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Home > Newsletters > June 2006 > Recent Research

Points - Recent Research

Double-Blind, Placebo-Controlled trial of the Pain-Relieving Effects of the Implantation of Gold Beads into Dogs with Hip Dysplasia

Analgesic Effect of Electroacupuncture in Postthoracotomy Pain

Cytoprotective Effects of Lycium Barbarum Against Reducing Stress on Endoplasmic Reticulum

Double-Blind, Placebo-Controlled trial of the Pain-Relieving Effects of the Implantation of gold Beads into Dogs with Hip Dysplasia

Jaeger GT, et al. Department of Companion Animal Clinical Sciences, Norwegian School of Veterinary Science, po Box 8146 Dep, N-0033 Oslo, Norway

Seventy-eight dogs with pain due to hip dysplasia were studied in a controlled, double-blind clinical trial to evaluate gold bead implantation as a pain-relieving treatment. The dogs were randomly assigned to two groups, 36 in the gold implantation group and 42 in the placebo group. Both groups were treated equally regarding anaesthesia, hair clipping and penetration of the skin with the same type of needle. The gold implantation group had small pieces of 24 carat gold inserted through needles at five different acupuncture points and the placebo group had the skin penetrated at five non-acupuncture points so as to avoid any possible effect of stimulating the acupuncture points. A certified veterinary acupuncturist marked the points, and two surgeons performed the implantations according to a randomisation code made in advance. After 14 days, three months and six months, the owners assessed the overall effect of the treatments by answering a questionnaire, and the same veterinarian examined each dog and evaluated its degree of lameness by examining videotaped footage of it walking and trotting. The treatment was blinded for both the owners and the veterinarian. There were significantly greater improvements in mobility and greater reductions in the signs of pain in the dogs treated with gold implantation than in the placebo group. The veterinarian's and the owners' assessments corresponded well.

Vet Rec. 2006 May 27;158(21):722-726

Source PubMed

Analgesic Effect of Electroacupuncture in Postthoracotomy Pain

Wong RH, et al. Division of Cardiothoracic Surgery, Department of Surgery, Prince of Wales Hospital, Shatin, Hong Kong, SAR, China

BACKGROUND: The role of electroacupuncture in postthoracotomy pain control is uncertain. We conducted a pilot study to evaluate the role of electroacupuncture in the management of early postthoracotomy wound pain. METHODS: A total of 27 patients with operable non-small cell lung carcinoma who received thoracotomy were recruited and randomized to receive either electroacupuncture or sham acupuncture in addition to routine oral analgesics and patient-controlled intravenous analgesia for postoperative pain control. All patients received acupuncture twice daily with visual analog pain score recorded for the first 7 postoperative days. Specific chest acupoints (LI 4, GB 34, GB 36, and TE 8) were targeted. Patient-controlled analgesia was used for the first 3 postoperative days in all patients, and the cumulative dosage used was recorded. RESULTS: Two patients were excluded after randomization because of complications unrelated to acupuncture. Interventions and data collection were completed for the remaining 25 patients (13 in the electroacupuncture group; 12 in the sham acupuncture group). There was a trend for lower visual analog scale pain scores in the electro-acupuncture group between postoperative days 2 and 6, although this did not reach statistical significance. The cumulative dose of patient-controlled analgesia morphine used on postoperative day 2 was significantly lower in the electroacupuncture group ( 7.5 +/- 5 mg versus 15.6 +/- 12 mg; p < 0.05). Such delay of onset of pain control may be related to the frequency of electroacupuncture used. CONCLUSIONS: Electroacupuncture may reduce narcotic analgesic usage in the early postoperative period. A prospective randomized controlled trial using different electroacupuncture frequency is warranted to verify this benefit.

Ann Thorac Surg. 2006 Jun;81(6):2031-2036

Source: PubMed

Cytoprotective Effects of Lycium Barbarum Against Reducing Stress on Endoplasmic Reticulum

Yu MS, et al. Laboratory of Neurodegenerative Diseases, Department of Anatomy, The University of Hong Kong, Hong Kong, SAR

Chinese medicinal herbs have been consumed for thousands of years for the purpose of healthy aging. Lycium barbarum is valued in Chinese culture for its benefits to anti-aging, vision, kidney and liver. Recent studies showed that extracts from L. barbarum possess biological activities including anti-aging, anti-tumor, immune-stimulatory and cytoprotection. Most of these studies emphasized that the protective function of L. barbarum is due to its anti-oxidative effects. We have previously demonstrated that extract from L. barbarum can protect neurons against beta-amyloid (Abeta) peptide-induced apoptosis. Since Abeta toxicity may be mediated via oxidative stress, it is still unclear whether the extract from L. barbarum is a simple anti-oxidant exhibiting cytoprotective effects. We hypothesized that extract from L. barbarum is not simply an anti-oxidant in order to function as a neuroprotective agent. The aim of this study is to investigate whether the extract from L. barbarum (LBG) protect neurons via mechanisms independent of anti-oxidative effects. Using a reducing agent, dithiothreitol (DTT), we found that LBG exhibits cytoprotective effects against reducing stress by lowering the DTT-induced LDH release and caspase-3 activity. DTT can trigger endoplasmic reticulum (ER) stress leading to PKR-like ER kinase (PERK) activation. We also showed that LBG attenuates DTT-induced PERK phosphorylation. The extract from L. barbarum is not simply an anti-oxidant; it can also exhibit cytoprotective effects against reducing stress by DTT.

Int J Mol Med. 2006 Jun;17(6):1157-61

Source: PubMed



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This Month's Articles

June 2006
Volume 4, Number 6

A Conversation with Dr. Maoshing Ni About the Secrets of Longevity

Controlling Crohn’s Disease and Colitis with TCM

Kentucky Passes First Acupuncture Law

Recent Research

Ask The Doctor

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