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 52,417 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Calciphylaxis is a rare disease primarily affecting patients dependent on dialysis. It is characterised by small vessel media calcification leading to cutaneous ischemia and necrosis. The mortality rate is high with infection and sepsis being the most common causes of death. Calcium salts, vitamin D and high levels of serum calcium and phosphorus increase the risk of calciphylaxis. Current therapies including restoration of mineral homeostasis, wound care and pain control, are not entirely effective. Sodium thiosulfate, by dissolving calcium deposits, is a novel therapeutic choice for calciphylaxis. It has proved successful also in cases refractory to conventional treatment.
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PMID:[Sodium thiosulfate--new hope for the treatment of calciphylaxis]. 2197 87

Calciphylaxis occurs due to calcium deposition in arterioles, which leads to ischemic ulceration of overlying skin. Two-year mortality rates from sepsis ranges from 50% to 80%. Calciphylaxis is most common in hyperparathyroidism secondary to chronic renal impairment and rarely occurs in the setting of normal renal function. Biopsy of the calciphylaxis ulcer reveals calcium deposits lining the vascular intima. Tissue calcification may also be seen on plain radiographs. Calcium-phosphate metabolism should be normalized by treating any underlying hyperparathyroidism with bisphosphonates, parathyroidectomy, and/or cinacalcet in addition to dialysis in chronic renal failure. Intravenous sodium thiosulfate has been used successfully to treat renal and normo-renal calciphylaxis. Sodium thiosulfate displaces calcium ions from calcium deposits to form calcium thiosulfate, which is excreted by the kidneys or dialyzed. Systemic glucocorticoids may prevent ulceration of early plaques of calciphylaxis. Hyperbaric oxygen, skin grafting, and iloprost infusions are useful adjuncts in the management of this debilitating condition.
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PMID:Diagnosis and treatment of calciphylaxis. 2277 99

Calciphylaxis is usually a fatal condition that develops in a few chronic renal failure patients, and it is characterized by calcifications in subcutaneous arteries, infarcts in skin, and the neighboring subcutis. Calciphylaxis, once considered as a rare condition, has been reported to have an annual incidence of 1% and a prevalence of 4% in dialysis patients. We describe our clinical experience in six end-stage renal disease patients on dialysis that presented with calciphylaxis and died due to sepsis, and review the pathogenesis, epidemiology, clinical and histopathologic features, and treatment of calciphylaxis. Physicians should initially consider the possibility of calciphylaxis in case of development of skin lesions in chronic renal failure patients with impaired calcium, phosphorus, and parathyroid hormone levels. The most important cause of mortality in this condition is infection. Therefore, differential diagnosis of these lesions from systemic vasculitis in their early stages and withdrawal of immunosuppressive therapy that increases the tendency to infections are essential.
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PMID:Calciphylaxis: a report of six cases and review of literature. 2315 Nov 46

Calciphylaxis is a devastating disorder with a mortality rate of 80% due to sepsis and organ failure. Hallmarks of this rare disease are arteriolar media calcification, thrombotic cutaneous ischemia, and necrotic ulcerations. Different mechanisms of vascular calcification can lead to calciphylaxis. Early diagnosis by deep cutaneous ulcer biopsy is most important for prognosis. Here, dermatologists play a significant role although treatment usually needs an interdisciplinary approach. Surgical procedures had been the cornerstone of treatment in the past including parathyroidectomy, but recently new medical treatments emerged aiming to normalize disturbances of minerals to reduce the serum concentration of sodium phosphate and to prevent precipitation and calcification. Multimodal therapy is warranted but only aggressive surgical debridement of cutaneous ulcers has shown significant outcome improvement.
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PMID:Update on cutaneous calciphylaxis. 2371 95

Calciphylaxis is an uncommon necrotizing dermal condition, most often related to end-stage renal disease, associated with secondary hyperparathyroidism. The incidence is 1-4% per year in dialyzed patients. The condition is characterized by microcalcification of small and medium-sized blood vessels, causing cutaneous and soft tissue necrosis. The etiology of calciphylaxis is poorly understood, although many reports highlight the abnormal calcium-phosphate products as an important etiological factor. Calciphylaxis is associated with significant morbidity and mortality with estimated 5-year survival rates of less than 50%. Sepsis is the main cause of death. We report two patients of calciphylaxis treated with surgical debridement and excellent outcome in both cases.
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PMID:Photoletter to the editor - Calciphylaxis: a diagnostic and therapeutic challenge. 2385 46

Calciphylaxis is a rare cause of skin ulcerations and necrosis in patients with both normal renal and parathyroid function. Although calciphylaxis appears to be on the increase, treatments are mainly empirical, especially for wound care. The lesions in calciphylaxis are typically very painful and carry a high risk of infection, with sepsis being the leading cause of death in this serious disease. We report two cases of nonuraemic calciphylaxis, which responded to treatment with pamidronate and wound management by negative pressure system.
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PMID:Nonuraemic calciphylaxis: response to treatment with pamidronate and negative pressure therapy. 2547 49

Cutaneous calciphylaxis is a rare and often intractable disease that involves subcutaneous vascular calcification, ischemia, and subsequent necrosis. Calciphylaxis has an associated 60%-80% mortality rate with sepsis as the leading cause of death. However, despite variable success rates, the proper treatment of calciphylaxis remains controversial. In this case report, the authors present a 42-year-old female who presented with bilateral lower extremity calciphylaxis in conjunction with long-standing liver disease and acute renal failure. Cure of the patient's calciphylaxis was achieved through a surgical approach using staged debridement, placement of a dermal regenerative template (Integra Dermal Regeneration Template, Integra Lifesciences, Plainsboro, NJ), and followed by successful skin grafting. This is the first successful treatment of calciphylaxis in the literature to date using dermal regenerative template material.
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PMID:Successful Surgical Treatment of Severe Calciphylaxis Using a Bilayer Dermal Replacement Matrix. 2657 52

Calciphylaxis is an uncommon cause of skin necrosis seen almost exclusively in patients with end-stage renal disease. We present an unexpected diagnosis of calciphylaxis in a patient with normal renal and parathyroid function. The patient presented with a month-long history of painful bilateral necrotic leg ulcers, resistant to conventional treatment. She developed severe sepsis requiring admission to the intensive care unit, and despite escalation of antibiotic therapy and meticulous wound care management, eventually died. A biopsy confirmed a diagnosis of calciphylaxis. We suspect that warfarin therapy may have contributed to the development of this condition. Through this case we aim to raise awareness of calciphylaxis as a differential diagnosis of non-healing necrotic skin ulcers, especially in patients with known risk factors including established warfarin therapy.
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PMID:Lesson of the month 2: Non-uraemic calciphylaxis - an unexpected differential diagnosis for a necrotic ulcer. 2703 1

Generalized weakness in transplant patients is a major complaint in tertiary rehabilitation hospitals. The diagnosis and management of generalized weakness in this population pose challenges for physicians. We present the case of a transplant patient with generalized weakness who was eventually diagnosed with calciphylaxis using a multidisciplinary diagnostic approach of electrodiagnostics, vascular study, and skin biopsy. Calciphylaxis is a rare cutaneous disorder that mimics other collagen vascular diseases in its presentation and fulminant course. Physiatrists should be cognizant of calciphylaxis, as it signals a poor prognosis if not correctly diagnosed and treated in a timely manner, with high incidence of sepsis, wound pain, and disability.
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PMID:Generalized Weakness in a Transplant Patient: A Case Presentation. 2709 99

Calciphylaxis is a rare but feared condition thought to related to derangements in calcium and phosphorus metabolism. The syndrome has a predilection for obese women receiving dialysis for chronic renal failure (1, 2). Patients develop painful violaceous lesions in the subcutis, which can lead to ulceration and wound-related sepsis. In severe cases, amputation is required for the gangrenous involved extremity (3). We present two cases of calciphylaxis with similar clinical presentations and physical findings.
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PMID:Calciphylaxis on Technetium Bone Scan: Two Case Reports. 2730 57


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