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Objectives: The objectives of this study were to identify the mean safe needling depth and angle at BL40 between subjects, taking into account variables including sex and body mass index (BMI). Methods: One hundred and twenty-four participants who had undergone magnetic resonance imaging (MRI) examination of the knee region for clinical indications were included in this study. BL40 needling sites were localized by World Health Organization (WHO) standards and were measured by MRI. As much as 70% of the value of AN (from the needle insertion point to the popliteal artery) was considered to represent the safe depth, and angle alpha between the BL40 straight line and the AN line was regarded as the safe angle. Results: Overall, mean safe depth regardless of BMI and sex was 18.51 ± 3.56 mm (95% confidence interval (CI), 17.88%–19.14%). Mean safe depth was 17.24 ± 3.14 mm in the low and normal BMI group, 18.76 ± 2.90 mm in the overweight group, and 22.01 ± 3.71 mm in the obese group. Thirteen patients (10.5%) had internal deviation of angle alpha (95% CI, 5.6%–15.3%), while 111 patients (89.5%) had external deviation (95% CI, 84.7%–94.4%). The mean internal and external deviations of angle alpha were 8.78° ± 2.92° (95% CI, 7.01°–10.55°) and 9.75° ± 3.46° (95% CI, 9.10°–10.41°), respectively. Conclusion: We would suggest that, when using a straight needle insertion at BL40, it is safe to advance a 25-mm needle approximately 12.5 mm, and 17.5 mm should be safe for patients with BMI greater than 28 kg/m2. Practitioners should decrease the depth of penetration when treating patients of low body weight or height. [ABSTRACT FROM AUTHOR]

Background: Evidence for treating postprandial distress syndrome with acupuncture is limited. Aim: We aimed to evaluate the feasibility of verum acupuncture versus sham acupuncture in patients with postprandial distress syndrome. Methods: A total of 42 eligible patients were randomly allocated to either verum acupuncture or sham acupuncture groups in a 1:1 ratio. Each patient received 12 sessions over 4 weeks. The primary outcome was the response rate based on the overall treatment effect (OTE) 4 weeks after randomization. Secondary outcomes included dyspepsia symptom severity and adverse events. Results: In each group, 19 patients (91.5%) completed the study. Thirteen patients receiving verum acupuncture and seven patients receiving sham acupuncture were classified as responders according to OTE (61.9% vs 33.3%; rate difference 28.6%; p = 0.06). Dyspepsia symptom severity at the end of treatment also differed significantly between verum acupuncture and sham acupuncture groups (5.9 units vs 3.7 units; between-group difference 2.2 (95% CI, 0.2–4.2); p = 0.04). No serious adverse events occurred. Conclusion: Four weeks of acupuncture may represent a potential treatment for postprandial distress syndrome. The treatment protocol and outcome measures used in this trial were feasible. Since this was a pilot study, the efficacy of acupuncture still needs to be determined by a larger, adequately powered trial. [ABSTRACT FROM AUTHOR]

Objective: We aimed to explore the feasibility of evaluating the comparative effectiveness and safety of electroacupuncture (EA) relative to manual acupuncture (MA) for the treatment of knee osteoarthritis (KOA). Methods: A multicenter randomized controlled clinical trial was conducted in Beijing from September 2017 to January 2018. A total of 60 participants with KOA were randomly allocated to either EA (n = 30) or MA (n = 30) groups. Participants in the EA group were treated with EA at six to seven local traditional acupuncture points or ah shi points, and two to three distal points. Participants in the MA group had the same schedule as the EA group except that the electrical apparatus featured a working power indicator without actual current output, constituting a sham EA procedure, in order to blind participants. Both groups received 24 sessions over 8 weeks. The primary outcome was response rate, defined as a change of ⩾50% from baseline in the total scores of the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) after 8 weeks. Secondary outcomes included pain, stiffness, function, quality of life, and acupuncture-related adverse events (AEs) at 4 and 8 weeks. Results: Of 60 participants randomized, 53 (88%) completed the study. Response rates were 43% for the EA group and 30% for the MA group by the intention-to-treat analysis. Although significant differences were observed in WOMAC pain, stiffness, and function scores within both groups, between-group differences at 8 weeks did not reach statistical significance (odds ratio = 1.75 (95% confidence interval = 0.593–5.162)). Rates of AEs were low and similarly distributed between groups. Conclusion: Both EA and MA interventions in KOA were feasible and appeared safe. Whether or not EA may have a stronger impact on pain and function requires further evaluation through larger, adequately powered, randomized controlled trials. Trial registration number: NCT03274713. [ABSTRACT FROM AUTHOR]

Background: Acupuncture has been advocated for as a potentially effective therapy for patients with knee osteoarthritis (KOA) in systematic reviews and guidelines. However, there is still a lack of agreement on the optimal therapeutic protocol for acupuncture. This aim of this study was to develop an expert consensus regarding the therapeutic protocol of acupuncture to guide doctors in clinical practice. Methods: An initial list of items was based on an overview of research evidence from four databases and clinical problem investigation with a multidisciplinary panel. A two-step process was used to optimize the list, including semi-structured interviews with three acupuncture clinical experts and a three-round Delphi consensus survey with the voting panel. A nine-point Likert-type scale (1 = strongly disagree, 9 = strongly agree) was used to measure agreement. Results: In total, 52 professionals (response rate: 52%) confirmed their participation in the voting panel. The initial list including 28 items was evaluated. Following a three-round Delphi survey, a consensus was achieved including 37 items that can be broadly categorized into six domains: (1) main treatment principles, (2) acupuncture treatment, (3) dose of acupuncture intervention, (4) primary outcomes, (5) adverse events and (6) others. Conclusion: This expert consensus could be used to guide doctors in clinical practice and help patients with KOA gain access to appropriate and coordinated acupuncture treatment. [ABSTRACT FROM AUTHOR]

Backgroud: Patients with multiple infarct dementia (MID) have subtle deficits that commonly go unnoticed, and are at risk of developing Alzheimer's disease. Oxidative stress induced by ischaemic injury results in intracellular calcium accumulation and neuronal apoptosis, leading to cognitive impairment by triggering various cellular signal transduction pathways. Several studies have suggested that NF-κB in the presence of p53 has a pro-apoptotic function in various models, but the mechanism is unclear. Aims: The aim of this study was to investigate whether acupuncture could protect cognitive function against cerebral multi-infarction (CMi) induced oxidative stress by inhibiting the activation of NF-κB and its target gene p53. Methods: An animal model of CMi was established by injecting homologous blood emboli into the right internal carotid artery of male Wistar rats. After 2 weeks of acupuncture treatment, cognitive function was detected by novel object recognition. Electron spin resonance and Fluo-3 fuorescence imaging were used to test the generation of ROS and intracellular calcium accumulation, respectively. Expression of NF-κB and p53 was examined by Western blot analysis and immunofluorescence. Results: CMi induced spatial learning and memory impairment, overproduction of intracellular hydroxyl radicals, and elevations of Ca2+, which were ameliorated by verum acupuncture treatment. Acupuncture inhibited activation of NF-κB and its downstream target gene p53. Conclusion: These findings suggest that acupuncture could protect cognitive function against oxidative stress induced by CMi, which is partially associated with suppression of NF-κB-p53 activation. [ABSTRACT FROM AUTHOR]

Background: Acupuncture is a widely used treatment for knee osteoarthritis, but evidence of its effectiveness from randomised controlled trials (RCTs) is contradictory. Objective: To systematically review RCTs to determine whether the effect of acupuncture is dose dependent for symptom management in knee osteoarthritis. Methods: Seven English/Chinese databases were searched through January 2017. Study quality was assessed using the Cochrane Collaboration tool. Slavin's qualitative best-evidence synthesis approach was used to provide methodological rigour. Included RCTs were separated into three categories according to the dose of acupuncture treatment: high dosage (HD), medium dosage (MD) and low dosage (LD). Correlation between dose and effect of treatment was analysed. Results: Eight RCTs with a total of 2106 subjects met the eligibility criteria. Numbers of studies using the various doses of acupuncture were 1 for LD, 1 for MD and 6 for HD, respectively. Compared with LD and MD acupuncture treatments, strong evidence showed that there was a positive correlation between HD acupuncture treatment and positive outcomes. Conclusion: The effect of acupuncture may be associated with dose of acupuncture, with a higher dosage related to better treatment outcomes in terms of relief of pain and dysfunction in patients with knee osteoarthritis. [ABSTRACT FROM AUTHOR]

Objective: To evaluate the effectiveness of acupuncture in patients with vascular cognitive impairment no dementia (VCIND) in comparison with citicoline, an agent for cognitive disturbances associated with chronic cerebral disorders. Design: A randomized controlled multicenter trial. Setting: In three hospitals in Beijing, China. Subjects: A total of 216 patients with VCIND were recruited. Interventions: Patients with VCIND (mean age of 65.4 years) were randomized to receive acupuncture (two sessions per week) or oral citicoline (100 mg three times daily) over three months. Main measures: The primary outcome was the change from baseline to three months in cognitive symptom, measured by Alzheimer's disease Assessment Scale, cognitive subscale (ADAS-cog). Secondary outcomes included changes from baseline to six months in ADAS-cog, executive function measured by the Clock Drawing Test (CDT), and functional disability measured by the Ability of Daily Living (ADL) scale at three and six months. Results: At three months, the acupuncture group had a greater decrease in mean ADAS-cog score (−2.33 ± 0.31) than the citicoline group (−1.38 ± 0.34) with a mean difference of −0.95 (95% CI, −1.84 to −0.07, P = 0.035). The mean change from baseline to six months in ADAS-cog also significantly favored acupuncture treatments (acupuncture change −2.61 vs citicoline −1.25, difference: −1.36 points; 95% CI, −2.20 to −0.51; P = 0.002). There was no difference between the two groups on CDT and ADL scores at either time point. Conclusion: Compared with citicoline, acupuncture has comparable and even superior efficacy with improved cognitive and daily living performance as a complementary and alternative medicine treatment for VCIND. [ABSTRACT FROM AUTHOR]

Objective: To evaluate the effectiveness of acupuncture for pain relief and function improvement in patients with knee osteoarthritis and to determine the feasibility of an eight-week acupuncture intervention. Design: Pilot randomized controlled trial. Setting: Three teaching hospitals in China. Subjects: Patients with knee osteoarthritis (Kellgren grade II or III). Interventions: Patients were randomly assigned to an eight-week (three sessions per week) intervention of either traditional Chinese acupuncture or sham acupuncture. Main measures: The primary outcome was response rate—the proportion of patients achieving score ⩾36% decrease in Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain and function at week 8 compared with baseline. Secondary outcomes included pain, function and quality of life. Results: Of 42 patients randomized, 36 (85.7%) completed the study. There was no significant difference in response rate between the traditional Chinese acupuncture and control groups: 61.9% (13 of 21) versus 42.9% (9 of 21) achieved score ⩾36% decrease in WOMAC pain and function at week 8 (P = 0.217). The sum of WOMAC pain and function scores at week 8 was 11.6 (9.1) in the traditional Chinese acupuncture group compared with 16.3 (10.9) in the control group (P = 0.183). There was no significant difference between groups. Three adverse events were recorded and were classified as mild. Conclusion: It showed that three sessions per week acupuncture intervention of knee osteoarthritis was feasible and safe. No difference was observed between groups due to small sample size. Larger (sample size ⩾ 296) randomized controlled trials of this intervention appear justified. [ABSTRACT FROM AUTHOR]