The term "central post-stroke pain" refers to pain and some other sensory disturbances that occur after a stroke. Dejerine and Russi (1906) described intense, intolerable pain within the so-called thalamic syndrome (superficial and deep hemianesthesia, sensory ataxia, moderate hemiplegia, mild choreoathetosis) after infarctions in the thalamic thalamus.
Pain syndromes occurring in patients with HIV infection/AIDS vary in etiology and pathogenesis. According to the results of studies conducted to date, approximately 45% of patients have pain syndromes directly related to HIV infection or the consequences of immunodeficiency, 15-30% have pain syndromes related to therapy or diagnostic procedures, and the remaining 25% have pain syndromes that are not related to HIV infection or specific therapy.
Bone pain can be caused by various pathologies of bones, blood vessels, joints, muscles, nerves, sensorimotor disorders, radiating pain in diseases of the heart, lungs, pleura, liver and spleen, digestive and genitourinary tracts.
Embolic arterial occlusions are caused by an unexpected blockage of the artery lumen by an embolus. Emboli are most often formed in the heart. The conditions for their formation in the heart are prolonged atrial flutter due to its defects, congestive dilated cardiomyopathy, sick sinus syndrome, infective endocarditis (emboli are often small, septic), myxomas (tumor emboli).
Pain is an unpleasant sensation and emotional experience associated with actual or potential tissue damage or a condition described in terms of such damage.
Previously it was assumed that internal organs do not have pain sensitivity. The basis for such a judgment was the evidence of experimenters and partly surgeons regarding the fact that irritation of these organs does not cause a feeling of pain.