HubMed - Acupuncture
Acupuncture on Yintang Point Decreases Preoperative Anxiety.
J Altern Complement Med. 2012 Dec 27;
Acar HV, Cuvaş O, Ceyhan A, Dikmen B
Abstract Objectives: The aim of this study was to investigate the effect of ear-press needle acupuncture on Yintang point for preoperative anxiety. Design: This was a prospective, randomized, single-blind, controlled study. Settings/location: The study setting was the Department of Anesthesiology in Ankara Training and Research Hospital of Ministry of Health, Ankara, Turkey. Subjects: The study comprised 52 adult surgical patients. Interventions: A single, 20-minute session of single-point acupuncture was applied on Yintang (acupuncture group) or sham point (sham acupuncture group). Outcome measures: The efficacy of acupuncture was evaluated by means of the changes in bispectral index (BIS) and STAI (State-Trait Anxiety Index). Results: BIS values in the acupuncture group were significantly lower than in the sham group in all time intervals (p<0.0042). BIS values were lower than baseline in the study group during the entire study period (p<0.0004) while no such effect has been observed in the sham group (p>0.0004). Mean values of state anxiety (STAI-S) decreased after acupuncture in the study group (p=0,018), while no change was observed in trait anxiety (STAI-T) (p=0.156). Patients of the sham group showed no change in both parameters (p=0.387 and p=0,116). Conclusions: Ear-press needle acupuncture on Yintang point reduces preoperative anxiety in adult surgical patients.
HubMed - Laser Acupuncture
Violet laser acupuncture - part 5: an investigation of different stimulation frequencies on heart rate and variability.
J Acupunct Meridian Stud. 2012 Dec; 5(6): 290-4
He W, Wedig D, Wang L, Gaischek I, Litscher G
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.
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