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      Effect of Laser Acupuncture on Disuse Osteoarthritis: An Ultrasound Biomicroscopic Study of Patellar Articular Cartilage in Rats

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          Abstract

          To investigate the effect of laser acupuncture (LA) on disuse changes in articular cartilage using ultrasound biomicroscopy (UBM), Eighteen rats were randomly divided into the control group (C), the tail-suspended group (T), and the tail-suspended with LA treatment group (L). During 28-day suspension period, group L were treated with LA at acupoints on the left hindlimb while group T had a sham treatment. Ultrasound roughness index (URI), integrated reflection coefficient (IRC), integrated backscatter coefficient (IBC), cartilage thickness, and ultrasonographic score (US) of articular cartilage at patella were measured by using an ultrasound biomicroscopy system (UBS). Compared with the group C, URI significantly ( P < 0.01) increased by 60.9% in group T, increased by 38.1% in group L. In addition, unloading induced a significant cartilage thinning ( P < 0.05) in group T, whereas cartilage thickness in group L was 140.22 ± 19.61  μ m reaching the level of the control group (147.00 ± 23.99  μ m). There was no significant difference in IRC, IBC, and US among the three groups. LA therapy could help to retain the quality of articular cartilage which was subjected to unloading. LA would be a simple and safe nonpharmacological countermeasure for unloading-induced osteoarthritis. The UBM system has potential to be a sensitive, specific tool for quantitative assessment of articular cartilage.

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          Most cited references 47

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          Acclimation during space flight: effects on human physiology.

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            Global trends and performances of acupuncture research.

            This study was designed to evaluate the global scientific output of acupuncture research in the Science Citation Index-Expanded and to assess the tendencies and research performances of leading countries/territories and institutes. Articles referring to acupuncture were assessed by distribution of document types, languages, journals, subject categories, source countries, and source institutes. Results showed that 15 languages were represented in articles from 65 countries/territories. Journal of Alternative and Complementary Medicine published the most articles, followed by American Journal of Chinese Medicine and Acupuncture & Electro-Therapeutics Research which were listed in category of integrative & complementary medicine. In the study period of 1991-2009, USA was the top producing country, followed by China (mainland) with a sharply growth trend. In 2009, publication of China (mainland) ranked top one in the world. In addition, an acupuncture research trend was found in two phases in terms of the increase of number of SCI-expanded journals' articles. Among the acupuncture research, pain control has been the most prevalent direction of study, and brain imaging is attracting the most recent attention. Copyright © 2010 Elsevier Ltd. All rights reserved.
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              Acupuncture Theory Efficacy and Practice

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                Author and article information

                Journal
                Evid Based Complement Alternat Med
                Evid Based Complement Alternat Med
                ECAM
                Evidence-based Complementary and Alternative Medicine : eCAM
                Hindawi Publishing Corporation
                1741-427X
                1741-4288
                2012
                19 July 2012
                19 July 2012
                : 2012
                Affiliations
                1Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong
                2Institute of Medical Information, School of Biomedical Engineering, Southern Medical University, Guangzhou, China
                3Department of Hand Surgery, Tsinghua University, Yuquan Hospital, Beijing 100049, China
                4Interdisciplinary Division of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong
                Author notes

                Academic Editor: Vitaly Napadow

                Article
                10.1155/2012/838420
                3408823
                22888368
                Copyright © 2012 Qing Wang et al.

                This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                Categories
                Research Article

                Complementary & Alternative medicine

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