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Brachial Plexus Injury during Surgery - Report of Two Cases

手術過程中造成之臂神經叢傷害-二病例報告

摘要


Brachial plexus is the most commonly injured peripheral nerve by malposition during operation. We present two cases of transient brachial palsy after surgery under general anesthesia. Symptoms of the first case persisted about 60 min. Electromyography (EMG) and nerve conduction velocity (NCV) revealed no abnormal finding three days later. In the second case, axonal neuropathy was found at left axillary and suprascapular nerves by EMG and NCV three weeks later. Symptoms persisted for three months and had complete remission after conservative treatment.

並列摘要


臂神經叢是周邊神經中最易於手術過程中因姿勢不良而造成傷害者。在已有的文獻報告中,全身麻醉的病人其發生率約為0.02%(3/15000),由於麻醉人員和外科醫生的逐漸了解,其發生率與二十年前比較起來,已經有了顯著的減少。我們報告兩個於手術過程中,因為姿勢不良而造成臂神經叢傷害的個案。第一個個案因升結腸腺癌施行右半結腸切除術,於麻醉甦醒後發現雙臂無法移動,在手術後第三天,進行肌電圖(EMG)和神經傳導速度(NCV)的檢查,並沒有任何異常發現。第二個個案因左肺自發性氣胸施行左肺肺泡切除術,同樣的於麻醉甦醒後發現左臂無法舉高,在手術後三週進行肌電圖與神經傳導速度檢查,發現左側肩胛上神經及腋神經有神經病變之情形,經進行三個月之保守治療後,症狀已完全解除。雖然這兩個個案都沒有留下永久性之傷害,但是仍然值得我們警惕與注意,以避免再度發生類似的個案。

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