Is Skin-Touch Sham Needle Not Placebo? A Double-Blind Crossover Study on Pain Alleviation.

Is Skin-Touch Sham Needle Not Placebo? A Double-Blind Crossover Study on Pain Alleviation.
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DOI:
10.1155/2015/152086
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发表时间:
2015
期刊:
Evidence-based complementary and alternative medicine : eCAM
影响因子:
--
通讯作者:
Takakura N
Takakura N
中科院分区:
其他
文献类型:
--
作者:
Takayama M;Yajima H;Kawase A;Homma I;Izumizaki M;Takakura N

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安慰剂/假针灸,即针尖按压皮肤,是否可以用作研究疼痛的安慰剂设备,仍是一个悬而未决的问题。我们对23名健康志愿者采用双盲交叉对照的方法,比较了皮肤接触安慰剂针头和非接触安慰剂针头不接触皮肤的止痛效果。受试者在留针前、留针时和拔针后分别在前臂进行疼痛电刺激,并用视觉模拟评分法评定疼痛强度。在治疗前、治疗中和治疗后的各个时间点,皮肤触摸安慰剂针组、非接触安慰剂组和非治疗对照组的止痛效果均无显著差异(p>0.05)。结果表明,皮肤触摸式安慰剂针可作为安慰剂用于疼痛的临床研究。
It remains an open question whether placebo/sham acupuncture, in which the needle tip presses the skin, can be used as a placebo device for research on pain. We compare the analgesic effect of the skin-touch placebo needle with that of the no-touch placebo needle, in which the needle tip does not touch the skin, in a double-blind crossover manner including no-treatment control in 23 healthy volunteers. The subjects received painful electrical stimulation in the forearm before and during needle retention to the LI 4 acupoint and after the removal of the needle and rated pain intensity using a visual analogue scale. We found no significant difference in analgesic effects among the skin-touch placebo needle, no-touch placebo needle, and no-treatment control at every point before, during, and after the treatments (p > 0.05). The results indicate that the skin-touch placebo needle can be used as a placebo device in clinical studies on pain.
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