So what are the effective preventive measures for the puncture needle for epidural block that has been pierced?

01

Use 25G～27G non-cutting subarachnoid puncture needle

02

If a cutting subarachnoid puncture needle is used, the oblique port of the puncture needle should be inserted in the direction parallel to the long axis of the spine

03

In the epidural resistance disappearance experiment, the use of incompressible media (usually normal saline) has a lower incidence of accidental penetration of the spinal dural membrane than the use of air

04

After accidentally piercing the dura mater, indwelling the catheter in the subarachnoid space for more than 24 hours can reduce the incidence of headaches after piercing the dura mater

Summarize  

The above is the recommended method given by the consensus on epidural block in our country. In addition, in our actual clinical operation, the teaching teachers advocated "90° rotation + slow needle insertion", which is more effective. Probability avoids the scene we described at the beginning.

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