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An Update on Calciphylaxis
José Alberto García-Lozano1, Jorge Ocampo-Candiani1, Sylvia Aide Martínez-Cabriales1
1Department of Dermatology, University Hospital "Dr. José Eleuterio González", Autonomous University of Nuevo León, Av. Madero y Gonzalitos S/N 64460 Col. Mitras Centro, Monterrey, Mexico.
Insights
Calciphylaxis, a painful vascular disease in chronic kidney disease patients, causes non-healing wounds. Early diagnosis and multidisciplinary care are crucial for improving survival in this poorly understood condition.
Area of Science:
- Dermatology
- Nephrology
- Vascular Biology
Background:
- Calciphylaxis (calcific uremic arteriolopathy) is a rare, severe cutaneous vascular disease.
- It predominantly affects patients with end-stage renal disease, presenting as painful, non-healing wounds.
- The exact pathogenesis is complex, involving medial calcification, intimal fibrosis, and arteriolar thrombosis.
Purpose of the Study:
- To review and synthesize current knowledge on calciphylaxis.
- To cover clinical manifestations, pathogenesis, histopathology, diagnosis, and treatment.
- To emphasize the need for a multidisciplinary approach.
Main Methods:
- Literature review and synthesis of existing research on calciphylaxis.
- Analysis of clinical data, risk factors, and diagnostic criteria.
- Summary of current and proposed treatment strategies.
Main Results:
- Calciphylaxis is characterized by painful, chronic wounds in CKD patients.
- Pathogenesis involves vascular calcification, fibrosis, and thrombosis.
- High morbidity and mortality are associated with calciphylaxis.
- Optimal treatment strategies remain debated, highlighting the need for further research.
Conclusions:
- Calciphylaxis requires a high index of clinical suspicion for early diagnosis.
- Multimodal and multidisciplinary management involving various specialties is essential.
- Collaborative care involving dermatology, nephrology, wound care, nutrition, and pain management may improve patient outcomes and survival.
Abstract:
Calciphylaxis, also known as calcific uremic arteriolopathy and uremic small artery disease with medial wall calcification and intimal hyperplasia, is a multifactorial cutaneous vascular disease characterized by chronic, painful, non-healing wounds that occur frequently in patients with chronic kidney disease, predominantly in those with end-stage renal disease. The pathogenesis remains unclear, and the development of calciphylaxis lesions depends on medial calcification, intimal fibrosis of arterioles and thrombotic occlusion. Despite an increase in reports of calciphylaxis in the literature and clinical recognition of demographic characteristics and risk factors associated with calciphylaxis, it remains a poorly understood disease with high morbidity and mortality. In this review, we analyze and summarize the clinical manifestations, pathogenesis and pathophysiology, histopathology, differential diagnosis, diagnostic workup and treatment modalities for calciphylaxis. Because of the lack of consensus regarding the optimal approach to and treatment of this disorder, a high degree of clinical suspicion, early diagnosis, and multimodal and multidisciplinary treatment in collaboration with dermatology, nephrology, wound care, nutrition and pain management specialties may improve survival in patients with calciphylaxis.
