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He, W; Wedig, D; Wang, L; Gaischek, I; Litscher, G.
Violet laser acupuncture - Part 5: An investigation of different stimulation frequencies on heart rate and variability.
J Acupunct Meridian Stud. 2012; 5(6):290-294 Doi: 10.1016/j.jams.2012.07.021 [OPEN ACCESS]
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Führende Autor*innen der Med Uni Graz
Litscher Gerhard
Co-Autor*innen der Med Uni Graz
Gaischek Ingrid
Wang Lu

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Violet laser acupuncture was recently described by our research group. Neurochemical studies of acupuncture analgesia revealed that 2- and 100-Hz peripheral stimulation induce differential peptide release from preproenkephalin and preprodynorphin via different neural pathways. The goal of the fifth part of this series was to perform a pilot investigation on the effects of 2- and 100-Hz violet laser acupuncture on heart rate (HR) and its variability (HRV) in 13 healthy volunteers (mean age ± standard deviation: 23.9 ± 1.7 years) using a new non-invasive method. We found a significant difference in mean HR before, during, and after 2- or 100-Hz violet laser acupuncture, and there was a significant difference of the low frequency/ high frequency ratio before, during, and after 2- or 100-Hz violet laser acupuncture. However, we did not observe a significant difference in total HRV before, during, or after treatment. Further studies should be carried out to compare the effects of different violet laser acupuncture frequencies.
Find related publications in this database (using NLM MeSH Indexing)
Acupuncture Therapy - methods
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Heart Rate -
Humans -
Laser Therapy - methods
Lasers -
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Pilot Projects -
Reference Values -
Young Adult -

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