We present a case of a man in his 40s who was on haemodialysis for over 20 years presenting with rapidly progressive decline in mobility, associated with fixed flexion deformities of joints and peau d'orange appearance of skin together with areas of ulceration that was concerning for calciphylaxis. Skin biopsies were consistent with both nephrogenic systemic fibrosis and calciphylaxis. He has never had exposure to gadolinium-based contrast agent. His treatment included daily dialysis sessions, which were challenging due to vascular access issues and three times weekly sodium thiosulfate. He rapidly declined in hospital and died within 2 weeks of presentation while being treated for a hospital-acquired pneumonia.
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http://dx.doi.org/10.1136/bcr-2023-258482 | DOI Listing |
J Cardiovasc Magn Reson
January 2025
West Herts Teaching Hospitals NHS Trust, Watford, UK; Institute of Clinical Sciences, Imperial College, London, UK.
Objectives: To examine the provision of cardiovascular magnetic resonance (CMR) using gadolinium-based contrast agents (GBCA) in patients with chronic kidney disease (CKD).
Methods: An electronic survey was sent to the service leads of all CMR units in the UK in October 2022 requesting information on current departmental protocols and practice.
Results: A response rate of 55% was achieved from the 82 UK CMR units surveyed.
J Formos Med Assoc
January 2025
Department of Radiology, National Taiwan University Hospital, Taipei, Taiwan.
Contrast media are essential agents that enhance the diagnostic capabilities of imaging studies, such as computed tomography and magnetic resonance imaging. However, concerns regarding the risk of adverse events have led to cautious use in patients with chronic kidney disease. A multidisciplinary review by nephrologists, cardiologists, and radiologists at National Taiwan University Hospital examined evidence linking iodinated contrast media and gadolinium-based contrast agents with acute kidney injury and nephrogenic systemic fibrosis.
View Article and Find Full Text PDFRadiologia (Engl Ed)
October 2024
Servicio de Alergia, Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa (IIS-P), Madrid, Spain. Electronic address:
Radiological contrast media, both iodinated and gadolinium-based, can lead to adverse reactions. Type A reactions are related to the pharmacological characteristics of the contrast, including side, secondary and toxic effects. Post-contrast acute kidney injury is the most frequent adverse reaction to iodinated contrast media.
View Article and Find Full Text PDFJ Mater Chem B
January 2025
Shenzhen University General Hospital, Shenzhen, China.
Magnetic resonance imaging (MRI) remains a cornerstone of diagnostic imaging, offering unparalleled insights into anatomical structures and pathological conditions. Gadolinium-based contrast agents have long been the standard in MRI enhancement, yet concerns over nephrogenic systemic fibrosis have spurred interest in metal-free alternatives. Nitroxide radical-based MRI contrast agents (NO-CAs) have emerged as promising candidates, leveraging their biocompatibility and imaging capabilities.
View Article and Find Full Text PDFWounds
October 2024
UMass Chan Medical School, Department of Dermatology, Worcester, MA.
Background: Calciphylaxis is a rare and life-threatening condition characterized by cutaneous necrosis resulting from vessel calcification and thrombosis. Commonly associated with end-stage renal disease and hyperparathyroidism, calciphylaxis presents as retiform purpura evolving into necrotic eschars.
Case Report: This report details an atypical case of non-nephrogenic unilateral bullous calciphylaxis in a 71-year-old female, emphasizing the importance of considering calciphylaxis in the differential diagnosis of bullous disorders.
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