舌再造术后舌部肌电及吞咽压的测定

The measurement of EMG and deglutition pressure after glossal reconstruction

本实验应用ＳＡＭＰ－ＥＭＧ软件，对１０名正常人及２０名Ⅱ２类舌缺损患者（其中１０例前臂皮瓣修复，７例胸大肌皮瓣修复及３例股薄肌皮瓣修复）作舌背表面肌电测定，计算肌电积分值，并作肌电功率谱分析。此外，还使用液压传导电子测压装置作吞咽压测定。实验结果表明：（１）ＳＡＭＰ－ＥＭＧ软件能较准确地反映出肌电活动情况；（２）正常人舌尖肌电能量最大，舌缘次之，以舌中份能量最弱；（３）各类修复（肌）皮瓣皆未测出有效肌电；（４）患者术后健侧舌部肌电较术前代偿性增强；（５）正常人吞咽压为２１．１±５．７ｋＰａ，舌修复术后较正常值低，股薄肌（ＧＣ）组为１４．６ｋＰａ，胸大肌（ＰＭ）组为１０．８ｋＰａ，前臂皮瓣（ＦＡ）组为１０．３ｋＰａ。

Newly designed computer system (SAMP-EMG)was untilized, to measure the myoelectric signal in each region of the dorsum surface of the tongue, computing the 100ms integral values and do the power spectral analysis in 10 normal people and 20 patients. At the same time, the pressure of deglutition was determined with the liquid presure conducting electronic device.The results were :①In normal EMG ,the myoelectric power in anterior tongue is the highest, that in the margin of the tougue is the second ,that in dorsum central area is the lowerest;②There in no effective myoelectric signal detected in any kind flap;③Normal swallowing pressure is 21. 1 ±5. 7kpa, the average value of FA is 10. 3kpa,PM is 10. 8,GC is 14. 6.