Raynaud syndrome

Techniques in Vascular and Interventional Radiology
Sergio Toledo Valdovinos, Gregory J Landry

Abstract

Raynaud syndrome (RS) was first described by the French physician Maurice Raynaud in 1862 with the characteristic tricolor change featuring pallor (ischemic phase), cyanosis (deoxygenation phase), and erythema (reperfusion phase) induced by cold or stress. Although the underlying pathophysiological mechanism is unclear, alterations in activity of the peripheral adrenoceptor have been implicated, specifically an enhanced smooth muscle contraction due to overexpression or hyperactivity of postsynaptic alpha 2 receptors. There are 2 ways that RS can appear clinically; isolated, formerly referred as Raynaud disease or now primary RS and in association with other conditions, usually connective tissue disorders (eg, Sjögren syndrome, systemic lupus erythematosus, scleroderma, and rheumatoid arthritis), frequently called Raynaud phenomenon or secondary RS. The estimated prevalence in the general population is 3%-5%, with a higher prevalence in women than in men. The diagnosis is mainly clinical, based on patient descriptions of skin changes. Upper extremity pulse-volume recording is used to rule out proximal arterial obstruction. The differentiation between a vasospastic vs and obstructive mechanism is made using digital pressures and...Continue Reading

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Citations

Dec 17, 2015·European Journal of Trauma and Emergency Surgery : Official Publication of the European Trauma Society·A KordzadehY P Panayiotopolous
Jun 4, 2016·American Journal of Clinical Dermatology·Feras M Al-GhazawiJennifer Beecker
Sep 23, 2020·International Journal of Surgery Case Reports·Yasser AljehaniAbdullah A AlQatari

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