What are the side effects of epidural anesthesia needles?

Its complications mainly have ten aspects

First: pierce the dura;

Second: The puncture needle or catheter is mistakenly inserted into the blood vessel. This situation is generally detected in time, but sometimes the catheter opening is blocked by small blood clots and sucks back without blood, and the local anesthetic will be directly injected into the blood vessel to cause a toxic reaction;

Third: air embolism, which is mainly because the puncture needle damages the epidural blood vessels. The gas injection test provides a way for the gas to enter the circulation. If the air intake exceeds 10 ml, there is a possibility of death.

Fourth: pierce the pleura

Fifth: Broken catheter

Sixth: General spinal anesthesia, mainly because the puncture needle or catheter was mistakenly entered into the subarachnoid space and failed to be detected in time, and local anesthetics several times more than the amount of spinal anesthesia were injected into the subarachnoid space, resulting in abnormally extensive block, mainly manifested as all There is no pain sensation, hypotension, loss of consciousness and respiratory arrest in the spinal nerve innervation area. These symptoms appear a few minutes after the injection, and cardiac arrest may occur if not treated in time. This is the most serious complication.

Seventh: Abnormal wide block, this is not general spinal anesthesia, although the block range is wide, it is still segmental.

Eighth: Spinal nerve root or spinal cord injury

Ninth: Epidural hematoma, although rare, ranks first among the causes of epidural anesthesia complicated by paraplegia

Tenth: including infection of the epidural space and infection of the subarachnoid space

The right uncomplicated epidural does not affect the brain

As for which anesthesia is safer, from an anesthesiologist's point of view, of course, it is safe to use his own skilled methods. What kind of anesthesia is used is not just one aspect. Take appendicitis as an example. Epidural is definitely better than local anesthesia. , Local anesthesia cannot guarantee the block range, and it will definitely hurt. Local anesthesia is usually performed by the surgeon himself. For example, if there is a small superficial tumor in the lower extremity, there is no need for epidural anesthesia. The type of anesthesia depends on the specific surgery.

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