Epidurolysis


 

Epidurolysis (RACZ) is a procedure used to dissolve scar tissue (adhesions) that has built up in the epidural space. Dr. Gabor Racz pioneered this procedure.

What causes scarring?

Scarring can be caused by any kind of irritation in the body. This can be from surgery, blood, hardware, or disc material. It is a natural reaction of your body trying to heal itself.

What is the purpose of it?

The purpose of epidurolyisis is to reduce scar tissue so that medication can reach the irritated nerves.

How long does the procedure take?

The procedure is actually a series of three injections over a period of three days. On the first day, a catheter (small plastic tubing) is placed in the epidural space through a needle to the area of scarring. This is done in the operating room using fluoroscopy (x-ray) in a clean environment to reduce the chance of infection. The first injection into the catheter will be made at this time and then secured to your back with tape and dressing. The second injection is done the following day through the epidural catheter. On the third day, the catheter is injected and then removed. The actual injections only take a few minutes.

What is injected?

The injection consists of a mixture of local anesthetic (numbing medicine,) corticosteroid to reduce inflammation, contrast dye to visualize the scarred space, and a mixture of hyaluronidase and saline to soften the scar tissue.

Will the injection hurt?

Most patients tolerate the injection very well. Numbing medicine is placed under the skin that feels like a poke and a burn. After that, you most likely will only feel pressure. If you feel any pain during the injection, more numbing medicine can be given. If you choose, you may have intravenous sedation to help you relax.

Will I be "put out" for this procedure?

No. The safest way to do this procedure is under local anesthesia. You may choose to have intravenous sedation, which will help you relax, but you will always be awake during the procedure to minimize the chance of any nerve damage.

How is the injection performed?

You will be lying on your stomach on an x-ray table. We will monitor your blood pressure, heart rhythm, and blood oxygen. Your skin will be cleansed with an antiseptic. After the injection, you will be placed on a bed and moved to the recovery area.

What should I expect after the injection?

You may or may not feel better immediately after the injection and your legs or arms may feel slightly heavy or numb. The numbing medicine injected can wear off after several hours. You may have a sore back or neck for several days after the injection. This is due to the needle insertion as well as the chemically irritating effect of the steroid. The steroid is a long and slow acting medication that can take up to 5 days before starting to work and up to 2 weeks before taking full effect.

Can I go to work the next day?

You should be able to return to work the next day unless otherwise directed by your physician. Some patients will feel soreness in the neck at the injection site.

How long does the effect of the medication last?

The effect of the steroid can last anywhere from several days to several months. The purpose of the injection is to decrease swelling and inflammation to decrease pain. Over time, your body may heal itself.

How many injections do I need?

If the first procedure does not relieve your symptoms after two weeks, a second procedure may be recommended. If the second procedure doesn’t relieve your symptoms after an additional two weeks, a third procedure may be recommended. The effects of the injections are additive if spaced at these time intervals. We generally would not perform more than 3 steroid injections in a 6-month time period. More than this may increase the steroid load in your body increasing the likelihood of suffering from side effects. If 3 injections did not provide a lasting benefit, it is unlikely that any further steroid injections would provide further benefit.

Side Effects | Risks

Overall, the procedure is very safe. As with any procedure, there are risks. The most common side effect is pain, which is temporary. Any time a needle is punctured through the skin, there is a chance of bleeding or infection that is very rare. Other rare side effects include spinal headache, nerve damage, worsening of pain, etc., which are extremely unlikely.

Who should not have these injections?

If you are allergic to specific local anesthetics or ionic contrast, please notify your physician. Also, if you are taking any blood thinners (Coumadin, Plavix, Warfarin, Lovenox, Aspirin) please let your physician know ahead of time to help devise a safe plan for the injection.

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