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Cerebral infarction complicating subclavian vein catheterization

Cerebral infarction has not previously been reported as a complication of attempted subclavian vein catheterization for parenteral nutrition. Two patients developed clinical and pathological evidence of embolic infarction in the left carotid and left vertebral distributions, respectively, when an artery was inadvertently punctured during attempts to catheterize the left subclavian vein. These two complications occurred in more than 1,000 successful subclavian vein catheterizations.