Golovach I.Yu.1, Chipko T.M. 1, Semeniv I.P. 1, Avramenko O.M.2, Lazorenko O.O.2

Summary. Summary. Joint lesions of various nature are widespread in the population. Though they are the most common cause of disability, there is still no clear understanding of the nature of joint pain. Mechanisms of chronic pain in osteoarthritis and rheumatoid arthritis have not been fully investigated yet. 112 patients with osteoarthritis and 88 patients with rheumatoid arthritis were tested to identify neuropathic components of pain. Studies have established a high percentage of patients who are diagnosed neuropathic nature of pain with nociceptive pain. Thus, in 48.2% of patients with osteoarthritis when tested in questionnaire DN4 revealed neuropathic pain and 56.25% — by using a questionnaire LANSS. Neuropathic pain was found in 44.3% of patients with rheumatoid arthritis on the DN4 questionnaire and in 48.86% of the patients tested by questionnaire LANSS. Most often when describing the pain syndrome of complaints that indicate neuropathic component, patients are stressed on the sensation of burning pain in the area, tingling, «crawling» the pain in an «electric shock». In chronic articular pathology neuropathic component of pain was associated with pain hyperalgesia, higher pain intensity, inflammation, and more marked joint dysfunction, anxiety.

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