Suprascapular nerve block

What is suprascapular nerve block?

Nerves conduct pain signals. suprascapular nerve block is a procedure to inject medications close to the nerve, near the shoulder joint, above the shoulder blade. It can help diagnose or treat certain types of shoulder pain.

What is injected in a nerve block?

Mostly, a combination of numbing medicine (local anaesthetics) and anti inflammatory cortisone (steroids) is injected near the nerve. The purpose is to calm down the nerves and provide pain relief. Occasionally, electrical stimulation (pulsed radiofrequency) of the suprascapular nerve is done to try and prolong the benefit.

What is the benefit of nerve block? How long does it last for?

The aim is to reduce pain so that you can do more of your usual shoulder exercise. The benefits of nerve blocks tend to be temporary. Some patients get pain relief for a short period of time and others up to a year. Some nerve blocks may be repeated. This depends on amount & duration of pain relief you get with the nerve block lasts.

Are there any risks with the nerve blocks?

All medical interventions carry some risks. This includes possibility of infection, bruising, injection soreness, dizziness and failure. Very rarely nerve block can lead to permanent nerve damage causing numbness, weakness of muscles and exacerbation of pain and there is an extremely rare risk of lung collapse. If you get a corticosteroid injection, this may cause higher blood sugar levels if you are diabetic.

On the day of nerve block, is there a need for any specific preparation?

You do not have to skip any meals before your nerve block. Eat lightly and drink plenty of water. Unless specifically advised to stop any, you can take your routine medications as usual. Please bring a list of your medications with you.

What happens when I come to hospital for the nerve block?

Your stay in hospital may vary between 30 min to 1 hour. The actual injection takes only few minutes to perform. The doctor will use ultrasound scan to locate the nerve and then perform the nerve block. You will be awake during the procedure. After cleaning the site with cold antiseptic, the injection will be performed with a fine needle.

Do I need to take any precautions after the nerve block?

Arrange to have someone drive you home! You may be sore or have more pain before you feel better. Nerve blocks may take a few days to help. No need for any bed rest. But avoid strenuous physical activity on the day of nerve block. From the next day onwards, you can resume back your normal activities.