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[Atheroembolism: a form of systemic vascular disease]
S Pizzolitto1, M Rocco, F Antonucci
1Istituto di anatomia e istologia patologica, Ospedale Civile S. Maria della Misericordia di Udine.
Insights
Cholesterol crystal embolization (CCE) is a rare vascular disease often missed during diagnosis. Prompt biopsy is crucial for identifying CCE, which has a high mortality rate, especially with kidney involvement.
Area of Science:
- Vascular Medicine
- Pathology
Context:
- Cholesterol crystal embolization (CCE) is a rare but severe systemic vascular disease.
- It often arises from atherosclerotic plaque erosion or medical procedures like angiography and surgery.
- CCE predominantly impacts elderly males with pre-existing conditions such as hypertension and renal insufficiency.
Purpose:
- To highlight the challenges in diagnosing Cholesterol Crystal Embolization (CCE).
- To underscore the high mortality rate associated with CCE, particularly renal failure.
- To emphasize the diagnostic significance of identifying cholesterol crystals in biopsy specimens.
Summary:
- CCE presents with diverse clinical symptoms and functional impairments, often leading to diagnostic confusion.
- Laboratory findings are typically non-specific, complicating early detection.
- Definitive diagnosis relies on identifying cholesterol crystals in tissue biopsies from skin, muscle, or kidney.
Impact:
- Improved recognition of CCE can lead to earlier diagnosis and potentially better patient outcomes.
- Understanding the diagnostic challenges may prompt the development of more specific diagnostic tools.
- Highlighting the high mortality rate reinforces the need for vigilance in at-risk populations.
Abstract:
Atheroembolism, a systemic vascular disease. Cholesterol crystal embolization (CCE) is an infrequent but serious disorder that is often an unrecognized medical problem. CCE may occur spontaneously from eroded atherosclerotic plaques or most frequently following procedures such as angiography, angioplasty, cardiac catheterization, anticoagulant therapy and aortic surgery. CCE predominantly affects elderly males with a frequent history of hypertension, atherosclerotic vascular diseases and renal insufficiency. CCE may result in protean clinical manifestations and may produce a spectrum of functional impairment. Confusion over the disease's natural history arises because the difficulty of establishing an antemortem diagnosis, and because the laboratory findings are non-diagnostic and non-specific. The mortality was 81% and the causes of death was most often due to multiorgan failure especially renal involvement. The definitive diagnosis depends upon finding the presence of intravascular cholesterol crystal in biopsy or autopsy specimens. The skin, muscle and kidney were the three most common sites for obtaining a premortem diagnostic biopsy.