Bursae Injections



What is bursae joint injection?


The body contains many bursae (fluid filled sacs) situated between the bony surfaces of overlying tendons. Their role is to facilitate movement of the tendon over the bony surface. Overuse injuries in bursae are quite common, particularly at the subacromial bursae, the greater trochanter, ischial bursae, the bursae deep to the illiotibial band at the knee and the retrocalcaneal bursae. Bursae injections typically constitute of a mixture of steroid and lidocaine solution which is injected into the actual bursae which is inflamed.




What is the purpose of bursae injections?


Bursae injections are given to relieve the inflammation which is the source of pain from bursitis.


How long does the injection take and will it hurt?


This is a simple in office procedure and gives excellent relief for bursitis involving most commonly the subacromial bursae, trochanteric bursae, ischial bursae, amongst the many locations of bursitis related pain. There is minimal to no pain on needle entry as ethyl chloride cold spray is used to freeze the skin.


How is the injection performed?


An ethyl chloride cold spray is used prior to the injection so that the needle is not felt on the skin. The procedure uses ultrasound guidance for accurate guidance of the needle into the joint. A mixture of lidocaine and steroid or lidocaine and homeopathic solution is used to inject the bursae.


What are the risk and complications?


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