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Steroid Shots May Not Help Back Pain

Exercise or surgery might be better options for narrowing of the spinal canal, researchers report
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WebMD News from HealthDay

By Steven Reinberg

HealthDay Reporter

WEDNESDAY, July 2, 2014 (HealthDay News) -- People who have lower back pain caused by spinal stenosis -- a condition that narrows the open space in the spinal canal -- are unlikely to get relief from steroid shots, a new study finds.

"Steroid injections are a common treatment for spinal stenosis, and we were surprised by the finding," said lead author Dr. Janna Friedly, an assistant professor of rehabilitation medicine at the University of Washington in Seattle.

"These steroid injections aren't helpful," she said. "There is no added benefit to the steroid itself, so if people are considering these injections, I would recommend that they consider an alternative."

Spinal stenosis causes pain by putting pressure on the spinal nerves. The condition is common in men and women over 60, according to the American Academy of Orthopaedic Surgeons.

Spinal stenosis is often treated with injections of local anesthetics plus steroids. More than 2 million of these injections are done each year among people on Medicare. Steroid injections are believed to relieve pain by reducing swelling and inflammation around the compressed spinal nerves, the researchers said.

Alternative treatments include exercise and surgery, Friedly said.

The new report was published July 3 in the New England Journal of Medicine.

Dr. Gunnar Andersson, a professor in the department of orthopedic surgery at Rush University Medical Center in Chicago and author of an accompanying journal editorial, is not ready to give up on steroid injections.

"It is helpful for some, and in others it has no effect or very short-term effects," he said.

There are few treatments for spinal stenosis, Andersson said. "No treatment has been found to change the underlying problem or have a lasting effect on the stenosis," he said.

Andersson can't say who will benefit from steroid injections. "I tell my patients, 'this is something you can try before resorting to surgery, but whether it's going to help you or not, I can't predict.' "

The problem, Andersson said, is the overuse of steroid injections. "Many patients have been receiving many injections and for long periods of time, and that's not justified," he said.

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