A sympathetic nerve block at the front of the neck, used for nerve pain of the head, neck and arm.
What it is
The stellate ganglion is part of the sympathetic nervous system. Blocking it interrupts sympathetic signalling to the head and arm, which can break the cycle in conditions where that system has become part of the problem.
What we use it for
- Complex regional pain syndrome (RSD) of the arm
- Some post-traumatic head and face pain
- Selected vascular and nerve pain of the upper limb
What to expect
- You lie on your back with the neck slightly extended, under image guidance.
- Takes about 15 minutes.
- Expect a droopy eyelid, a bloodshot eye, a stuffy nose and a hoarse voice on that side for a few hours — these confirm the block worked and they wear off.
- You will need a driver, and you should not eat for a short period afterwards if the voice is affected.
Risks
Every injection carries a small risk of bleeding, infection, an allergic reaction, or a temporary increase in pain. Steroid can raise blood sugar for several days, which matters if you are diabetic. Serious complications are rare, and we will go through the specific risks for your procedure and your health before you consent to anything.
To discuss whether this is appropriate for you, call (314) 310-5577 or request an appointment.
Common questions
Is the droopy eyelid a complication?
No — it is the expected sign of a successful block and resolves within hours.
How many will I need?
CRPS is usually treated with a series, because the aim is to interrupt a cycle and allow rehabilitation, not to provide one afternoon of relief.
Hurt in an accident? Start here.
You do not need a lawyer, a police report or a referral to be seen. Bring your symptoms and we will work out the rest.
Monday–Friday, 8:00 a.m. – 4:00 p.m. Same-day appointments are often available for new accident and injury patients.