Why does anesthesia on the spine hurt after surgery?

You are using an epidural anesthesia needle. When administering anesthesia, a thicker needle (1.5 mm in diameter) is first used to percutaneously pass through the skin, subcutaneous tissue, supraspinous ligament, interspinous ligament, and ligamentum flavum to reach the dura. The external cavity, where the nerve roots pass, is injected with anesthetics to achieve anesthesia. The above ligaments are composed of fibrous connective tissue. This tissue is dense, with poor blood supply and poor ductility. Coarse needle puncture can damage some tissue fibers. On the one hand, due to poor blood supply, the ligaments heal slowly. important organization. So there is pain when moving. Don't worry about your situation, pay attention to rest, apply heat, it will get better after a while

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