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Minimally Invasive Pain Institute

Pain and Debilitating Conditions

Epidural Steroid Injection (Interlaminar vs. Transforaminal)

An epidural steroid injection is an injection of a long-lasting steroid into the epidural space (or space inside the spinal canal but outside the dural membrane which covers the nerve roots) to relieve pain and/or diagnose an acute or chronic pain condition.

Interlaminar versus Transforaminal Epidural Steroid Injections

  • The difference between interlaminar and transforaminal epidural steroid injections is in the procedural approach or technique.
  • Interlaminar epidural injection refers to injection into the interlaminar space of the spine (or the space between the laminae of adjacent vertebrae).
  • Transforaminal refers to injection into the openings between the vertebrae through which the nerve roots exit.
  • While the interlaminar technique can be performed through paramedian or midline approaches, the transforaminal technique is performed through an oblique approach.
  • Both pain management procedures show analgesic effectiveness.
  • If it is decided by our pain management health care professionals that epidural steroid injections are a viable treatment option for your acute or chronic pain condition, then they will recommend the best technique for you.

The injection site is cleansed thoroughly using sterile solution. A local anesthetic mixed with an anti-inflammatory agent (corticosteroid) is administered using a hypodermic syringe using one of the two approaches mentioned above.

How does it Work?
The steroid is used to reduce the inflammation and/or swelling of the nerves in the epidural space, to therefore reduce pain, tingling, and numbness and other symptoms caused by nerve inflammation, irritation, or swelling. Epidural steroid injections are among many interventional pain management and treatment services available at our pain management center.

After the Procedure
You will not be able to drive for the remainder of the day following a selective nerve root block. It is best to have someone else drive you home and accompany you to your home. This person should also be available to you should you require assistance at any time during the day after your procedure.

For a better understanding of interventional pain treatment services, contact the healthcare professionals at Minimally Invasive Pain Institute.  They can help customize a treatment for you and your acute or chronic pain condition. To find out if you are a good candidate, or for more information on this and other pain treatment services, read on or contact our pain management center.  Together, we’ll help you find the relief you need for the quality of life you deserve.