Sequelae of the nerve block injection

The sequelae of nerve block needle will appear nerve injury, local anesthetic poisoning, vascular injury, bleeding hematoma, and even lead to paraplegia. Injection of nerve block needle is a kind of blind puncture, which may cause reversible or permanent damage to the human nerve root. Reversible nerve damage will recover automatically in a short time, and permanent nerve damage will cause sensory and motor nerve impairment. In the process of blind puncture of nerve block needle, blood vessels will be damaged, and a small amount of anesthetic fluid may be injected into the blood vessels, causing local anesthetic poisoning. If the blood vessels are damaged, the coagulation function will be poor, and local hematoma will be formed. If anesthetics are injected into the spinal canal, it may compress the spinal nerve and cause paralysis, and there will be irreversible neurological complications. The injection of nerve block needles must be taken to the regular tertiary hospital, and the use must be carefully chosen.

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