A preterm infant of 30 weeks gestation developed thrombosis of the left arteria femoralis on his fourth day of life. Continuous intravenous heparinization with 350 to 750 U/kg bw/d was performed during the course of several weeks. Although arterial thrombosis in term and preterm infants is not a rare event, there are no generally accepted guidelines for treatment. In this article alternatives of treatment--namely surgical management, thrombolytic therapy, heparinization and supportive therapy are discussed.
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