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Ultrasound-guided myofascial trigger point injection into brachialis muscle for rotator cuff disease patients with upper arm pain: a pilot study

 Mi Ri Suh  ;  Won Hyuk Chang  ;  Hyo Seon Choi  ;  Sang Chul Lee 
 Annals of Rehabilitation Medicine, Vol.38(5) : 673-681, 2014 
Journal Title
 Annals of Rehabilitation Medicine 
Issue Date
Myofascial pain syndromes ; Rotator cuff ; Shoulder pain ; Ultrasonography
OBJECTIVE: To assess the efficacy of trigger point injection into brachialis muscle for rotator cuff disease patients with upper arm pain. METHODS: A prospective, randomized, and single-blinded clinical pilot trial was performed at university rehabilitation hospital. Twenty-one patients clinically diagnosed with rotator cuff disease suspected of having brachialis myofascial pain syndrome (MPS) were randomly allocated into two groups. Effect of ultrasound (US)-guided trigger point injection (n=11) and oral non-steroidal anti-inflammatory drug (NSAID) (n=10) was compared by visual analog scale (VAS). RESULTS: US-guided trigger point injection of brachialis muscle resulted in excellent outcome compared to the oral NSAID group. Mean VAS scores decreased significantly after 2 weeks of treatment compared to the baseline in both groups (7.3 vs. 4.5 in the injection group and 7.4 vs. 5.9 in the oral group). The decrease of the VAS score caused by injection (ДVAS=-2.8) was significantly larger than caused by oral NSAID (ДVAS=-1.5) (p<0.05). CONCLUSION: In patients with rotator cuff disease, US-guided trigger point injection of the brachialis muscle is safe and effective for both diagnosis and treatment when the cause of pain is suspected to be originated from the muscle.
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1. College of Medicine (의과대학) > Dept. of Rehabilitation Medicine (재활의학교실) > 1. Journal Papers
Yonsei Authors
Lee, Sang Chul(이상철) ORCID logo https://orcid.org/0000-0002-6241-7392
Chang, Won Hyuk(장원혁)
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