PubMed · 4406701
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G L Looney. 1974-06-17. Letter: Acupuncture study.. https://doi.org/10.1001/jama.1974.03230370020012
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Carpal tunnel syndrome (CTS) is a common entrapment neuropathy of the median nerve characterized by paresthesias and pain in the first through fourth digits. We hypothesize that aberrant afferent input from CTS will lead to maladaptive cortical plasticity, which may be corrected by appropriate therapy. Functional MRI (fMRI) scanning and clinical testing was performed on CTS patients at baseline and after 5 weeks of acupuncture treatment. As a control, healthy adults were also tested 5 weeks apart. During fMRI, sensory stimulation was performed for median nerve innervated digit 2 (D2) and digit 3 (D3), and ulnar nerve innervated digit 5 (D5). Surface-based and region of interest (ROI)-based analyses demonstrated that while the extent of fMRI activity in contralateral Brodmann Area 1 (BA 1) and BA 4 was increased in CTS compared to healthy adults, after acupuncture there was a significant decrease in contralateral BA 1 (P < 0.005) and BA 4 (P < 0.05) activity during D3 sensory stimulation. Healthy adults demonstrated no significant test-retest differences for any digit tested. While D3/D2 separation was contracted or blurred in CTS patients compared to healthy adults, the D2 SI representation shifted laterally after acupuncture treatment, leading to increased D3/D2 separation. Increasing D3/D2 separation correlated with decreasing paresthesias in CTS patients (P < 0.05). As CTS-induced paresthesias constitute diffuse, synchronized, multidigit symptomatology, our results for maladaptive change and correction are consistent with Hebbian plasticity mechanisms. Acupuncture, a somatosensory conditioning stimulus, shows promise in inducing beneficial cortical plasticity manifested by more focused digital representations.
This article discusses complementary and alternative medicine (CAM), reviews literature on the prevalence of use of CAM by the general adult population in the United States and by patients with persistent facial pain, and summarizes published, peer-reviewed reports of clinical trials assessing the effects of CAM therapies for persistent facial pain. Results indicate that many patients use CAM for musculoskeletal pain, including persistent facial pain. Preliminary work on selected complementary therapies such as biofeedback, relaxation, and acupuncture seems promising; however, there are more unanswered than answered questions about cost-effectiveness, efficacy and mechanisms of action of CAM for persistent facial pain.
OBJECTIVE: To determine whether individually tailored acupuncture is an effective treatment option for reducing postmenopausal hot flashes and improving quality of life. METHODS: In a randomized, placebo-controlled pilot study, 29 postmenopausal participants averaging at least seven moderate to severe hot flashes per 24h, with a baseline estradiol concentration of less than 50 pg/mL and a normal TSH level, were randomized to receive 7 weeks (nine treatment sessions) of either active acupuncture or placebo acupuncture (placebo needles that did not penetrate the skin at sham acupuncture points). Participants recorded hot flashes in logs that were reported daily. Global indices of the severity and frequency of hot flashes were derived from the participants' daily logs. RESULTS: Participants receiving the active treatment had a greater reduction in hot flash severity (24.5+/-30.7%) compared to those receiving placebo (4.4+/-17.1%, P=0.042). Within group repeated measures analyses of variance revealed a significant reduction in hot flash severity in the active (P=0.042), but not in the placebo treatment group (P=0.15). Although there was no significant group difference in the reduction of hot flash frequency between the active (42.4+/-32.2%) and placebo groups (32.0+/-26.5%; P>or=0.352), within group repeated measures analyses of variance revealed that the reduction was statistically significant in both groups (P<or=0.001). CONCLUSIONS: Standardized, individually tailored acupuncture treatment was associated with significantly greater decrease in the severity, but not the frequency, of hot flashes, in symptomatic postmenopausal women when compared to placebo acupuncture of equal duration. Future, larger scale, studies are needed.