El fenómeno de Raynaud

摘要: Raynaud's phenomenon is a frequent reason for seeking of medical attention, since it affects 3-5% the population. It characterized by sudden, transient and recurrent episodes pallor and/or digital cyanosis, after exposure to cold or stressful situations. No known underlying illness identified in over 80% cases consequently these are classified as primary phenomenon. Connective tissue diseases, particularly systemic sclerosis, main causes Once complete clinical physical evaluation rule out other causes, nailfold capillaroscopy antinuclear antibodies determination most useful adjunctive tests. Mild can be managed almost exclusively with conservative non-pharmacological lifestyle modifications. However, if patient develops severe vascular condition suitable vasodilator treatment needed. When critical ischemia develops, intravenous prostaglandin analogues surgery may useful.