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頁籤選單縮合
題名 | 腕道症候群患者正中神經及尺神經傳導受溫度影響之比較 |
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作者 | 余世仁; 潘筱萍; 吳世福; | 書刊名 | 復健醫學會雜誌 |
卷期 | 22:2 1994.12[民83.12] |
頁次 | 頁59-65 |
分類號 | 415.831 |
關鍵詞 | 腕道症候群; 溫度; 神經傳導速度; 遠端潛期; Carpal tunnel syndrome; Temperature; Nerve conduction velocity; Distal latency; |
語文 | 中文(Chinese) |
中文摘要 | 本研究的目的在探討以腕道症候群(CTS)患者在不同的溫度下,比較其正中神經、尺神經的運動及感覺傳導潛期的變化,用以了解冷熱溫對CTS患者肌電診斷時可能的影響。本文收集22位CTS患者及正常者20位,分別將手置於室溫、冷溫及熱溫下各20分鐘後測量其神經傳導遠端潛期(distal latency, DL),兩組各測有30隻手,研究結果顯示: [1]在冷溫下正中神經傳導遠端潛期明顯比室溫下延長,並且此項增加值,在CTS組比在正常組為大:運動遠端潛期方面,CTS組增加平均1.93±1.23msec (+36.5%),正常組增加平均0.93±0.36msec (+26.5%);感覺遠端潛期方面,在CTS組增加平均1.08±0.67msec (+24.3%),正常組增加平均0.64±0.27msec (+20.6%)。 [2]在同組中以同一手的正中神經與尺神經做比較,以兩者遠端潛期相減所得差值DL(M-U)做比較,發現此項差值亦隨溫度降低而使其差值擴大,並且CTS組比正常組擴大更明顯:(1)運動DL (M-U)的差值平均方面,CTS組在室溫下2.87±1.50msec,在冷溫下4.23±1.92msec (+70.4%),而正常組在室溫下1.04±0.49msec,在冷溫下1.20±0.61msec (+24.2%)。(2)感覺DL (M-U)的差值平均方面,CTS組在室溫下1.83±0.92msec,在冷溫下2.35±1.03msec (+44.8%),而正常組在室溫下0.39±0.21msec,在冷溫下0.45±0.22msec (+12.4%)。 上述CTS組與正常組間的差異均具統計意義,根據此項結果,CTS患者的正中神經傳導不論運動或感覺遠端潛期,均比正常側或同側正常尺神經易受溫度降低而使其傳導延遲,此項發現顯示適當應用冷溫於腕道症候群患者之肌電檢查,應可具正面性之挑釁試驗價值。 |
英文摘要 | The purpose of this study is to compare the different nerve conduction responses of median nerve (MN) and Ulanr nerve (UN) in patients with carpal tunnel syndrome (CTS) after changing the temperature of hands. Thirty hands of CTS group were evaluated and compared to those of normal subjects by exposing the hands for 20 minutes to (1)room temperature (25℃), (2)cold water (15℃), and (3)hot packing (70℃). Then we measured the temperature, motor and sensory nerve conduction latencies of those hands immediately after each exposure. When comparing with room temperature, the distal latencies (DL) of both MN and UN increased after cold exposure for hands of each group: The percentage of delay of motor DL is 36.5% in CTS group and 26.5% in normals. The percentage of motor DL difference between MN and UN is 70.4% in CTS group while in normal hands it's 24.2%. The sensory latency discrepancy between MN and UN also increased more in CTS group. On the contrary, the conduction latency discrepancies did not change significantly between conditions of hot and room temperature. In a word, cold condition prolonged the distal latency more in CTS group than in normals and more for MN than that for UN of the same hand in CTS group. Therefore we can make a challenge test for those patients with borderlined CTS by means of cold exposure in the EMG laboratory. |
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