| Characteristics of electrical skin resistance at acupuncture points in healthy humans. | |
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MedLine Citation:
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PMID: 19422323 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: The aim of this study was to evaluate the phenomenon of electrical skin resistance (ESR) changes at different acupuncture points (APs). SETTING: This single-blinded study was performed at the hospital of the University of Munich. DESIGN: Six common APs were measured (TE5, PC6, LU6, ST36, SP6, GB39) in 53 subjects. Subgroups were formed with varying time intervals for follow-ups (1 minute, 1 hour, 1 week) and a varying grade of reduction of the stratum corneum. METHODS: Electrical skin resistance measurements (ESRMs) were taken from a skin area of 6 x 6 cm using an array consisting of 64 (8 x 8) electrodes. The electrodes corresponding to the AP were located and the ESRM results were compared to those of the surrounding electrodes. The methodological setting made it possible to minimize major influence factors on electrical skin impedance measurements. RESULTS: A total of 631 ESRMs was evaluated: In 62.8% of the measured APs, no significant ESR difference was found. In 234 (37.2%) of the ESRMs, the ESR at the AP was significantly different from the surrounding skin area, with 163 (25.9%) points showing a lower and 71 (11.3%) points showing a higher ESR. Reproducibility was extremely high after 1 minute but was low after 1 hour and 1 week. CONCLUSIONS: This study shows that electrical skin resistance at APs can either be lower or higher compared to the surrounding area. The phenomenon is characterized by high short-term and low long-term reproducibility. Therefore, we conclude that APs might possess specific transient electrical properties. However, as the majority of the measured APs did not show a changed ESR, it cannot be concluded from our data that electrical skin resistance measurements can be used for acupuncture point localization or diagnostic/therapeutic purposes. |
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Authors:
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Sybille Kramer; Kathrin Winterhalter; Gabriel Schober; Ursula Becker; Bernhard Wiegele; Dieter F Kutz; Florian P Kolb; Daniela Zaps; Philip M Lang; Dominik Irnich |
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Publication Detail:
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Type: Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of alternative and complementary medicine (New York, N.Y.) Volume: 15 ISSN: 1557-7708 ISO Abbreviation: J Altern Complement Med Publication Date: 2009 May |
Date Detail:
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Created Date: 2009-05-19 Completed Date: 2009-07-28 Revised Date: 2009-10-28 |
Medline Journal Info:
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Nlm Unique ID: 9508124 Medline TA: J Altern Complement Med Country: United States |
Other Details:
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Languages: eng Pagination: 495-500 Citation Subset: IM |
Affiliation:
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Multidisciplinary Pain Centre, Department of Anaesthesiology, University of Munich, Munich, Germany. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Acupuncture* Acupuncture Points* Adolescent Adult Electric Impedance Female Galvanic Skin Response* Humans Male Single-Blind Method Young Adult |
| Comments/Corrections | |
Comment In:
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J Altern Complement Med. 2009 Oct;15(10):1059
[PMID:
19821715
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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