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題名 | 國人副深腓神經之電學診斷探討=The Accessory Deep Peroneal Nerve in Taiwanese: Detected by Electrodiagnostic Study |
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作者 | 蘇王麟; 姜義彬; 吳俊明; 楊百嘉; Su, Wang-lin; Chiang, Yi-pin; Wu, Jiunn-ming; Yang, Baii-jia; |
期刊 | 復健醫學會雜誌 |
出版日期 | 19980300 |
卷期 | 26:1 1998.03[民87.03] |
頁次 | 頁23-27 |
分類號 | 415.81 |
語文 | chi |
關鍵詞 | 副深腓神經; 電學診斷; 肌電圖; 腓神經損傷; Accessory deep peroneal nerve; Electrodiagnostic study; Electromyography; Peroneal nerve injury; |
中文摘要 | 副深腓神經是淺腓神經的一條變異分支。它的存在對於腓神經損傷的患者,在接受電學診斷時,可能造成誤判。國外報告約有20%的人有此變異。本研究藉由電學診斷的方法想了解國人副深腓神經變異的情形。判定有副深腓神經存在的標準有二:(1)刺激副深腓神經時有大於或等於0.2mV的綜合肌肉運動電位(2)刺激副深腓神經時可看到伸趾短肌收縮。兩者同時存在,認定為陽性。 研究結果顯示,在100位(男女各50位)受測者中,有23人(23%)有此變異;200隻受測的腳中共有28(14%)為陽性,而在性別及左右腳上並無統計學上的差異。國人的副深腓神經所支配伸趾短肌的肌纖維主要是負責伸展第四、第五腳趾,合計約佔75%,其中又以第五腳趾最多。若以例行性腓神經運動神經傳導檢查,於近端刺激所得之綜合肌肉運動電位波幅大於在遠端刺激所得之波幅,做為判定副腓神經的存在標準,其敏感度約為0.54,特異度約為0.93。 由本研究發現,國人副深腓神經的發生率頗高,故我們建議對於腓神經損傷的患者做電學診斷時應例行檢測副深腓神經,以確定其是否存在,避免誤判。 |
英文摘要 | The accessory deep peroneal nerve is a common anatomical variation in innervating the extensor digitorum brevis (EDB) muscle of the foot. Awareness of this anomaly is important in electro diagnostic study of peroneal nerve lesions. One hundred healthy Taiwanese, including 50 men and 50women, were tested for the presence of an accessory deep peroneal nerve by an electrodiagnostic method. The presence of a visible EDB twitch and n amplitude of the evoked muscle action potential of 0.2 mV or greater upon stimulation of the accessory deep peroneal nerve were taken as positive findings. this study showed that the EDB is at least partially innervated by the accessory deep peroneal nerve in 23 of 100 individuals tested (5 of them bilaterally) and there was no significant difference between men and women or right and left legs. Extension of the fourth or especially the fifth toe was the most frequent response to the stimulation of the accessory deep peroneal nerve. We feel the presence of an accessory deep peroneal nerve is based on demonstration of a larger amplitude of the evoked potential when this nerve is stimulated at the knee than when stimulated at the ankle. We found that the sensitivity and specificity of this diagnostic criterion were 0.54 and 0.93, respectively. Because of a high incidence of an accessory deep peroneal nerve and to avoid error, we suggest that this nerve should be studied as a routine procedure during electrodiagnostic study in patients with injured peroneal nerves. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。