Methods 22 patients with median nerve injury are compared with 22 healthy controls in terms of distant and near latency, distant and near wave amplitude and MNCV. MP of patients including abductor pollicis brevis, flexor hallucis brevis and opponens pollicis are examined before MNCV tests.
另将22例健康受试者作为对照组,在同条件下进行检查。MNCV测定指标包括:远、近端潜伏期,远、近端波幅,MNCV值。
In patients with reduced amplitude of compound muscle action potential ( CMAP) 87.2% EMGs of short abductor of pollicis brevis were abnormal.
复合肌肉动作电位(CMAP)波幅降低者中拇短展肌肌电图异常者占87.2%;
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