What are the advantages of epidural anesthesia over spinal anesthesia?

The specifics are as follows (1) Epidural anesthesia can produce segmental block limited to the area of anesthesia surgery, such as for childbirth or thoracic anesthesia surgery;

(2) Gradual sympathetic block allows the anesthetist time to deal with hemodynamic changes such as hypotension;

(3) With the help of continuous catheter technology, there is more flexibility to prolong the block for longer anesthesia operations; anesthetists can add more local anesthetics for prolonged anesthesia operations or prolong postoperative analgesia time ;

(4) The blocking concentration has greater flexibility: if you want to reduce motor block (labor analgesia or postoperative analgesia), you can use a lower concentration of local anesthetic;

(5) Reduce the incidence of headache. In theory, there will be no post-spine headache without a hole in the dura. However, 0.5%-4% of epidural needles with larger diameter may be perforated. . About 50% of such patients need to deal with headaches. Because newer techniques in spinal needles have reduced the incidence of headaches to less than 1% requiring treatment, this advantage may no longer apply.

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