Tennis elbow, painful chronic condition that affect job performance and quality of life, can be effectively treated without surgery, scientists say.
The condition, also known as lateral epicondylitis, stems from repetitive stress injuries that occur in activities such as sports, typing and knitting, and the injury is common in carpenters, cooks and assembly line workers.
Researchers found that through transcatheter arterial embolisation (TAE), an image-guided, non-surgical treatment that decreases abnormal blood flow to the injured area to reduce inflammation and pain, the condition may be treated.
"Tennis elbow can be difficult to treat, leaving many patients unable to perform the simplest tasks, such as picking up their children, cooking dinner, or even working on a computer," said Yuji Okuno, founder of the Okuno Clinic in Japan.
"With this frustration, many patients turn to invasive major surgery after years of failed physical therapy and medication use," said Okuno, lead author of the study.
"We were interested to see if this technique, already in use in other areas of the body, would be effective for this common, debilitating condition and help people immediately regain a range of motion that many of us take for granted in our everyday tasks," he said.
The team conducted a prospective study in 52 patients with tennis elbow who did not find relief from other forms of treatment. The patients received TAE between March 2013 and October 2017 and were followed for up to four years after the treatment.
The researchers said they found statistically significant reductions in pain-rating scores, and pain-free grip strength.
Images taken in 32 patients two years after undergoing TAE showed an improvement in tendinosis and tear scores.
The treatment can be completed in approximately one hour and requires only a needle hole to access the radial artery in the wrist under local anesthesia.
A catheter is moved through the wrist to the elbow where the inflamed blood vessels are embolised, preventing excessive blood flow to the affected part of the elbow.
The treatment is safe and effective and does not require physical therapy, researchers said. No adverse events were observed and no patients experienced negative effects to the surrounding bones, cartilage or muscles.
Tennis elbow is caused by overuse and repetitive stress to the tendons and muscles around the elbow.
It typically affects people who play sports with repetitive swinging motions, such as tennis or golf, but it can also affect job performance of carpenters, cooks, assembly-line workers and others.
While pain is a hallmark symptom, chronic tennis elbow can cause loss of grip and arm strength, limited use of the arm, and burning sensations on the outer portion of the arm.
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