Reflex Sympathetic Dystrophy

Complex Regional Pain Syndrome (CRPS). Reflex Sympathetic Dystrophy (RSD) is a complex disease (ICD-9 CM 733.7), whose causes are unknown and can have serious consequences. Typically, the diagnosis is delayed. Usually occurs after trauma, large (fracture) or small (even a sprain) and produces a sensation of “burning important” trophic disorders of the skin and a phenomenon of exquisite sensitivity to the slightest touch or pain stimuli known as “allodynia”. Apparently, the sympathetic system is abnormally activated, producing substances that activate nociceptors and sustain pain while producing vasomotor permanent. If management does not start early, the clinical picture evolves almost inevitably to chronic impairment.

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