正常成人腭帆張肌肌電生理研究
[Abstract]:Objective to establish a method of electromyography (EMG) of (tensor veli palatini,TVP, and to obtain and analyze the electromyography (eletromyography,EMG) characteristics of TVP in healthy people. Methods under nasal endoscopy, 20 healthy adults were treated with the anterior inferior 3mm of eustachian tube and cleft palate as the midpoint of the electrode insertion point, from which the lower about 2~3mm was inserted into the top and the lower point as the electrode, respectively. The subjects were asked to perform a series of swallowing actions to record the EMG waveforms of TVP during swallowing and to compare the waveforms of EMG at different electrode insertion points and at different scanning speeds. Results when the electrode was located on the TVP and the scanning speed was 5ms/div, the EMG, of 38 TVP in 20 subjects was recorded. The EMG pattern could be obtained more accurately and stably. The contraction duration of TVP was 0.863 鹵0.255s, the peak voltage was 445.100 鹵246.808 渭 V, and the EMG wave pattern was interference phase, the contraction of both sides of TVP was synchronous during swallowing, and no hysteresis was observed. The duration of action potential was 9.142 鹵2.178 Ms, the amplitude of action potential was 254.260 鹵191.544 渭 V, and the pattern of action potential was mostly 2 ~ 3 phase waveform. Conclusion when the electrode is located on the TVP and the scanning speed is 5ms/div, a more stable EMG pattern can be obtained and the normal range of TVP EMG parameters in normal adults can be obtained.
【作者單位】: 廣西壯族自治區(qū)人民醫(yī)院耳鼻咽喉頭頸腫瘤科;廣西醫(yī)科大學(xué)第一附屬醫(yī)院耳鼻咽喉頭頸外科;湖北理工學(xué)院醫(yī)學(xué)院;
【分類號】:R766.04
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