Ono J, Nagel D, Pfalz R
HNO. 1980 Mar;28(3):104-7.
A modified method for eliciting a stapedius reflex by electrical stimulation of the meatal skin is presented. In contrast to the acoustically elicited stapedius reflex, the electrically-induced response is only ipsilateral, and can be ablated by anesthesia of the meatal skin. Contralateral acoustical and ipsilateral electrical stimulations lead to a summation effect of the amplitude off the stapedius reflex. When presented simultaneously, subthreshold electrical and acoustical stimulations may produce a reflectory contraction of the stapedius muscle. Similar responses can be found in diseases of the middle ear and the facial nerve. The method described is not difficult to perform, is painless to the patient, and can be used objectively in neurotologic testing.
本文介绍了一种通过电刺激耳道皮肤引出镫骨肌反射的改良方法。与声学引出的镫骨肌反射不同,电诱发的反应仅为同侧,并且可通过耳道皮肤麻醉消除。对侧声学刺激和同侧电刺激会导致镫骨肌反射幅度的总和效应。当同时施加时,阈下电刺激和声刺激可能会引起镫骨肌的反射性收缩。在中耳和面神经疾病中也可发现类似反应。所描述的方法操作不难,对患者无痛,并且可在神经耳科学测试中客观使用。