歲月麻醉

Anesthesia,Joyful Life

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如何準確定位腰麻穿刺點?

答案是沒有,因為有兩個因素會影響定位。


1. 病人姿勢,檯面平整度 
2. 解剖變異 (無法預測)


如何在定位可能有變異情況下,安全的實施半身麻醉呢?最重要的是慎選麻醉方式,依照麻醉的需求選擇麻醉方式,而不事先選擇麻醉方式,來迎合麻醉需求,怎麼說呢?比如,同樣是半身麻醉,脊麻有困難的時候,也可以改用硬膜外,腰硬聯合有困難,也不必勉強,這樣就可以避免過高錐體水平的穿刺。其次,如果一定要有蜘蛛網膜下穿破的術式,不要穿刺過深,是避免刺傷錐體或神經的不二法門。


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