The Impact of Asynchronous Electroacupuncture Stimulation Duration on Cold Thermal Pain Threshold
The Impact of Asynchronous Electroacupuncture Stimulation Duration on Cold Thermal Pain Threshold
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DOI：
10.1213/ane.0b013e3181ad9292
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发表时间：
2009-09-01
影响因子：
5.7
通讯作者：
Kain, Zeev N.
中科院分区：
文献类型：
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作者：
Wang, Shu-Ming;Lin, Eric C.;Kain, Zeev N.
异步电针的持续时间可以影响所产生的痛觉减退。健康志愿者随机接受不同持续时间（0分钟，20分钟，30分钟，或40分钟）的异步电针刺激（交替低/高[2/100 Hz]频率在5 mA）。使用人类实验冷热痛阈模型，我们发现与0、20或40 min刺激相比，30 min的异步2/100 Hz刺激导致最显著的痛觉减退效应，并且在刺激后至少持续60 min（P < 0.05）。我们得出结论，异步电刺激的最佳持续时间为30分钟（Anesth Analg 2009;109：932-5）。
The durations of asynchronous electroacupuncture can affect the resultant hypoalgesia. Healthy volunteers were randomized to receive different durations (0 min, 20 min, 30 min, or 40 min) of asynchronous electroacupuncture stimulations (alternating low/high [2/100 Hz] frequency at 5 mA). Using a human experimental cold thermal pain threshold model, we found that 30 min of asynchronous 2/100 Hz stimulation resulted in the most significant hypoalgesic effect that was sustained for at least 60 min after stimulation compared with 0-, 20-, or 40-min stimulations (P < 0.05). We conclude that the most optimal duration for asynchronous electroacupunclure stimulation is 30 min. (Anesth Analg 2009;109:932-5)