SI Joint injections

What is sacro-iliac joint injection?


A sacro-iliac joint injection is an injection of an anesthetic with a long lasting steroid (“cortisone”) in the sacro-iliac joints. Sacro iliac joints are located in the back where the lumbosacral spine joins the pelvis. They are paired (right and left) and are surrounded by a joint capsule like the facet joints.


What is the purpose of sacro-iliac joint injections?


The steroid injected reduces the inflammation in the joint space. The injection can reduce pain and inflammation from a hypermobile joints.


How long does the injection take and will it hurt?


The actual injection takes only a few minutes. The procedure is done under local anesthesia to minimize discomfort.


How is the injection performed?


It is done with the patient lying on the stomach with fluoroscopic (x-ray) guidance. The skin is cleansed with anti-septic solution and then the injection is carried out. After the injection, you are taken to a recovery area to rest.


What are the risk and complications?


It is generally a safe procedure. But as with any interventional procedure, it carries a small risk of potential complications such as bleeding and infection.


What should I expect after the injection?


Immediately after the injection, you may feel that your pain may be gone or quite less. This is due to the local anesthetic injected. This will last for a few hours. The steroid medication will take about 3-5 days to work and cause overall anti-inflammatory effect and pain reduction. The steroid will offer relief for several months duration.