Richardson J K, Evans J E, Warner J H
Department of Physical Medicine and Rehabilitation, University of Michigan Medical Center, Ann Arbor 48109-0042.
Arch Phys Med Rehabil. 1994 Jun;75(6):671-5. doi: 10.1016/0003-9993(94)90192-9.
Pain during the performance of electromyography (EMG) is an important clinical problem because pain distresses the patient and can interfere with diagnostic accuracy. We hypothesized that anxiety and pain perception associated with EMG would decrease if patients received written material describing the EMG before examination. Forty-two subjects received written material and 30 did not. Information before the test significantly decreased pain perception for women during the nerve conduction studies (p = .008), but not during the needle examination. A similar effect was not identified for the men. Other results indicate that women perceive the test as more painful than do men, older subjects perceive more pain and experience greater anxiety than do younger subjects, and all subjects perceive greater pain during the performance of (concentric, bipolar) needle electromyography than during the nerve conduction studies.
肌电图检查（EMG）过程中的疼痛是一个重要的临床问题，因为疼痛会使患者痛苦，并可能干扰诊断准确性。我们推测，如果患者在检查前收到描述肌电图检查的书面材料，与肌电图检查相关的焦虑和疼痛感知将会降低。42名受试者收到了书面材料，30名受试者没有收到。测试前的信息显著降低了女性在神经传导研究期间的疼痛感知（p = 0.008），但在针电极检查期间没有降低。在男性中未发现类似效果。其他结果表明，女性比男性感觉该检查更痛苦，年长受试者比年轻受试者感觉到更多疼痛且经历更大焦虑，并且所有受试者在进行同心针电极肌电图检查期间比在神经传导研究期间感觉到更大疼痛。
