Dataset Information

Management of Cutaneous Calciphylaxis.

ABSTRACT: Calciphylaxis is a deadly, painful disease with a 1-year mortality of up to 50%. The disease is commonly associated with patients with end-stage kidney disease (ESKD), but it can manifest in non-uremic patients as well. In patients who are undergoing dialysis, the incidence of calciphylaxis can range from 0.04% to 4%. The progressive arterial calcification seen in calciphylaxis can affect multiple body organs, including the skin, brain, lungs, and muscle. In cutaneous calciphylaxis, painful and non-healing nodules, plaques, and ulcers may appear, increasing morbidity for patients. Diagnosis can be difficult, and the condition can clinically appear similar to other dermatological diseases, especially in non-uremic patients. Currently, skin biopsy with histological analysis is the most reliable method to help diagnose the condition. In certain cases, the use of medical imaging may be helpful. Treatment of pain in this condition can be difficult and should be multimodal and include wound care as well as modification of risk factors. Analgesic options include opioids, nonsteroidal anti-inflammatory drugs (NSAIDs), as well as analgesic options that are targeted for specific patients. There are currently multiple clinical trials underway that are studying targeted therapies for this condition.

SUBMITTER: Kodumudi V

PROVIDER: S-EPMC7595979 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Management of Cutaneous Calciphylaxis.

Kodumudi Vijay V Jeha George M GM Mydlo Nicholas N Kaye Alan D AD

Advances in therapy 20200930 12

Calciphylaxis is a deadly, painful disease with a 1-year mortality of up to 50%. The disease is commonly associated with patients with end-stage kidney disease (ESKD), but it can manifest in non-uremic patients as well. In patients who are undergoing dialysis, the incidence of calciphylaxis can range from 0.04% to 4%. The progressive arterial calcification seen in calciphylaxis can affect multiple body organs, including the skin, brain, lungs, and muscle. In cutaneous calciphylaxis, painful and ...[more]

PMID: 32997277

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Project description:Importance:Classic calciphylaxis associated with renal failure is a life-threatening disease. Warfarin-associated calciphylaxis without renal injury has been described, but whether it is a subset of classic calciphylaxis or a different entity remains unknown. We describe 1 case of warfarin-associated calciphylaxis, present data from 2 others from our institution, and review all cases of warfarin-associated calciphylaxis available in the literature. Our review indicates that warfarin-associated calciphylaxis is clinically and pathophysiologically distinct from classic calciphylaxis. Objective:To review warfarin-associated calciphylaxis and determine its relationship to classic calciphylaxis. Design, Setting, and Participants:We searched MEDLINE and Ovid without language or date restrictions for case reports of calciphylaxis from the inpatient setting using the terms "calciphylaxis and warfarin," "non-uremic calciphylaxis," and "nonuremic calciphylaxis." We defined nonuremic calciphylaxis as a histopathologic diagnosis of calciphylaxis without severe kidney disease (serum creatinine level >3 mg/dL; glomerular filtration rate <15 mL/min; acute kidney injury requiring dialysis; and renal transplantation). Exposures:Each patient had been exposed to warfarin before the onset of calciphylaxis. Main Outcomes and Measures:Patient data were abstracted from published reports. Original patient medical records were requested and reviewed when possible. Results:We identified 18 patients with nonuremic calciphylaxis, 15 from the literature, and 3 from our institution. Patients were predominantly female (15 of 18 [83%]) with ages ranging from 19 to 86 years. Duration of warfarin therapy prior to calciphylaxis onset averaged 32 months. Lesions were usually located below the knees (in 12 of 18 [67%]). No cases reported elevated calcium-phosphate products (0 of 17 [0%]). Calcifications were most often noted in the tunica media (n?=?8 [44%]) or in the vessel lumen and tunica intima (n?=?7 [39%]). The most common treatments included substitution of heparin or low-molecular weight heparin for warfarin (n?=?13 [72%]), intravenous sodium thiosulfate (n?=?9 [50%]), and hyperbaric oxygen (n?=?3 [17%]). The survival rate on hospital discharge was remarkably high, with 15 cases (83%) reporting full recovery and 3 cases ending in death. Conclusions and Relevance:Warfarin-associated calciphylaxis is distinct from classic calciphylaxis in pathogenesis, course, and, particularly, outcome. This finding should influence clinical management of the disease and informs targeted treatment of the disease.

Project description:Background and aimsCalciphylaxis is a rare condition associated with very high mortality in patients with end-stage kidney disease. Data from country-based registries have been an invaluable resource for a better understanding of the natural history and management for this condition. This study aimed to investigate the current management strategies and outcomes of patients enrolled in the United Kingdom Calciphylaxis study (UKCS).MethodsThe study was conducted on 89 patients registered in the UKCS since 2012. The initial analysis included a description of the baseline characteristics, management strategies and outcomes on follow-up until May 2020. Further analysis included a comparison of the mortality outcome of the UKCS patients who were receiving haemodialysis with a propensity score matched cohort of haemodialysis patients from the Chronic Renal Insufficiency Standards Implementation Study- Haemodialysis (CRISIS-HD).ResultsMedian age of the cohort was 59 years, with a predominance of females (61%) and Caucasian (95%) ethnicity. About 54% of the patients were diabetic and 70% were receiving haemodialysis at study entry. The skin lesions were mostly distributed in the lower extremities (48%). Sodium thiosulphate and calcimimetic were the most widely used management strategies. The mortality rate was 72 deaths per hundred patient-years (50 deaths observed in 69.5 patient years). Complete wound healing was noted in 17% and bacteraemia was reported in 26% of patients. In a comparative analysis of the matched haemodialysis patients, the presence of calciphylaxis in 62 patients showed a strong association with all-cause mortality (HR 6.96; p < 0.001), with annual mortality 67% versus 10.2% in haemodialysis patients without calciphylaxis.ConclusionsThis UK wide study strengthens the evidence that calciphylaxis is a strong and independent risk factor associated with all-cause mortality; no significant benefit was shown with any individual treatment modality. Until further evidence becomes available, a multifaceted approach would be the appropriate treatment strategy in the management of this extremely serious condition.

Project description:BackgroundCalciphylaxis is a rare condition usually seen in patients with end-stage renal disease. Pain is a hallmark of this condition and can be extremely difficult to control. Anecdotal data suggests that pain management in calciphylaxis is challenging with variable approaches across the United Kingdom (UK) and internationally. A knowledge and practice survey was conducted to establish current practice in the management of pain in patients with calciphylaxis, in the UK. Based on the results and clinical experience the authors suggest a clinical practice guideline.MethodsAn online questionnaire was circulated among physicians (renal and palliative care) involved in the management of pain in calciphylaxis. The questionnaire included a mix of open-ended questions and questions with drop down options.ResultsOne hundred and six clinicians responded to the survey of which 60 (57%) respondents were from palliative medicine; the remaining 46 (43%) were from renal medicine. 31 (30%) respondents across both specialties had not encountered any patients with a diagnosis of calciphylaxis (renal-2, palliative care-29). A referral to the palliative care team was undertaken by 18% of renal physicians, 32% referred to the pain team and 50% referred to both. Only 3% of the palliative medicine respondents indicated that they had received a referral from the renal team at the time of diagnosis. Opioids were the preferred initial drug of choice for the management of all types of pain. Paracetamol was universally selected as the preferred first-choice adjuvant agent for management of all types of pain. The importance of advance care planning was highlighted with 72% undertaking advanced care planning discussions often or most of the time.ConclusionThere was wide variation in the current practice of pain management in patients with calciphylaxis, with variation between renal specialists and palliative care specialists. Referral to specialists in pain management is not universal despite the severe nature of the pain experienced by patients with calciphylaxis. The data generated has facilitated the development of a clinical practice guideline to support complex pain management in a group of patients with multiple comorbidities.

Dataset Information

Management of Cutaneous Calciphylaxis.

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Management of Cutaneous Calciphylaxis.

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