Following administration of an epidural or spinalanesthetic, the patient should demonstrate the ability to void. This provides evidence that residual sympathetic blockade has dissipated.
椎管内麻醉病人应证明有排泄能力，这是骶部交感神经消失的证据。
2
This technique is most often performed under a general anesthetic but in certain situations may be done under local anesthesia with sedation or spinal anesthesia.
手术通常需要全身麻醉，有时也可能采用局部麻醉+镇静或脊髓麻醉。
3
Patients who have received a spinal or epidural anesthetic can only be discharged when full motor, sensory, and sympathetic function has returned.