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| Name | Class |
|---|---|
| Wonkwang University | OTHER |
| National Rehabilitation Center, Seoul, Korea | OTHER_GOV |
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This is a multicenter, randomized, sham-controlled, patient- and assessor-blinded, and parallel trial to explore the effectiveness and safety of electroacupuncture (EA) therapy, compared with sham EA, for poststroke shoulder pain.
This study is aimed at showing the effectiveness and safety of electroacupuncture therapy for the stroke survivors with shoulder pain. 60 stroke survivors with shoulder pain will be enrolled in two traditional Korean medicine hospitals and randomly divided into either of verum or sham electroacupuncture group with 1:1 of allocation ratio. The participants will receive 9 sessions of electroacupuncture procedures for 3 weeks. Patients and outcome assessors will be blinded from the beginning to the study completion. Visual analogue scale will be primarily evaluated, and pain rating scale, Fugl-Meyer assessment upper extremity, modified Ashworth scale, manual muscle test, passive range of motion, Korean version of modified Barthel index, and Korean version of Beck depression inventory will be measured, too. Blinding index will be assessed. For safety, adverse events will be collected.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| verum electroacupuncture | Experimental |
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| sham electroacupuncture | Sham Comparator |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| electroacupuncture | Device | All the patients in verum electroacupuncture group will receive acupuncture on the six adjacent acupoints (LI4, LI15, TE14, SI9, SI11, and GB21) in unilateral side. Acupuncture needles (stainless steel, 0.25 mm × 40 mm, Dong Bang Acupuncture Inc., Republic of Korea) will be inserted 10-15 mm in depth and de qi sensation will be elicited. Park sham guide tubes will be used in verum group, too. Low frequency stimulate (STN-111, Stratek, Republic of Korea) will be connected to the tips of needles to provide electrical stimulation at middle frequency (30 Hz). Needles with electrical stimulation will be retained for 20 minutes. Patients should take this procedure 3 times a week for 3 weeks (9 sessions in total). |
| Measure | Description | Time Frame |
|---|---|---|
| Mean difference of visual analogue scale (VAS) between baseline and endpoint | VAS is a patient-rated outcome with a 10-cm line representing 'not painful at all' for zero and 'most painful' for ten. Patient marks x on the line by oneself, based on how intense he/she thinks the pain is and assessor measures the length from zero point to x mark, which is the pain score. | 3 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| before-after change of visual analogue scale (VAS) (intragroup effect) | VAS is a patient-rated outcome with a 10-cm line representing 'not painful at all' for zero and 'most painful' for ten. Patient marks x on the line by oneself, based on how intense he/she thinks the pain is and assessor measures the length from zero point to x mark, which is the pain score. | 1~3 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| new Blinding index (BI) | Patients and outcome assesses will be asked which group they think they belong to and select one of the answers (verum electroacupuncture group, sham electroacupuncture group, or unknown). With the answers, the new BI will be calculated with mean and variances following the preceding study. The index score varies from 1 of complete lack of blinding, 0 of consistency with perfect blinding, or -1 of opposite guessing of their groups. |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Euiji Lee, Ph.D. | Kyunghee University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Kyung Hee University Korean Medicine Hospital | Seoul | 156-853 | South Korea |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 27547224 | Background | Lee SH, Lim SM. Acupuncture for Poststroke Shoulder Pain: A Systematic Review and Meta-Analysis. Evid Based Complement Alternat Med. 2016;2016:3549878. doi: 10.1155/2016/3549878. Epub 2016 Jul 31. | |
| 15020033 | Background | Bang H, Ni L, Davis CE. Assessment of blinding in clinical trials. Control Clin Trials. 2004 Apr;25(2):143-56. doi: 10.1016/j.cct.2003.10.016. |
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| ID | Term |
|---|---|
| D020521 | Stroke |
| D020069 | Shoulder Pain |
| D002544 | Cerebral Infarction |
| D002543 | Cerebral Hemorrhage |
| ID | Term |
|---|---|
| D002561 | Cerebrovascular Disorders |
| D001927 | Brain Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
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| ID | Term |
|---|---|
| D015671 | Electroacupuncture |
| ID | Term |
|---|---|
| D003131 | Combined Modality Therapy |
| D013812 | Therapeutics |
| D015670 | Acupuncture Therapy |
| D000529 | Complementary Therapies |
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| sham electroacupuncture | Device | We selected a non-penetrating sham needling, i.e., Park sham device, which has been developed and validated in preceding studies as comparison. On the exactly same 6 acupoints as verum electroacupuncture group, needles will be installed with Park sham guide tubes and the same electrical stimulators will be connected the tips of needles. Since the needles do not penetrate the skin, the stimulation is not electrically conducted. To be sure of patient blinding, the low frequency stimulate will be turned on with the same frequency (30 Hz), which makes a fake noise, resulting in letting patients believe that they are taking real electroacupuncture therapy for 20 minutes. Sham group will also 9 session for 3 weeks (3 sessions a week). |
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| Mean difference of pain rating scale (PRS) between baseline and endpoint | PRS is a patient-rated outcome to assess pain with 4 items for intensity (0-10 points), frequency (0-5 points), duration (0-5 points) and aggravating factors (0-5 points). The pain score is the product of the intensity point and the sum of frequency, duration, aggravating factors points (0-150 points in total). | 3 weeks |
| Mean difference of Fugl-Meyer assessment - upper extremity (FMA-UE) between baseline and endpoint | FMA-UE assesses physical performance of upper extremity following stroke. The original FMA scale includes 4 domains of motor function, sensation qualities, passive range of motion, and joint pain with 3-point items ('cannot perform' for 0, 'perform partially' for 1, and 'perform fully' for 2). We are going to measure only 8 items for upper extremity (shoulder retraction, elevation, abduction, abduction to 90°, adduction/internal rotation, external rotation, flexion 0-90°, and flexion 90-180°) | 3 weeks |
| Mean difference of passive ranges of motion (PROM) between baseline and endpoint | PROM for shoulder flexion, abduction, and extension will be measured with goniometer. The maximum degrees under passive movement of shoulder unless patients suffer from pain will be tested. | 3 weeks |
| Mean difference of manual muscle test (MMT) between baseline and endpoint | MMT assesses muscle strength in poststroke shoulder injury. Assessors will rate on a grade of 0 (no contraction at all) to 5 (complete range of motion against gravity with maximum resistance) for hemiplegic shoulder. | 3 weeks |
| Mean difference of modified Ashworth scale (MAS) between baseline and endpoint | MAS is a clinical rating scale to measure tonal abnormality after stroke. Assessors should grade from 0, meaning no increase in muscle tone, to 5, meaning that rigid shoulder on flexion or extension. | 3 weeks |
| Mean difference of Korean version of modified Barthel index (K-MBI) between baseline and endpoint | K-MBI is an ordinal scale used to measure performance in activities of daily living. Ten items (personal hygiene, bathing, feeding, toilet use, stair climbing, dressing, bowel control, bladder control, walking, and chair/bed transfers) will be graded between 1 (completely dependent on others to perform) and 5 (completely independent on others to perform), respectively, and it scores up to 100 points in total. | 3 weeks |
| Mean difference of Korean version of Beck depression inventory (K-BDI) between baseline and endpoint | K-BDI is a patient-rated outcome with 21 items, 0 to 3 points of each item. The higher the total score is, the severe the depressive level is. | 3 weeks |
| mean difference of the occurrence numbers of adverse events | At every visit, assessors will ask a post-interventional question about adverse events. The number of adverse events will be recorded for each group. | 3 times per week, 3 weeks, through study completion, |
| 3 weeks (only at the end of the study) |
| 12512790 | Background | Park J, White A, Stevinson C, Ernst E, James M. Validating a new non-penetrating sham acupuncture device: two randomised controlled trials. Acupunct Med. 2002 Dec;20(4):168-74. doi: 10.1136/aim.20.4.168. |
| 6226917 | Background | Price DD, McGrath PA, Rafii A, Buckingham B. The validation of visual analogue scales as ratio scale measures for chronic and experimental pain. Pain. 1983 Sep;17(1):45-56. doi: 10.1016/0304-3959(83)90126-4. |
| Background | Kim C, Kim C, Chun SI. Clinical value of a new self assessment method of pain. Journal of Korean Acamedy of Rehabilitation Medicine 22(2):305-311, 1998. (Korean) |
| Background | Kim HS, Her JG, Ko JY, Park DS, Woo JH, You YY, Choi YE. Reliability, concurrent validity, and responsiveness of the Fugl-Meyer assessment (FMA) for hemiplegic patients. Journal of Physical Therapy Science 24(9):893-899, 2012. |
| 2233877 | Background | Mendell JR, Florence J. Manual muscle testing. Muscle Nerve. 1990;13 Suppl:S16-20. doi: 10.1002/mus.880131307. No abstract available. |
| 10489001 | Background | Gregson JM, Leathley M, Moore AP, Sharma AK, Smith TL, Watkins CL. Reliability of the Tone Assessment Scale and the modified Ashworth scale as clinical tools for assessing poststroke spasticity. Arch Phys Med Rehabil. 1999 Sep;80(9):1013-6. doi: 10.1016/s0003-9993(99)90053-9. |
| Background | Jung HY, Park BK, Shin HS, Kang YK, Pyun SB, Paik NJ, Kim SH, Kim TH, Han TR. Development of the Korean version of modified barthel index (K-MBI): multi-center study for subjects with Stroke. Journal of Korean Acamedy of Rehabilitation Medicine 31(3):283-297, 2007. (Korean) |
| Background | Rhee MK, Lee YH, Park SH, Sohn CH, Chung YC, Hong SK, Lee BK, Chang P, Yoon AR. A stadardization study of beck depression inventory Ⅰ - Korean version (K-BDI): reliability and factor analysis. The Korean Journal of Psychopathology 4(1):77-95, 1995. (Korean) |
| Background | Rhee MK, Lee YH, Jung HY, Chio JH, Kim SH, Kim YK, Lee SK. A stadardization study of beck depression inventory Ⅱ - Korean version (K-BDI): validity. The Korean Journal of Psychopathology 4(1):96-104, 1995 . (Korean) |
| 26129899 | Background | Wang KF, Zhang LJ, Lu F, Lu YH, Yang CH. Can Ashi points stimulation have specific effects on shoulder pain? A systematic review of randomized controlled trials. Chin J Integr Med. 2016 Jun;22(6):467-72. doi: 10.1007/s11655-015-2107-4. Epub 2015 Jun 30. |
| 30866914 | Derived | Shin S, Yang SP, Yu A, Yoo J, Lim SM, Lee E. Effectiveness and safety of electroacupuncture for poststroke patients with shoulder pain: study protocol for a double-center, randomized, patient- and assessor-blinded, sham-controlled, parallel, clinical trial. BMC Complement Altern Med. 2019 Mar 12;19(1):58. doi: 10.1186/s12906-019-2468-x. |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
| D018771 | Arthralgia |
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
| D010146 | Pain |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D020520 | Brain Infarction |
| D002545 | Brain Ischemia |
| D007238 | Infarction |
| D007511 | Ischemia |
| D010335 | Pathologic Processes |
| D009336 | Necrosis |
| D020300 | Intracranial Hemorrhages |
| D006470 | Hemorrhage |
| D004599 |
| Electric Stimulation Therapy |
| D026741 | Physical Therapy Modalities |
| D012046 | Rehabilitation |
| D004561 | Transcutaneous Electric Nerve Stimulation |
| D000698 | Analgesia |
| D000760 | Anesthesia and Analgesia |
| D000758 | Anesthesia |