目的探討后骨間神經(jīng)病變患者的神經(jīng)電生理特點(diǎn)。方法納入15例后骨間神經(jīng)病變患者,對(duì)所有患者進(jìn)行針極肌電圖和神經(jīng)傳導(dǎo)檢查。觀察和記錄指總伸肌、尺側(cè)腕伸肌、肱橈肌、肱二頭肌、三角肌、拇對(duì)掌肌、小指展肌是否有纖顫電位、正銳波電位,運(yùn)動(dòng)單位電位(motor unit action potentials,MUAPs)的時(shí)限和波幅.以及募集相MUAPs的發(fā)放密度;檢測(cè)橈淺神經(jīng)、正中神經(jīng)、尺神經(jīng)感覺(jué)神經(jīng)電位(sensory nerve action potential,SNAP)波幅和感覺(jué)神經(jīng)傳導(dǎo)速度(sensory nerves conduction velocity,SCV);檢測(cè)橈神經(jīng)、肌皮神經(jīng)、腋神經(jīng)動(dòng)作電位復(fù)合肌肉動(dòng)作電位(compound muscle action potential,CMAP)波幅和末端潛伏期(distal motor latency,DML);檢測(cè)正中神經(jīng)、尺神經(jīng)動(dòng)作電位的DML、運(yùn)動(dòng)神經(jīng)傳導(dǎo)速度(Motor nerve conduction velocity,MCV)及CMAP波幅。應(yīng)用獨(dú)立樣本t檢驗(yàn)研究患側(cè)與健側(cè)橈淺神經(jīng)SCV及SNAP波幅、患側(cè)與健側(cè)橈神經(jīng)動(dòng)作電...

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【部分圖文】：

圖1垂指

表2雙側(cè)橈神經(jīng)動(dòng)作電位CAMP波幅的比較Table2ComparisonofCAMPamplitudeofbilateralradialnerve組別極小值極大值均數(shù)±標(biāo)準(zhǔn)差t值P值A(chǔ)組右側(cè)0.601.300.90±0.22-44.61....

圖3A:患側(cè)橈神經(jīng)動(dòng)作電位(記錄點(diǎn):尺側(cè)腕伸肌);B:健側(cè)橈神經(jīng)動(dòng)作電位(記錄點(diǎn):尺側(cè)腕伸肌)

圖2A:患側(cè)橈神經(jīng)動(dòng)作電位(記錄點(diǎn):指總伸肌);B:健側(cè)橈神經(jīng)動(dòng)作電位(記錄點(diǎn):指總伸肌)表3雙側(cè)橈神經(jīng)動(dòng)作電位DML的比較Table3ComparisonofDMLofbilateralradialnerve組別極小值極大值均數(shù)±標(biāo)準(zhǔn)差t值P值....

圖4A:患側(cè)橈神經(jīng)動(dòng)作電位(記錄點(diǎn):肱橈肌);B:健側(cè)橈神經(jīng)動(dòng)作電位(記錄點(diǎn):肱橈肌)

表3雙側(cè)橈神經(jīng)動(dòng)作電位DML的比較Table3ComparisonofDMLofbilateralradialnerve組別極小值極大值均數(shù)±標(biāo)準(zhǔn)差t值P值A(chǔ)組右側(cè)6.607.606.98±0.270.2170.831左側(cè)6.60....

圖2A:患側(cè)橈神經(jīng)動(dòng)作電位(記錄點(diǎn):指總伸肌);B:健側(cè)橈神經(jīng)動(dòng)作電位(記錄點(diǎn):指總伸肌)

圖1垂指圖3A:患側(cè)橈神經(jīng)動(dòng)作電位(記錄點(diǎn):尺側(cè)腕伸肌);B:健側(cè)橈神經(jīng)動(dòng)作電位(記錄點(diǎn):尺側(cè)腕伸肌)

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