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首页> 外文期刊>Journal of orofacial pain. >Intramuscular Temperature Modulates Glutamate-Evoked Masseter Muscle Pain Intensity in Humans
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Intramuscular Temperature Modulates Glutamate-Evoked Masseter Muscle Pain Intensity in Humans

机译：肌内温度调节人谷氨酸诱发的咬肌肌肉疼痛强度。

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Aims: To determine whether glutamate-evoked jaw muscle pain is altered by the temperature of the solution injected. Methods: Sixteen healthy volunteers participated and received injections of hot (48°C), neutral (36°C), or cold (3°C) solutions (0.5 mL) of glutamate or isotonic saline into the masseter muscle. Pain intensity was assessed with an electronic visual analog scale (eVAS). Numeric rating scale (NRS) scores of unpleasantness and temperature perception, pain-drawing areas, and pressure pain thresholds (PPTs) were also measured. Participants filled out the McGill Pain Questionnaire (MPQ). Two-way or three-way repeated measures ANOVA were used for data analyses. Results: Injection of hot glutamate and cold glutamate solutions significantly increased and decreased, respectively, the peak pain intensity compared with injection of neutral glutamate solution.
机译：目的：确定是否因注射溶液的温度改变了谷氨酸引起的下颌肌肉疼痛。方法：16名健康志愿者参加并接受了在咬肌中注射谷氨酸或等渗盐水的热（48°C），中性（36°C）或冷（3°C）溶液（0.5 mL）的注射。用电子视觉模拟量表（eVAS）评估疼痛强度。还测量了不适和温度感知，疼痛区域和压力疼痛阈值（PPT）的数字评分量表（NRS）得分。参与者填写了麦吉尔疼痛问卷（MPQ）。使用两向或三向重复测量ANOVA进行数据分析。结果：与中性谷氨酸溶液相比，注射热谷氨酸溶液和冷谷氨酸溶液分别显着增加和减少峰值疼痛强度。

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