PMID: 2122841Oct 1, 1990Paper

An often ignored complication of left heart catheterization: embolism of cholesterol crystals. Report of 9 cases

Archives des maladies du coeur et des vaisseaux
C MycinskiM L Brochier

Abstract

Cholesterol embolism (CE) is caused by the migration of cholesterol crystals from severe atheromatous lesions. Until recently, this was considered to be a classical but rare complication of atheroma. With the upsurge in techniques of left heart catheterization there has been a regain of interest in this subject. Nine cases of cholesterol embolism occurring after left heart catheterisation are reported, 3 after coronary angioplasty, and 3 cases after associated thrombolytic therapy. Three patients developed cutaneous syndromes (livedo reticularis, the "purple toe syndrome") with a favorable outcome in a few weeks. Two patients developed segmental necrosis of the small bowel requiring surgical resection of the affected area. Finally, in 4 cases, the patients died 12 hours to 3 months after catheterization: 2 patients had polyvisceral involvement; one patient developed cardiogenic shock; one patient had intestinal necrosis involving 2/3 of the ileum and the right colon. The cases illustrate the variability of the presentation of CE and its potential gravity. At present, the only effective measures are prophylactic; curative treatment remains particularly disappointing.

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