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Cholesterol embolization treated with corticosteroids--two case reports
Jun-ichiro Koga1, Masahiko Ohno, Kazuhiko Okamoto
1Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan.
Insights
Cholesterol embolization (CE) is a serious complication of arterial procedures. Corticosteroid therapy, specifically oral prednisolone, showed promise in improving renal function in two patients with CE.
Area of Science:
- Cardiovascular Medicine
- Nephrology
- Pathology
Background:
- Cholesterol embolization (CE) is a recognized complication following invasive arterial procedures.
- Currently, no established standard therapy exists for managing CE.
- Patients with severe atherosclerosis are at increased risk.
Observation:
- Two cases of CE were observed in patients with severe atherosclerosis.
- Renal function significantly deteriorated within months post-arterial procedures.
- CE was histologically confirmed via renal biopsy in one case and skin biopsy in another.
Findings:
- Oral administration of prednisolone (30 mg daily) was initiated.
- A notable improvement in renal function was observed in both patients following corticosteroid treatment.
- This suggests a potential therapeutic benefit of corticosteroids in CE management.
Implications:
- Corticosteroid therapy may be a viable treatment option for select patients experiencing CE.
- Further research is warranted to establish the efficacy and optimal use of corticosteroids in CE.
- This finding could lead to improved patient outcomes and management strategies for this complication.
Abstract:
Cholesterol embolization (CE) is a potentially serious complication associated with invasive arterial maneuvers, in which standard therapy has not been established. We experienced two cases of CE in patients with severe atherosclerosis whose renal function deteriorated within a few months after invasive arterial maneuvers. CE was confirmed either by renal biopsy (case 1) or skin biopsy (case 2). Oral administration of prednisolone at a daily dose of 30 mg (0.4 mg/kg) was effective to improve their renal function. Our observation suggests that corticosteroid therapy may be beneficial in some patients with CE.
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