15701 Rockfield Blvd.
Irvine, CA 92618

949.457.9900

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GENERAL INFORMATION

Office hours:
Monday - Friday, 8 am to 5 pm

Insurance:
Most insurance plans
Medicare & Workers Compensation

HMOs:
Bristol Park, Monarch,   Mission Affiliated

Payment Options:
Credit card, Check and Cash

Appointments:
(949) 457-9900

Additional Information:
Please refer to the Q&A section for answers to the most commonly asked question

          Forms (pdf)               Please complete these forms before your visit to help us shorten your visit time



 

Selective Nerve Root Block (SNR)

 

Spinal nerve compression whether due to disc protrusion or bony canal narrowing can produce symptoms of pain, numbness and weakness.

Collateral nerve innervation, referral pain and anatomical variations however can make diagnosis of specific nerve compression difficult especially when patients present with indistinct symptoms.

Where as MRIs frequently reveal anatomical abnormalities that are more than clinically relevant, and EMGs are prone to false positives and negatives, SNRB is diagnostically more specific and functionally correlatable.

SNRB of a single nerve-root with anesthetic and cortisone mixture is both diagnostic and therapeutic. Immediate pain relief from the anesthetic clinches that specific nerve’s involvement in patient’s pain. This helps to guide further therapy. The cortisone is beneficial when there is nerve irritation.

Q & A on SNR

 

 

 

What is Cortisone, or Cortisone Injection?

Cortisone is a powerful anti-inflammatory steroid medication.  It is used to treat conditions ranging from skin rash to asthma to autoimmune diseases. Cortisone when injected around inflamed joints and nerves reduces the swelling, irritation, and pain caused by the inflammatory condition.

Why is Selective Nerve Root Block helpful?

SNR is used to treat pain caused by inflammation of the spine that may involve herniated discs, pinched nerves, and injured soft and connective tissues.  It can also be used to help pin point the exact nerve involved in the painful condition.

How many injections will I need?

SNR is usually performed as a series of 2 to 3 injections over several weeks depending on the patient's response.  Not all patients require multiple injections.  If a patient responds well to the initial treatment, the procedure in most cases does not need to be repeated.

The treatments can be repeated indefinitely in the future (in 6 months, or later in life), if the problem returns.

Does cortisone just cover up my pain? Will I injure myself without knowing?

Cortisone is neither a pain medication nor an anesthetic. It is an anti-inflammatory drug. It is a compound similar to what the body normally produces at times of stress, except longer-lasting. Cortisone helps the body recover. All of your faculties and sensations will remain intact, thus you will not injure yourself without knowing.

Is steroid bad for you?

Problems with cortisone injections are rare. Cortisone is a steroid, but it is not the performance-enhancing anabolic steroid you’ve heard so much about. Cortisone is more likely to cause problems when it is used chronically, such as for treating rheumatoid arthritis or for asthma. A short series of cortisone injections rarely causes problems.  Long term or high dose steroid exposure can cause significant problems including osteoporosis, weight gain, adrenal suppression, avascular necrosis of joints among other conditions.

It is important for you to tell your PainCare doctor if you have received recent steroid treatments either as injections or pills, since some physicians will have placed some patients on oral steroids prior to referring them to PainCare.

Why can't I just take steroid pills?

The short answer is 'yes, you can.' However, oral steroids by the time it gets absorbed through the gut and redistributes to the target tissue, becomes diluted and less effective.  Increasing the dosage by mouth to increase tissue drug delivery on the other hand is more likely to cause those other significant side effects.

Is cortisone used only for back and leg pain?

Cortisone can be used to treat joints and nerves in many areas of the body but lower back and neck are the most common locations for interventional procedures.

Do you do SNR under X-ray?

Precise medication delivery to the injured areas is essential for good response. Training and equipment do affect how some physicians in the community practice. Our specially designed interventional suites, with the most advanced GE C-arm and multi-directional x-ray tables, set the standard. Our facility is fully accredited by AAAHC and Medicare for meeting high quality standards.

The information contained here is not intended as a substitute for professional medical evaluation and management.  It should be used only as a starting point for further research.  A physician should always be consulted for any health problem.

 


 

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