Calciphylaxis in dialysis patients: To recognize and treat it as soon as possible

Néphrologie & thérapeutique
Guillaume JeanCharles Chazot

Abstract

Calciphylaxis (CPX) or calcific uraemic arteriolopathy is a rare life-threatening complication, affecting mainly dialysis patients. The condition is characterized by calcifications and thrombosis of the small cutaneous vessels and small vessels in the fat tissue, resulting in the development of necrotizing and non-healing ulcers. The development of these lesions leads to poor outcomes owing to infectious complications and some frequently associated unfavourable medical conditions: obesity, diabetes, and peripheral vascular disease. We report the case of six patients with different clinical forms of CPX in the past 10 years with favourable outcomes observed in five of the six patients. The diagnosis was based on clinical presentation: bilateral and hyperalgesic necrotic lesions along with a history of mineral metabolism disorder or warfarin use. The therapeutic strategy included the following: daily dialysis, hyperbaric oxygen therapy, treatment of limb artery stenosis, maintenance of the optimal haemodynamic stability, delivery of cutaneous care, administration of analgesics and antibiotics, warfarin and calcium cessation, and additional therapy with cinacalcet or parathyroidectomy and therapy with bisphosphonates or sodium thi...Continue Reading

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