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Sympathetic Nerve Blocks

This is a nerve block performed to determine if the source of pain is from sympathetic nerve fibers. These fibers are part of our nervous system and control basic functions of our body but they can also transmit painful impulses.

How it is performed

X-ray is used to help guide a needle into different nerve bundles. These may include the stellate ganglion, celiac plexus, hypogastric plexus, ganglion of impar and lumbar sympathetic chain. Sedation can be given for our patient’s comfort.

What patients are candidates?

Patients with nerve pain such as those with CRPS (Complex Regional Pain syndrome) in the arm or leg. Also patients with facial pain, abdominal pain, pelvic area pain, as well as coccydynia (tail bone) pain.

How long does the procedure take?

20-30 minutes


Following the injection, the patient may be monitored for 20-30 min before being discharged to go home. Patients are usually asked to rest on the day of the injection.