Health
Superb radio wave nerves relieve arthritis pain
Injection of painkillers into the affected joints is one of the main ways doctors treat the discomfort of patients with osteoarthritis, but the effect is not permanent. After significantly and long-term reduction of pain in early studies, new technologies that block pain by directing low-grade high-frequency energy through the sensory nerves have been shaped as a promising alternative.
Opioid-based analgesics are one option for patients with osteoarthritis that affect the flexible tissue at the ends of the bone, but they pose a risk of poisoning. Injections of other painkillers, such as anesthetics and corticosteroids, provide alternatives, but they also have limitations, as Dr. Felix M. Gonzalez of Emory University School of Medicine explains.
“Usually, over time, patients become less responsive to these injections,” he says. “The first anesthetic-corticosteroid injections provide 6 months of pain relief, the second may last for 3 months, and the third may last for only 1 month. Gradually, the pain relief Degree is no longer important. “
Gonzales and his team see another possibility for what is known as cooled high frequency ablation. This new form of targeted analgesia involves inserting a needle into the affected joint to provide low-grade radiofrequency energy that “stuns” the sensory nerves.
This has the effect of delaying the transmission of pain signals to the brain, and last year Gonzales and his team conducted a study using similar techniques to successfully treat pain in patients with knee arthritis. Scientists are currently focusing on shoulder and hip arthritis, involving 23 patients who have become unresponsive to anti-inflammatory pain management and steroid injections.
Subjects received cooled radiofrequency ablation therapy and then completed a study of pain, range of motion, and joint function three months after the procedure. Both hip and shoulder pain groups reported a significant reduction in pain and an increase in dynamic function as a result of treatment.
“In our study, the results were very impressive and promising,” says Dr. Gonzales. “Patients with shoulder pain had 85% less pain and about 74% more function. Patients with hip pain had 70% less pain and about 66% more function.”
Scientists believe that this treatment may fill the gap in treatment options for patients with arthritis who do not respond to painkiller injections and want to avoid opioids and complete joint replacement surgery. They also believe that they may come to treat the discomfort caused by other illnesses such as cancer and sickle cell anemia-related pain syndrome.
“We’re just scratching the surface here,” says Dr. Gonzales. “We would like to investigate the effectiveness of treatment for patients in other situations such as trauma and amputation, especially cancer patients with metastatic disease.”
The study will be presented at the Annual Meeting of the Radiological Society of North America this month and access to a summary of the study. Online here..
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