Document Detail

Effects of needle electrical intramuscular stimulation on shoulder and cervical myofascial pain syndrome and microcirculation.
MedLine Citation:
PMID:  18436503     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: To evaluate the effects of needle electrical intramuscular stimulation (NEIMS) on myofascial trigger points (MTrPs) and their epidermal blood flow. METHODS: Forty adult patients with active MTrPs in the upper trapezius or levator scapulae underwent 4 weekly NEIMS sessions. Visual analog scale (VAS) and pain pressure threshold (PPT), along with cervical and shoulder range of motion (ROM) were used as outcome measures. Microcirculatory changes were also evaluated by laser Doppler flowmetry of the epidermal area above these MTrPs. Data were collected before and after each treatment. Paired t tests were used to compare pre- and post-treatment data. Outcomes were presented as box plots displaying medians and 25th to 75th percentile values. RESULTS: VAS and PPT pain significantly improved immediately after each treatment; effects persisted till the end of the experiment. NEIMS treatment also had immediate and mid-term positive effects on cervical and shoulder ROM. There was an overall negative correlation between epidermal blood flow and VAS score before the first treatment. Regional blood flow significantly increased immediately but temporarily after each treatment. CONCLUSION: NEIMS did have positive effects on myofascial pain syndrome, but the data did not indicate that increased regional microcirculation was the possible therapeutic mechanism.
Si-Huei Lee; Chih-Chun Chen; Chang-Shun Lee; Tsung-Ching Lin; Rai-Chi Chan
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of the Chinese Medical Association : JCMA     Volume:  71     ISSN:  1726-4901     ISO Abbreviation:  J Chin Med Assoc     Publication Date:  2008 Apr 
Date Detail:
Created Date:  2008-04-25     Completed Date:  2008-07-29     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101174817     Medline TA:  J Chin Med Assoc     Country:  China (Republic : 1949- )    
Other Details:
Languages:  eng     Pagination:  200-6     Citation Subset:  IM    
Department of Physical Medicine and Rehabilitation, Taipei Veterans General Hospital, Taipei, Taiwan, R.O.C.
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MeSH Terms
Electric Stimulation Therapy*
Middle Aged
Myofascial Pain Syndromes / physiopathology,  therapy*
Neck Pain / physiopathology,  therapy*
Pain Measurement
Pain Threshold
Range of Motion, Articular
Shoulder Pain / physiopathology,  therapy*
Skin / blood supply

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