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Ganglion Impar Block

What does Ganglion Impar Block mean?

Here is the meaning of each word:

  1. Ganglion Impar: a bundle of nerves (ganglion) at the end of the tailbone
  2. Block: to block a nerve from functioning

Altogether, “Ganglion Impar Block” means to block the function of the bundle of nerves (ganglion) at the end of the tailbone.

Why is a Ganglion Impar Block done?

Blocking the nerves of the Ganglion Impar can help with pain at the end of the tailbone (sacrum), such as pain from a broken tailbone.

How is a Ganglion Impar Block done?

Here are some of the steps of how this procedure is done?

  1. This procedure is usually done in a Procedure Room or Operating Room.
  2. The patient is place on the stomach (prone).
  3. The skin around the tailbone is cleaned with a sterile antiseptic solution. Sheets (drapes) are placed around the site.
  4. Local anesthetic is injected under the skin.
  5. An X-Ray machine is used to visualize the tailbone (sacrum).
  6. A small specialized needle (spinal needle) is placed in front of the end of the tailbone (sacrum).
  7. A small amount of contrast dye (fluid which appears dark on an X-Ray) is injected to verify the correct position of the tip of the needle.
  8. Medication is now injected onto the Ganglion Impar. This medication can be a steroid and/or a Local Anesthetic.
  9. The needle is removed.
  10. A band-aid is placed.
  11. The patient is turned onto the back and brought to the Recovery Area.

How long does it take to perform a Ganglion Impar Block?

This procedure takes about 10-15 minutes to complete.

What type of benefit can I expect from a Ganglion Impar Block?

The benefit from injections can vary. For chronic tailbone pain, this injection can relieve pain for weeks to months.