歲月麻醉

Anesthesia,Joyful Life

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腰硬聯合穿刺的技術困難

腰硬聯合有其優點,但也有其缺憾,整體來說,一點穿刺與兩點穿刺,各有其利弊,臨床運用需個別差異考量,靈活不拘一格。


選擇L3-4,行CSEA,進針一半左右遇骨質,稍改變進針方向,略作調整後獲得突破感,注射器推帶空氣的生理鹽水無阻力,遂插入腰麻針,但過了硬膜外針後卻有頂到骨質的感覺,無法繼續進針。回抽也無腦脊液流出。以為是進針方向過偏,於是又退針,調整方向,再次獲得突破感,但腰麻針還是無法進入,此後又反覆從幾個方向調整,均可獲得硬膜外的突破感,但腰麻針就是無法進針。於是主任只好親自上台了。主任試了幾次以後結果也還是一樣,於是決定改L2-3進針。可是同樣的問題再次發生了!連續試了幾次以後,只好放棄腰麻,予置入硬膜外導管,留置4cm,


「獲得硬膜外的突破感,但腰麻針就是無法進針」,在腰硬聯合麻醉時,偶可碰到,印象中還有一定比例!因條件所限,沒法做影像學追蹤。遇到這種情況,一部分病例重新行硬膜外穿刺後,腰麻針可順利進入,腦脊液通暢;一部分病例放棄腰麻,直接放置硬膜外導管,此時有的置硬膜外導管通暢,有的置管受阻或無法置管。
對於上述情況,只能根據解剖做各種猜測:硬膜外穿刺針偏移正中位。


此問題一再有戰友提問,且是本檔目的第二個問題,沒有影像,就貼一張圖給您參考。

同時可以參考風雨同版主的舊帖 - [每週一問]NO.24- reasons for failure to obtain CSF when performing combined spinal epidural anesthes

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