New Procedure Offers Alternative to Pharmacological Interventions

New research published online this month in CardioVascular and Interventional Radiology finds that transcatheter arterial embolisation relieves knee pain in patients with moderate osteoarthritis who are resistant to pharmacological pain interventions. The treatment is based on occluding abnormal blood vessels and accompanying nerves that researchers hypothesize are a possible source of chronic pain.

Using the procedure, researchers achieved a 100% success rate in 14 patients with mild to moderate knee osteoarthritis. Two distinct time points were noted for pain and symptom improvement. One was soon after embolisation, which the researchers attributed to decreased abnormal blood flow reducing the accompanying sensory nerve stimulation. A later onset of improvement occurred several weeks or months after embolisation, which is likely due to a suppression of inflammation according to the authors. There were no major adverse events noted with the procedure.

Read a news story about the findings, with link to the journal abstract, here.

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