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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Two-Dimensional Ultrasound and Ultrasound Elastography Imaging of Trigger Points in Women with Myofascial Pain Syndrome Treated by Acupuncture and Electroacupuncture: A Double-Blinded Randomized Controlled Pilot Study

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Erika Mueller, Cristina Emoeke [1] ; Montans Aranha, Maria Fernanda [1] ; Duarte Gaviao, Maria Beatriz [2]
Total Authors: 3
[1] Univ Estadual Campinas, Piracicaba Dent Sch, Dept Morphol, Piracicaba, SP - Brazil
[2] Univ Estadual Campinas, Piracicaba Dent Sch, Dept Pediat Dent, Piracicaba, SP - Brazil
Total Affiliations: 2
Document type: Journal article
Source: ULTRASONIC IMAGING; v. 37, n. 2, p. 152-167, APR 2015.
Web of Science Citations: 4

Chronic pain has been often associated with myofascial pain syndrome (MPS), which is determined by myofascial trigger points (MTrP). New features have been tested for MTrP diagnosis. The aim of this study was to evaluate two-dimensional ultrasonography (2D US) and ultrasound elastography (UE) images and elastograms of upper trapezius MTrP during electroacupuncture (EA) and acupuncture (AC) treatment. 24 women participated, aged between 20 and 40 years (M +/- SD = 27.33 +/- 5.05) with a body mass index ranging from 18.03 to 27.59 kg/m(2) (22.59 +/- 3.11), a regular menstrual cycle, at least one active MTrP at both right (RTPz) and left trapezius (LTPz) and local or referred pain for up to six months. Subjects were randomized into EA and AC treatment groups and the control sham AC (SHAM) group. Intensity of pain was assessed by visual analogue scale; MTrP mean area and strain ratio (SR) by 2D US and UE. A significant decrease of intensity in general, RTPz, and LTPz pain was observed in the EA group (p = 0.027; p < 0.001; p = 0.005, respectively) and in general pain in the AC group (p < 0.001). Decreased MTrP area in RTPz and LTPz were observed in AC (p < 0.001) and EA groups (RTPz, p = 0.003; LTPz, p = 0.005). Post-treatment SR in RTPz and LTPz was lower than pre-treatment in both treatment groups. 2D US and UE effectively characterized MTrP and surrounding tissue, pointing to the possibility of objective confirmation of subjective EA and AC treatment effects. (AU)

FAPESP's process: 11/12659-1 - Evaluation of acupuncture and electroacupuncture on the treatment of the upper trapezius myofascial pain - a double blinded randomized placebo controlled study
Grantee:Maria Beatriz Duarte Gavião
Support Opportunities: Regular Research Grants