Summary
CAPS develops in a minority (1%) of patients with aPL and is characterized by acute, vascular occlusion involving three or more organs. The disorder is characterized by a diffuse thrombotic microvasculopathy with a predilection for kidney, lung, brain, heart, skin, and gastrointestinal tract. Treatment is empiric and, although mortality may approach 50%, outcomes appear best for patients that receive combinations of heparin anticoagulation, steroids, plasmapheresis, intravenous gammaglobulin, and, in the setting of SLE disease exacerbation, cyclophosphamide. The etiology of CAPS awaits clarification but likely involves the activation of vascular endothelium to express surface adhesion molecules and possibly tissue factor that interact with circulating cellular inflammatory cells, elements of the phospholipid-dependent coagulation factors, and platelets in the presence of aPL. Improved therapy awaits better understanding of the underlying immunologic, coagulation, and vascular pathology.
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Belmont, H.M. (2006). Catastrophic Antiphospholipid Syndrome. In: Khamashta, M.A. (eds) Hughes Syndrome. Springer, London. https://doi.org/10.1007/1-84628-009-5_16
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DOI: https://doi.org/10.1007/1-84628-009-5_16
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