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PubMed1989

Relationship between acupuncture-induced immunity and the regulation of central neurotransmitters in the rabbit: VI. The influence of NDR stimulation on acupuncture regulation of immune function in rabbit.

T-lymphocyte transformation ability decreased and the function of the B-lymphocyte and mononuclear leucocyte/macrophage system increased when the activity of central serotonergic neurons was enhanced by the stimulation of nucleus dorsal raphe (NDR). These changes induced by NDR stimulation were not effected by electroacupuncture (EA) when EA was performed on the background of NDR stimulation. By comparing these results with the previous resultant that immunoreactions were affected by locus coeruleus (LC) stimulation and LC stimulation plus EA, some regularity had been discovered. So, a hypothesis was put forward by us that the catecholaminergic system plays a main role in EA regulation of cellular immunity while the serotonergic system plays such a role in EA regulation of humoral immunity.

Animals↗
PubMed2005

Longer term clinical and economic benefits of offering acupuncture care to patients with chronic low back pain.

OBJECTIVES: To test whether patients with persistent non-specific low back pain, when offered access to traditional acupuncture care alongside conventional primary care, gained more long-term relief from pain than those offered conventional care only, for equal or less cost. Safety and acceptability of acupuncture care to patients, and the heterogeneity of outcomes were also tested. DESIGN: A pragmatic, two parallel group, randomised controlled trial. Patients in the experimental arm were offered the option of referral to the acupuncture service comprising six acupuncturists. The control group received usual care from their general practitioner (GP). Eligible patients were randomised in a ratio of 2:1 to the offer of acupuncture to allow between-acupuncturist effects to be tested. SETTING: Three non-NHS acupuncture clinics, with referrals from 39 GPs working in 16 practices in York, UK. PARTICIPANTS: Patients aged 18-65 years with non-specific low back pain of 4-52 weeks' duration, assessed as suitable for primary care management by their general practitioner. INTERVENTIONS: The trial protocol allowed up to ten individualised acupuncture treatments per patient. The acupuncturist determined the content and the number of treatments according to patient need. MAIN OUTCOME MEASURES: The Short Form 36 (SF-36) Bodily Pain dimension (range 0-100 points), assessed at baseline, and 3, 12 and 24 months. The study was powered to detect a 10-point difference between groups at 12 months post-randomisation. Cost--utility analysis was conducted at 24 months using the EuroQoL 5 Dimensions (EQ-5D) and a preference-based single index measure derived from the SF-36 (SF-6D). Secondary outcomes included the McGill Present Pain Index (PPI), Oswestry Pain Disability Index (ODI), all other SF-36 dimensions, medication use, pain-free months in the past year, worry about back pain, satisfaction with care received, and safety and acceptability of acupuncture care. RESULTS: A total of 159 patients were in the 'acupuncture offer' arm and 80 in the 'usual care' arm. All 159 patients randomised to the offer of acupuncture care chose to receive acupuncture treatment, and received an average of eight acupuncture treatments within the trial. Analysis of covariance, adjusting for baseline score, found an intervention effect of 5.6 points on the SF-36 Pain dimension [95% confidence interval (CI) -1.3 to 12.5] in favour of the acupuncture group at 12 months, and 8 points (95% CI 0.7 to 15.3) at 24 months. No evidence of heterogeneity of effect was found for the different acupuncturists. Patients receiving acupuncture care did not report any serious or life-threatening events. No significant treatment effect was found for any of the SF-36 dimensions other than Pain, or for the PPI or the ODI. Patients receiving acupuncture care reported a significantly greater reduction in worry about their back pain at 12 and 24 months compared with the usual care group. At 24 months, the acupuncture care group was significantly more likely to report 12 months pain free and less likely to report the use of medication for pain relief. The acupuncture service was found to be cost-effective at 24 months; the estimated cost per quality-adjusted (QALY) was 4241 pounds sterling (95% CI 191 pounds sterling to 28,026 pounds sterling) using the SF-6D scoring algorithm based on responses to the SF-36, and 3598 pounds sterling (95% CI 189 pounds sterling to 22,035 pounds sterling) using the EQ-5D health status instrument. The NHS costs were greater in the acupuncture care group than in the usual care group. However, the additional resource use was less than the costs of the acupuncture treatment itself, suggesting that some usual care resource use was offset. CONCLUSIONS: Traditional acupuncture care delivered in a primary care setting was safe and acceptable to patients with non-specific low back pain. Acupuncture care and usual care were both associated with clinically significant improvement at 12- and 24-month follow-up. Acupuncture care was significantly more effective in reducing bodily pain than usual care at 24-month follow-up. No benefits relating to function or disability were identified. GP referral to a service providing traditional acupuncture care offers a cost-effective intervention for reducing low back pain over a 2-year period. Further research is needed to examine many aspects of this treatment including its impact compared with other possible short-term packages of care (such as massage, chiropractic or physiotherapy), various aspects of cost-effectiveness, value to patients and implementation protocols.

Acupuncture Therapy↗
PubMed2006

Acupuncture in patients with chronic low back pain: a randomized controlled trial.

BACKGROUND: Acupuncture is widely used by patients with low back pain, although its effectiveness is unclear. We investigated the efficacy of acupuncture compared with minimal acupuncture and with no acupuncture in patients with chronic low back pain. METHODS: Patients were randomized to treatment with acupuncture, minimal acupuncture (superficial needling at nonacupuncture points), or a waiting list control. Acupuncture and minimal acupuncture were administered by specialized acupuncture physicians in 30 outpatient centers, and consisted of 12 sessions per patient over 8 weeks. Patients completed standardized questionnaires at baseline and at 8, 26, and 52 weeks after randomization. The primary outcome variable was the change in low back pain intensity from baseline to the end of week 8, as determined on a visual analog scale (range, 0-100 mm). RESULTS: A total of 298 patients (67.8% female; mean +/- SD age, 59 +/- 9 years) were included. Between baseline and week 8, pain intensity decreased by a mean +/- SD of 28.7 +/- 30.3 mm in the acupuncture group, 23.6 +/- 31.0 mm in the minimal acupuncture group, and 6.9 +/- 22.0 mm in the waiting list group. The difference for the acupuncture vs minimal acupuncture group was 5.1 mm (95% confidence interval, -3.7 to 13.9 mm; P = .26), and the difference for the acupuncture vs waiting list group was 21.7 mm (95% confidence interval, 13.9-30.0 mm; P<.001). Also, at 26 (P=.96) and 52 (P=.61) weeks, pain did not differ significantly between the acupuncture and the minimal acupuncture groups. CONCLUSION: Acupuncture was more effective in improving pain than no acupuncture treatment in patients with chronic low back pain, whereas there were no significant differences between acupuncture and minimal acupuncture.

Acupuncture Analgesia↗
PubMed2005

A controlled trial of placebo versus real acupuncture.

UNLABELLED: We sought to determine whether a novel method of placebo acupuncture can be differentiated by subjects from real acupuncture treatment. A single-blind, randomized, controlled clinical trial with an independent observer was performed. Forty-nine healthy subjects over the age of 18 years were randomly assigned to one of 2 experimental groups: 24 subjects received real acupuncture, and 25 subjects received placebo acupuncture. Placebo acupuncture was performed by administering a blunted acupuncture needle through a foam pad at the Large Intestine 4 acupoint. The blunted needle touched but did not penetrate the skin. Real acupuncture was performed by administering an acupuncture needle through a foam pad at the Large Intestine 4 acupoint. The needle pricked and penetrated the skin to a depth of 10 to 20 mm. A simple questionnaire followed, asking whether the subject believed they received real or placebo acupuncture. Twenty-two (88%) of the 25 subjects who received placebo acupuncture believed they received real acupuncture. Nineteen (79.2%) of the 24 subjects who received real acupuncture correctly determined they received real acupuncture. The Fisher exact test showed an insignificant difference between real and placebo acupuncture treatments (P = .463). Subjects were not able to differentiate between real or placebo acupuncture, thereby validating this novel method of administering placebo acupuncture as a good control for acupuncture-naive patients. PERSPECTIVE: The method of placebo acupuncture herein described is a valid control for acupuncture research involving acupuncture-naive patients.

Acupuncture Analgesia↗
PubMedDate not supplied

Acupuncture in patients with osteoarthritis of the knee: a randomised trial.

BACKGROUND: Acupuncture is widely used by patients with chronic pain although there is little evidence of its effectiveness. We investigated the efficacy of acupuncture compared with minimal acupuncture and with no acupuncture in patients with osteoarthritis of the knee. METHODS: Patients with chronic osteoarthritis of the knee (Kellgren grade < or =2) were randomly assigned to acupuncture (n=150), minimal acupuncture (superficial needling at non-acupuncture points; n=76), or a waiting list control (n=74). Specialised physicians, in 28 outpatient centres, administered acupuncture and minimal acupuncture in 12 sessions over 8 weeks. Patients completed standard questionnaires at baseline and after 8 weeks, 26 weeks, and 52 weeks. The primary outcome was the Western Ontario and McMaster Universities Osteoarthritis (WOMAC) index at the end of week 8 (adjusted for baseline score). All main analyses were by intention to treat. RESULTS: 294 patients were enrolled from March 6, 2002, to January 17, 2003; eight patients were lost to follow-up after randomisation, but were included in the final analysis. The mean baseline-adjusted WOMAC index at week 8 was 26.9 (SE 1.4) in the acupuncture group, 35.8 (1.9) in the minimal acupuncture group, and 49.6 (2.0) in the waiting list group (treatment difference acupuncture vs minimal acupuncture -8.8, [95% CI -13.5 to -4.2], p=0.0002; acupuncture vs waiting list -22.7 [-27.5 to -17.9], p<0.0001). After 52 weeks the difference between the acupuncture and minimal acupuncture groups was no longer significant (p=0.08). INTERPRETATION: After 8 weeks of treatment, pain and joint function are improved more with acupuncture than with minimal acupuncture or no acupuncture in patients with osteoarthritis of the knee. However, this benefit decreases over time.

Acupuncture Points↗
PubMed2004

A double-blind, randomized, placebo-controlled trial of acupuncture for the treatment of childhood persistent allergic rhinitis.

OBJECTIVE: To compare active acupuncture with sham acupuncture for the treatment of persistent allergic rhinitis among children. METHODS: Subjects with persistent allergic rhinitis were recruited from the pediatric outpatient clinic. They were randomized to receive either active acupuncture or sham acupuncture. Main outcome measures included daily rhinitis scores, symptom-free days, visual analog scale scores for immediate effects of acupuncture, daily relief medication scores, blood eosinophil counts, serum IgE levels, nasal eosinophil counts, patients' and parents' preferences for treatment modalities, and adverse effects. RESULTS: Eighty-five patients were recruited from the pediatric outpatient clinic at Kwong Wah Hospital, in Hong Kong. Thirteen patients withdrew before randomization; 35 patients (mean age: 11.7 +/- 3.2 years) were randomized to receive active acupuncture for 8 weeks, and 37 patients (mean age: 11 +/- 3.8 years) were randomized to receive sham acupuncture for 8 weeks. Acupuncture was performed twice per week for both groups. Both the assessing pediatricians and the patients were blinded. There were significantly lower daily rhinitis scores and more symptom-free days for the group receiving active acupuncture, during both the treatment and follow-up periods. The visual analog scale scores for immediate improvement after acupuncture were also significantly better for the active acupuncture group. There was no significant difference in the following outcome measures between the active and sham acupuncture groups: daily relief medication scores, blood eosinophil counts, serum IgE levels, and nasal eosinophil counts, except for the IgE levels before and 2 months after acupuncture in the sham acupuncture group. No severe adverse effects were encountered. Numbness, headache, and dizziness were found in both the active and sham acupuncture groups, with no difference in incidence, and the effects were self-limiting. CONCLUSIONS: This study showed that active acupuncture was more effective than sham acupuncture in decreasing the symptom scores for persistent allergic rhinitis and increasing the symptom-free days. No serious adverse effect was identified. A large-scale study is required to confirm the safety of acupuncture for children.

Acupuncture Therapy↗
PubMed2005

Acupuncture for patients with migraine: a randomized controlled trial.

CONTEXT: Acupuncture is widely used to prevent migraine attacks, but the available evidence of its benefit is scarce. OBJECTIVE: To investigate the effectiveness of acupuncture compared with sham acupuncture and with no acupuncture in patients with migraine. DESIGN, SETTING, AND PATIENTS: Three-group, randomized, controlled trial (April 2002-January 2003) involving 302 patients (88% women), mean (SD) age of 43 (11) years, with migraine headaches, based on International Headache Society criteria. Patients were treated at 18 outpatient centers in Germany. INTERVENTIONS: Acupuncture, sham acupuncture, or waiting list control. Acupuncture and sham acupuncture were administered by specialized physicians and consisted of 12 sessions per patient over 8 weeks. Patients completed headache diaries from 4 weeks before to 12 weeks after randomization and from week 21 to 24 after randomization. MAIN OUTCOME MEASURES: Difference in headache days of moderate or severe intensity between the 4 weeks before and weeks 9 to 12 after randomization. RESULTS: Between baseline and weeks 9 to 12, the mean (SD) number of days with headache of moderate or severe intensity decreased by 2.2 (2.7) days from a baseline of 5.2 (2.5) days in the acupuncture group compared with a decrease to 2.2 (2.7) days from a baseline of 5.0 (2.4) days in the sham acupuncture group, and by 0.8 (2.0) days from a baseline if 5.4 (3.0) days in the waiting list group. No difference was detected between the acupuncture and the sham acupuncture groups (0.0 days, 95% confidence interval, -0.7 to 0.7 days; P = .96) while there was a difference between the acupuncture group compared with the waiting list group (1.4 days; 95% confidence interval; 0.8-2.1 days; P<.001). The proportion of responders (reduction in headache days by at least 50%) was 51% in the acupuncture group, 53% in the sham acupuncture group, and 15% in the waiting list group. CONCLUSION: Acupuncture was no more effective than sham acupuncture in reducing migraine headaches although both interventions were more effective than a waiting list control.

Acupuncture Therapy↗
PubMed1998

Controlled trial of Japanese acupuncture for chronic myofascial neck pain: assessment of specific and nonspecific effects of treatment.

OBJECTIVE: This article examines the specific and nonspecific effects of Japanese acupuncture on chronic myofascial neck pain in a randomized single-blind trial. DESIGN: Forty-six patients were randomly assigned to receive relevant acupuncture, irrelevant acupuncture, or no-acupuncture control treatment consisting of nonsteroidal anti-inflammatory medication. The two acupuncture groups underwent comparable light shallow needling. The irrelevant acupuncture group received acupuncture at specific sites not relevant for cervical pain. OUTCOME MEASURES: The study measures included the McGill Pain Questionnaire-Short Form (SF-MPQ), the Short-Form Health Survey (SF-36), the Symptom Checklist 90-Revised (SCL-90-R), medication diary, and physiologic measures. The factors examined as predictors of outcome pain ratings were experience with, beliefs about, and knowledge of acupuncture before treatment; perceived efficacy, credibility, and logic of acupuncture; perceived competence of the acupuncturist; and painfulness of acupuncture. RESULTS: No differences were found among the three groups at baseline, except that the relevant acupuncture group reported having had more previous acupuncture treatments. No significant differences in terms of perceived credibility or perceived effectiveness of treatment were found between the two acupuncture groups. The relevant acupuncture group had significantly greater pre-/posttreatment differences in pain than the irrelevant acupuncture and control groups (p < .05). The nonspecific effects of confidence in the acupuncturist, willingness to try any treatment, mood, and physiologic effect of needling were not predictive of treatment outcome, whereas confidence in the treatment and past experiences with acupuncture did correlate significantly with a decrease in pain. CONCLUSIONS: Relevant acupuncture with heat contributes to modest pain reduction in persons with myofascial neck pain. Previous experience with and confidence in treatment help to predict benefit. Measurement of nonspecific effects of alternative therapy is recommended in future clinical trials.

Acupuncture Therapy↗
PubMed2005

Acupuncture in patients with tension-type headache: randomised controlled trial.

OBJECTIVE: To investigate the effectiveness of acupuncture compared with minimal acupuncture and with no acupuncture in patients with tension-type headache. DESIGN: Three armed randomised controlled multicentre trial. SETTING: 28 outpatient centres in Germany. PARTICIPANTS: 270 patients (74% women, mean age 43 (SD 13) years) with episodic or chronic tension-type headache. INTERVENTIONS: Acupuncture, minimal acupuncture (superficial needling at non-acupuncture points), or waiting list control. Acupuncture and minimal acupuncture were administered by specialised physicians and consisted of 12 sessions per patient over eight weeks. MAIN OUTCOME MEASURE: Difference in numbers of days with headache between the four weeks before randomisation and weeks 9-12 after randomisation, as recorded by participants in headache diaries. RESULTS: The number of days with headache decreased by 7.2 (SD 6.5) days in the acupuncture group compared with 6.6 (SD 6.0) days in the minimal acupuncture group and 1.5 (SD 3.7) days in the waiting list group (difference: acupuncture v minimal acupuncture, 0.6 days, 95% confidence interval -1.5 to 2.6 days, P = 0.58; acupuncture v waiting list, 5.7 days, 3.9 to 7.5 days, P < 0.001). The proportion of responders (at least 50% reduction in days with headache) was 46% in the acupuncture group, 35% in the minimal acupuncture group, and 4% in the waiting list group. CONCLUSIONS: The acupuncture intervention investigated in this trial was more effective than no treatment but not significantly more effective than minimal acupuncture for the treatment of tension-type headache. TRIAL REGISTRATION NUMBER: ISRCTN9737659.

Acupuncture Therapy↗
PubMed2002

Relief of chronic neck and shoulder pain by manual acupuncture to tender points--a sham-controlled randomized trial.

OBJECTIVES: To compare the effects of real acupuncture to tender points for neck and shoulder pain and stiffness (Japanese: katakori) with those of sham acupuncture. DESIGN: Randomized-controlled trial. METHODS: Thirty-four volunteers from an acupuncture school with complaints of chronic pain and stiffness, who had no arm symptoms and gave informed consent, were randomly allocated to acupuncture or sham groups. Acupuncture or sham acupuncture was applied to the tender points once a week for 3 weeks. In the acupuncture group the acupuncture needle was inserted to the muscle, then the sparrow pecking technique was applied five times. Sham acupuncture was done without insertion of the needle. Dull pain and stiffness were evaluated by visual analog scale (VAS) before, and every 2 days after the first needling for 1 month. Pressure pain threshold on the tender points was measured before and after each treatment. RESULTS: There was no statistical difference of VAS scores between acupuncture and sham groups 9 days after the last treatment. However, the acupuncture group showed significant reduction of VAS scores immediately after and/or 1 day after the real acupuncture treatments (P<0.01). The effect tended to be prolonged after repeated treatment. Pressure pain thresholds tended to increase after real acupuncture treatment but not after sham acupuncture. CONCLUSIONS: Acupuncture applied to tender points appears to have short-term effects on neck and shoulder pain and stiffness, but this study was unable to demonstrate any long-term superiority over sham acupuncture.

Acupuncture Analgesia↗