Does it hurt?

Spinal anesthesia is clinically called subarachnoid block. This anesthesia method requires the patient to take a lateral position to expose the puncture site. The L2-3 and L3-4 spaces are often used as the puncture point. During the puncture process, local anesthesia needs to be applied at the puncture site first, which will cause pain, and the pain will disappear after the drug is injected.

Then the puncture needle passes through the skin, subcutaneous fat, supraspinous ligament, interspinous ligament, ligamentum flavum, dura mater, arachnoid layer by layer, and finally reaches the subarachnoid space, and injects local anesthetic to produce anesthesia effect. There may be a feeling of soreness as it passes through the ligament.

The skin and subcutaneous fat generally have no special sensation due to the effect of local anesthesia. The last dura mater, arachnoid, generally do not feel pain. Therefore, only local anesthesia and passing through the ligaments are required in the whole process, which can produce mild pain, which can be tolerated in most cases.

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