Difference between epidural and spinal anesthesia

There are two main differences between epidural and spinal anesthesia. 1. Different definitions: Epidural anesthesia mainly refers to the injection of local anesthetic into the epidural space to block the conduction function of some spinal nerves, while spinal anesthesia mainly refers to the injection of local anesthetic into the subarachnoid space to block the conduction of some spinal nerves. Function. 2. The operation methods are different: the two are roughly the same in terms of the puncture position, the needle insertion site, and the level that the needle passes through. But in epidural puncture, when the needle tip passes through the ligamentum flavum to the epidural space, the key to successful puncture is not to puncture the dura.

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