Society Of Interventional Radiology Release: Minimally Invasive Treatment Could Freeze Out Phantom Limb Pain

FAIRFAX, Va., April 12, 2016 /PRNewswire-USNewswire/ -- A pioneering technique significantly reduces phantom limb painchronic pain emanating from the site of amputated limbsaccording to findings presented at the Society of Interventional Radiology's 2016 Annual Scientific Meeting.

Society of Interventional Radiology.

The study indicates that interventional radiologists applying cryoablation therapy, a minimally invasive targeted treatment using cold blasts, show promise in improving the quality of life for patients suffering phantom limb pain.

"Until now, individuals with phantom limb pain have had few medical interventions available to them that resulted in significant reduction in their pain," said J. David Prologo, M.D., assistant professor in the division of interventional radiology at Emory University School of Medicine. "Now, these individuals have a viable treatment option to target this lingering side effect of amputationa condition that was previously largely untreatable."

Military veterans wounded in combat and people with complex medical conditions, such as uncontrolled diabetes, constitute a significant part of the population affected by pain that seems to originate from the lost limb. Millions of people in the U.S. live with amputated limbs and, according to the Centers for Disease Control and Prevention, nearly 200,000 amputations occur each year.

The interventional radiology team at Emory University treated 20 patients, with each person undergoing image-guided cryoablation of the nerve and scar tissue in the residual limb (the part of the body that remains after an amputation has been performed). During cryoablation, a probe is precisely placed through the skin and the temperature is dropped for 25 minutes to create an ablation zone, shutting down nerve signals.

Researchers asked patients to rate their pain on a visual analog scale (VAS) that ranged from 1 (not painful) to 10 (extremely painful) before, seven days after and 45 days after the intervention. Before cryoablation, patients reported an average pain score of 6.4 points. By day 45, the average score was 2.4 points.

"Many of the nerves contributing to these pains are inaccessible to physicians without image guidance," added Prologo. "With the interventional radiologist skill set, we can solve tough problems through advanced image-guided therapies, and this promising treatment can target hard-to-find nerves and help amputees dramatically improve their livesall in an outpatient setting."

About the Society of Interventional Radiology
The Society of Interventional Radiology is a nonprofit, professional medical society representing more than 6,100 practicing interventional radiology physicians, scientists and clinical associates, dedicated to improving patient care through the limitless potential of image-guided therapies.

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SOURCE Society of Interventional Radiology

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