Effect of Electroacupuncture on Shoulder Subluxation in Poststroke Patients with Hemiplegic Shoulder Pain: A Sham-Controlled Study Using Multidimensional Musculoskeletal Ultrasound Assessment

Objective. This study aimed to use multidimensional musculoskeletal ultrasound imaging technique to investigate the effect of electroacupuncture (EA) on shoulder subluxation in poststroke patients with hemiplegic shoulder pain. Methods. In this prospective single-blind, randomized, sham-controlled s...

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Main Authors: Minghong Sui, Naifu Jiang, Luhui Yan, Jiaqing Liu, Bin Luo, Chenxi Zhang, Tiebin Yan, Yun Xiang, Guanglin Li
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Pain Research and Management
Online Access:http://dx.doi.org/10.1155/2021/5329881
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author Minghong Sui
Naifu Jiang
Luhui Yan
Jiaqing Liu
Bin Luo
Chenxi Zhang
Tiebin Yan
Yun Xiang
Guanglin Li
author_facet Minghong Sui
Naifu Jiang
Luhui Yan
Jiaqing Liu
Bin Luo
Chenxi Zhang
Tiebin Yan
Yun Xiang
Guanglin Li
author_sort Minghong Sui
collection DOAJ
description Objective. This study aimed to use multidimensional musculoskeletal ultrasound imaging technique to investigate the effect of electroacupuncture (EA) on shoulder subluxation in poststroke patients with hemiplegic shoulder pain. Methods. In this prospective single-blind, randomized, sham-controlled study, thirty-four patients with shoulder subluxation and hemiplegic shoulder pain were recruited and randomly assigned into the EA group or the sham EA (SEA) group. In the EA group, EA was applied to the Jian yu (LI15), Bi nao (LI14), Jian zhen (SI9), and Jian liao (TE14) acupoints. In the SEA group, the EA was applied 15 mm away from the Lou gu (SP7), Di ji (SP8), Jiao xin (KI8), and Zhu bin (KI9) acupoints. Both groups underwent treatment 30 minutes/day, five days a week, for two weeks using dense waves with a frequency of 2/100 Hz. A Visual Analogue Scale (VAS) was used to evaluate the effectiveness of treatment in reducing shoulder pain. Musculoskeletal ultrasound was used to evaluate the changes of measures of shoulder subluxation in multidimensions (i.e., the acromiohumeral distance, AHD; acromion-greater tuberosity, AGT; and acromion-lesser tuberosity, ALT). Both the within- and between-groups treatment effects were assessed. Results. The pain intensity measured by VAS and shoulder subluxation measured by musculoskeletal ultrasound (i.e., AHD, AGT, and ALT) showed significant (p<0.05) within-group difference in both groups. The between-group difference appeared in the pain intensity (p<0.05), while it disappeared in the three measures of shoulder subluxation (p>0.05). Conclusions. Using VAS for measuring pain intensity and multidimensional musculoskeletal ultrasound imaging technique for measuring shoulder subluxation, this study finds that the hemiplegic shoulder pain can be improved significantly by the EA while the shoulder subluxation cannot be. Our findings further reveal the analgesic mechanism of EA on hemiplegic shoulder pain following stroke.
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spelling doaj-art-443af80dab5b48ddb82790d4f1f9df532025-02-03T05:57:19ZengWileyPain Research and Management1918-15232021-01-01202110.1155/2021/5329881Effect of Electroacupuncture on Shoulder Subluxation in Poststroke Patients with Hemiplegic Shoulder Pain: A Sham-Controlled Study Using Multidimensional Musculoskeletal Ultrasound AssessmentMinghong Sui0Naifu Jiang1Luhui Yan2Jiaqing Liu3Bin Luo4Chenxi Zhang5Tiebin Yan6Yun Xiang7Guanglin Li8Department of Rehabilitation MedicineCAS Key Laboratory of Human-Machine Intelligence-Synergy SystemsDepartment of Rehabilitation MedicineDepartment of Rehabilitation MedicineDepartment of Rehabilitation MedicineDepartment of Rehabilitation MedicineDepartment of Rehabilitation MedicineDepartment of Rehabilitation MedicineCAS Key Laboratory of Human-Machine Intelligence-Synergy SystemsObjective. This study aimed to use multidimensional musculoskeletal ultrasound imaging technique to investigate the effect of electroacupuncture (EA) on shoulder subluxation in poststroke patients with hemiplegic shoulder pain. Methods. In this prospective single-blind, randomized, sham-controlled study, thirty-four patients with shoulder subluxation and hemiplegic shoulder pain were recruited and randomly assigned into the EA group or the sham EA (SEA) group. In the EA group, EA was applied to the Jian yu (LI15), Bi nao (LI14), Jian zhen (SI9), and Jian liao (TE14) acupoints. In the SEA group, the EA was applied 15 mm away from the Lou gu (SP7), Di ji (SP8), Jiao xin (KI8), and Zhu bin (KI9) acupoints. Both groups underwent treatment 30 minutes/day, five days a week, for two weeks using dense waves with a frequency of 2/100 Hz. A Visual Analogue Scale (VAS) was used to evaluate the effectiveness of treatment in reducing shoulder pain. Musculoskeletal ultrasound was used to evaluate the changes of measures of shoulder subluxation in multidimensions (i.e., the acromiohumeral distance, AHD; acromion-greater tuberosity, AGT; and acromion-lesser tuberosity, ALT). Both the within- and between-groups treatment effects were assessed. Results. The pain intensity measured by VAS and shoulder subluxation measured by musculoskeletal ultrasound (i.e., AHD, AGT, and ALT) showed significant (p<0.05) within-group difference in both groups. The between-group difference appeared in the pain intensity (p<0.05), while it disappeared in the three measures of shoulder subluxation (p>0.05). Conclusions. Using VAS for measuring pain intensity and multidimensional musculoskeletal ultrasound imaging technique for measuring shoulder subluxation, this study finds that the hemiplegic shoulder pain can be improved significantly by the EA while the shoulder subluxation cannot be. Our findings further reveal the analgesic mechanism of EA on hemiplegic shoulder pain following stroke.http://dx.doi.org/10.1155/2021/5329881
spellingShingle Minghong Sui
Naifu Jiang
Luhui Yan
Jiaqing Liu
Bin Luo
Chenxi Zhang
Tiebin Yan
Yun Xiang
Guanglin Li
Effect of Electroacupuncture on Shoulder Subluxation in Poststroke Patients with Hemiplegic Shoulder Pain: A Sham-Controlled Study Using Multidimensional Musculoskeletal Ultrasound Assessment
Pain Research and Management
title Effect of Electroacupuncture on Shoulder Subluxation in Poststroke Patients with Hemiplegic Shoulder Pain: A Sham-Controlled Study Using Multidimensional Musculoskeletal Ultrasound Assessment
title_full Effect of Electroacupuncture on Shoulder Subluxation in Poststroke Patients with Hemiplegic Shoulder Pain: A Sham-Controlled Study Using Multidimensional Musculoskeletal Ultrasound Assessment
title_fullStr Effect of Electroacupuncture on Shoulder Subluxation in Poststroke Patients with Hemiplegic Shoulder Pain: A Sham-Controlled Study Using Multidimensional Musculoskeletal Ultrasound Assessment
title_full_unstemmed Effect of Electroacupuncture on Shoulder Subluxation in Poststroke Patients with Hemiplegic Shoulder Pain: A Sham-Controlled Study Using Multidimensional Musculoskeletal Ultrasound Assessment
title_short Effect of Electroacupuncture on Shoulder Subluxation in Poststroke Patients with Hemiplegic Shoulder Pain: A Sham-Controlled Study Using Multidimensional Musculoskeletal Ultrasound Assessment
title_sort effect of electroacupuncture on shoulder subluxation in poststroke patients with hemiplegic shoulder pain a sham controlled study using multidimensional musculoskeletal ultrasound assessment
url http://dx.doi.org/10.1155/2021/5329881
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