Osteoarthritis (OA) is a degenerative disease characterized by progressive cartilage deterioration, osteophyte formation, subchondral sclerosis, and a number of biochemical and morphological changes in weight-bearing joints that are affected by genetic, mechanical, and biochemical factors. The prevalence of secondary chronic knee pain in OA is more than 12% in individuals over the age of 60. It is one of the most common musculoskeletal disorders in elderly patients and has become a global health problem. Standard treatments for OA include physical therapy, nonsteroidal anti-inflammatory drugs (NSAIDs), tramadol, opioids, intra-articular hyaluronic acid, or steroids. In more severe cases, surgical knee arthroplasty should be considered. But long-term use of NSAIDs is associated with stomach bleeding, adverse cardiovascular events, and kidney failure. Opioids are often used, but a large number of side effects are encountered, especially in the elderly. Knee surgery is not always possible and can cause complications such as hematomas, infections, and damage to the surrounding tissue. Radiofrequency (RF) application (pulsed or continuous) is a neuromodulatory or neurolytic technique that represents an alternative in pain due to osteoarthritis. RF therapy is one of the conservative treatments that has many advantages, such as minimal invasiveness, rapid recovery, and less negative response. Radiofrequency thermocoagulation (RFT) destroys the integrity of peripheral nerves using hyperthermia and thereby blocks the transmission of pain signals, while pulsed radiofrequency (PRF) regulates neurological functions or inhibits the production of immunoinflammatory factors (e.g., IL-1β, TNF-α, IL-6) by using electric fields to affect their production, thereby relieving pain in patients. Genicular nerve radiofrequency thermocoagulation application and knee intra-articular pulsed radiofrequency application are the two radiofrequency methods routinely applied in the treatment of gonarthrosis-induced pain in our clinic. In this study, it is aimed to evaluate the effectiveness of these two methods and compare their outcomes.
Age range
18 Years
Sex
ALL
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NRS
Timeframe: baseline, at the 3rd month