Radiofrequency ablation after a car accident: who it's for and what to expect

What kind of pain does radiofrequency ablation treat?

RFA targets facet joint pain. Facet joints are the small paired joints at the back of each spinal segment. They guide how your neck and lower back bend and twist. In a rear-end or side-impact crash, the neck snaps back and forth fast, and those joints can get sprained or inflamed.

Facet pain tends to feel like a deep ache on one or both sides of the spine. It often gets worse when you look up, turn your head toward the sore side, or lean back. It can spread into the shoulder blade, the base of the skull, or the buttock, but it usually doesn't shoot down the arm or leg below the elbow or knee. That shooting pain points more toward a pinched nerve root, which calls for a different workup.

RFA isn't a first step. Most people with neck or back pain after an accident get better with time, activity, medication and physical therapy. RFA comes up when the pain sticks around despite that care.

How does a doctor know the facet joints are the problem?

There's no scan that proves a facet joint is the pain source. An MRI can show arthritis or swelling, but plenty of people have those findings without pain. So the diagnosis is made with a test.

That test is a medial branch block. The doctor uses X-ray guidance to place a small amount of numbing medicine next to the nerves that supply the suspect joints. If your usual pain drops a lot for the hours the medicine lasts, those joints are likely involved. Many practices do two blocks on separate days to make sure the response is real. You'll often be asked to keep a pain diary in the hours afterward, so be honest about what you feel, good or bad.

If the blocks don't help, RFA probably won't either. That's useful to know, because it saves you from a procedure that isn't a good match.

What happens during the RFA procedure?

RFA is an outpatient procedure. It usually takes 30 to 90 minutes depending on how many levels are treated.

You lie face down. The skin is cleaned and numbed. Some people get light sedation, though many doctors prefer you awake enough to answer questions. Using live X-ray, the doctor guides thin needles to the same nerves that were tested during your blocks. A small electrical test confirms placement. Then the needle tip heats the nerve for about a minute or two at each spot.

You go home the same day with a driver. Expect soreness at the needle sites for several days. Some people feel a sunburn-like sensitivity in the skin over the area for a week or two. That usually settles on its own.

How long does relief last after radiofrequency ablation?

Results vary, and nobody can promise a number. In published studies, people who respond often report meaningful relief for six months to a year or longer. The nerves grow back over time, so pain can return. When it does, the procedure can often be repeated if the first round helped.

Relief also isn't instant. It can take two to four weeks to feel the full effect, since the treated nerves need time to stop firing.

The best use of that window is to move more. Many doctors pair RFA with a home exercise program or physical therapy so you rebuild strength while the pain is lower.

Who shouldn't get radiofrequency ablation?

RFA may not be right if you have an active infection, a bleeding problem, uncontrolled diabetes, or a pacemaker or other implanted device that hasn't been checked with your cardiologist. Pregnancy is also a reason to wait. If you take blood thinners, don't stop them on your own; your prescribing doctor and the pain specialist decide together.

It's also not the right tool if your main problem is arm or leg pain from a pinched nerve, a fracture, or instability in the spine. Those need different treatment.

What are the risks?

Serious complications are uncommon, but no procedure is risk free. Possible problems include temporary pain flare, numbness or burning in the skin, bleeding, infection, and, rarely, nerve injury. Your doctor should walk you through these and answer questions before you sign consent.

How does RFA fit into care after a crash in Texas?

At SpineLUX, interventional pain specialists evaluate accident-related neck and back pain and decide whether a procedure like RFA makes sense for you. That decision rests on your exam, history and test results, never on a timeline or anything outside your medical care.

Questions about payment? Call 972-920-9111 and our team will walk you through it. All services are offered in Spanish.

SpineLUX has pain management clinics in Irving, Houston, San Antonio, Live Oak, McAllen and El Paso, with bilingual intake in English and Spanish. The Irving clinic is at 100 E Royal Ln, Suite 125. Call 972-920-9111 to start.

If you have new weakness, loss of bladder or bowel control, or numbness in the groin, call 911 or go to the nearest emergency department. SpineLUX isn't an emergency service.

This article is general information, not medical advice. Treatment depends on an individual clinical evaluation, and results vary.