follow-up (A3) and 8 weeks follow-up (A4). |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Shamay NG, PhD | Contact | +852 27664889 | shamay.ng@polyu.edu.hk |
| Name | Affiliation | Role |
|---|---|---|
| Shamay Ng, Professor | The Hong Kong Polytechnic University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| The Hong Kong Polytechnic University | Recruiting | Kowloon | Hong Kong |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 24995317 | Background | Liu TW, Ng SS, Ng GY. Translation and initial validation of the Chinese (Cantonese) version of community integration measure for use in patients with chronic stroke. Biomed Res Int. 2014;2014:623836. doi: 10.1155/2014/623836. Epub 2014 Jun 4. | |
| 24695074 | Background | Vellone E, Savini S, Fida R, Dickson VV, Melkus GD, Carod-Artal FJ, Rocco G, Alvaro R. Psychometric evaluation of the Stroke Impact Scale 3.0. J Cardiovasc Nurs. 2015 May-Jun;30(3):229-41. doi: 10.1097/JCN.0000000000000145. |
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Data can be requested based on reasonable request
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| sham transcutaneous auricular vagus nerve stimulation | Device | The sham stimulation will be delivered with a shame model of the same device that used in the taVNS intervention. The interference of the device will display that the device is working normally while no electrical current output. |
|
| transcutaneous electrical nerve stimulation | Device | TENS will be delivered with commercial TENS machine. The stimulation parameters were as follows: continuous 0.2-ms square pulses at 100 Hz with the intensity adjusted according to the tolerance of each patient. Disposable surface electrodes of 5X5 cm2 were applied to stimulate the median nerve and the superficial radial nerve of both the affected and non-affected upper limbs. The placebo stimulation was delivered with a device that looked identical but had its internal electrical circuit disconnected. |
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| sham transcutaneous electrical nerve stimulation | Device | The sham stimulation will be administered using a device that looks identical to the TENS device used in the TENS intervention. However, the internal electrical circuit of this device will be disconnected. |
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| task-oriented training | Other | A physiotherapist supervised the intervention and monitored individual progress. The task-oriented training aims to improve the motor recovery of the upper limbs through the systematic and repetitive movement of shoulder, elbow, forearm, wrist and fingers. The task-oriented training will be conducted in seating position with a table in front. Each training task will be repeated for 10 repetitions per set with 1 minute of rest between sets.The progressions are repositioning from gravity eliminate to against position, improve movement quality, increasing number of sets and shortening rest period. |
|
| Motor Activity Log (MAL) | The motor activity log (MAL) will be used to assess the ADLs. The MAL has 30 items including object manipulation and upper limb gross activities. Each item is in both quality of movement and amount of movement on a 6-point Likert scale (0-5). The total scale ranges from 0 to 150 with higher score indicate better ADL. | Baseline (A0) , 3 weeks from baseline (A1), immediately after the interventions (A2), 4 weeks follow-up (A3) and 8 weeks follow-up (A4). |
| Capabilities of upper extremity test (CUE-T) | The CUE-T will be used to assess the upper limb function capacity. It consists of 19 unilateral and bilateral upper limb tasks. Depending on the item, scoring is based on performance of the task, the number of repetitions of the task, or time to complete the task. Raw scores are converted to a 5-point scale (0-4). Total score ranges from 0 to 120 with higher score indicate greater functional capacity. Affected side or unaffected side scores can be obtained by adding the score of the unilateral items on each side | Baseline (A0) , 3 weeks from baseline (A1), immediately after the interventions (A2), 4 weeks follow-up (A3) and 8 weeks follow-up (A4). |
| Hand grip strength | The K-Grip hand-hold dynamometer (K-Grip, kinvent biomecanique, Montpellier, France) will be used for hand grip measurement. The participants will be seated in a comfortable chair with arm support and elbow in 90° flexion. Participants will be asked to make a maximal effort for at least 5 s with verbal encouragement. There were three trials for both side and the average value will be used for statistical analysis. | Baseline (A0) , 3 weeks from baseline (A1), immediately after the interventions (A2), 4 weeks follow-up (A3) and 8 weeks follow-up (A4). |
| Pinch grip strength | The electronic Jamar pinch gauge will be used to measure the later pinch grip strength. The participants will be seated in a comfortable chair with arm support and elbow in 90° flexion. Participants will be asked to make a maximal effort for at least 5 s with verbal encouragement. There will be three trials for both side and the average value will be used for statistical analysis. | Baseline (A0) , 3 weeks from baseline (A1), immediately after the interventions (A2), 4 weeks follow-up (A3) and 8 weeks follow-up (A4). |
| Capabilities of upper extremity-questionnaire (CUE-Q) | The CUE-Q will be used to assess the self-prospective functional limitation. It consists of 32 for unilateral and bilateral upper limb use, addressing areas of reaching and lifting, pulling, and pushing, wrist actions, and hand and finger actions. The responses are given on a 5-point Likert scale representing self-perceived difficulty in performing the action. Total score ranges from 0 to 160 with higher score indicate lesser functional limitation. | Baseline (A0) , 3 weeks from baseline (A1), immediately after the interventions (A2), 4 weeks follow-up (A3) and 8 weeks follow-up (A4). |
| Stroke impact scale (SIS) | The SIS will be used to assess the quality of life. The SIS comprises 59 items covers eight domains of quality of life and an extra question on stroke recovery. Each item is rated on a 5-point Likert scale in terms of the difficulty in completing each item. The summative scores are generated for each domain, ranging from 0 to 100. | Baseline (A0) , 3 weeks from baseline (A1), immediately after the interventions (A2), 4 weeks follow-up (A3) and 8 weeks follow-up (A4). |
| Community integration measure(CIM) | The Chinese version of CIM will be used to assess individuals' perceptions of community integration. It is a 10-item questionnaire with each item rated on a 5-point Likert scale, yielding a total score that ranges from 10 to 50. Higher scores indicate a better degree of perceived community integration. | Baseline (A0) , 3 weeks from baseline (A1), immediately after the interventions (A2), 4 weeks follow-up (A3) and 8 weeks follow-up (A4). |
| 24891011 | Background | Oleson CV, Marino RJ. Responsiveness and concurrent validity of the revised capabilities of upper extremity-questionnaire (CUE-Q) in patients with acute tetraplegia. Spinal Cord. 2014 Aug;52(8):625-8. doi: 10.1038/sc.2014.77. Epub 2014 Jun 3. |
| 25297342 | Background | Marino RJ, Kern SB, Leiby B, Schmidt-Read M, Mulcahey MJ. Reliability and validity of the capabilities of upper extremity test (CUE-T) in subjects with chronic spinal cord injury. J Spinal Cord Med. 2015 Jul;38(4):498-504. doi: 10.1179/2045772314Y.0000000272. Epub 2014 Oct 9. |
| 17030751 | Background | Uswatte G, Taub E, Morris D, Light K, Thompson PA. The Motor Activity Log-28: assessing daily use of the hemiparetic arm after stroke. Neurology. 2006 Oct 10;67(7):1189-94. doi: 10.1212/01.wnl.0000238164.90657.c2. |
| 27793076 | Background | Chen P, Lai CKY, Chung RCK, Ng SSM. The Jacket Test for assessing people with chronic stroke. Disabil Rehabil. 2017 Dec;39(25):2577-2583. doi: 10.1080/09638288.2016.1236413. Epub 2016 Oct 28. |
| 11441212 | Background | Wolf SL, Catlin PA, Ellis M, Archer AL, Morgan B, Piacentino A. Assessing Wolf motor function test as outcome measure for research in patients after stroke. Stroke. 2001 Jul;32(7):1635-9. doi: 10.1161/01.str.32.7.1635. |
| 40358471 | Background | Ren L, Wong T, Lai C, Ng S. Psychometric assessment of the translated and culturally adapted Chinese (Cantonese) of the brief memory and executive test in people with stroke. Eur J Phys Rehabil Med. 2025 Jun;61(3):401-410. doi: 10.23736/S1973-9087.25.08873-2. Epub 2025 May 13. |
| 1135616 | Background | Fugl-Meyer AR, Jaasko L, Leyman I, Olsson S, Steglind S. The post-stroke hemiplegic patient. 1. a method for evaluation of physical performance. Scand J Rehabil Med. 1975;7(1):13-31. |
| ID | Term |
|---|---|
| D020521 | Stroke |
| ID | Term |
|---|---|
| D002561 | Cerebrovascular Disorders |
| D001927 | Brain Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
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| ID | Term |
|---|---|
| D004561 | Transcutaneous Electric Nerve Stimulation |
| ID | Term |
|---|---|
| D004599 | Electric Stimulation Therapy |
| D013812 | Therapeutics |
| D026741 | Physical Therapy Modalities |
| D012046 | Rehabilitation |
| D000698 | Analgesia |
| D000760 | Anesthesia and Analgesia |
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