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A Journal on Pediatrics, Neonatology, Adolescent Medicine,
Child and Adolescent Psychiatry

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Minerva Pediatrica 2011 April;63(2):115-8

language: English

Combined thrombolytic therapy for atrial thrombus in a preterm infant

Mondì V. 1, Di Paolo A. 1, Fabiano A. 1, Cicchese M. 1, De Merulis G. 2, Giannini C. 2, Del Principe D. 1

1 Department of Pediatrics, University of Tor Vergata, Sant Eugenio Hospital, Rome, Italy;
2 Department of Neonatalogy and NICU, Sant Eugenio Hospital, Rome, Italy


Intracardiac thrombosis is a rare event in newborn (5.1 per 100000 live births). It is associated with an high morbidity and mortality. Most of intracardiac thrombi are related to intravascular catheterism. The use of thrombolytic therapy in neonates has rapidly improved in the last few years, particularly with the introduction of more clot-selective second-generation agents like urokinase and tissue plasminogen activator. In literature there is no therapeutic trial concerning the pharmacological approach of atrial thrombosis in newborns; different approaches are described in the case reports present in literature. In all of them, tissue plasminogen activator or urokinase are alternatively administered. In no case report urokinase and tissue plasminogen activator are administered in a combined thrombolytic therapy. Combined thrombolytic therapy with urokinase and tissue plasminogen activator, in association with low-dose heparin, allows the use of lower drug doses, less therapy’s duration and a rapid resolution of thrombus. Thormbolytic therapy is sometimes complicated with hemorrhagic complications. This article describes the case of a preterm infant (25 weeks of gestational age) with peduncolate thrombus in the right atrium, treated with combined thrombolytic therapy. The authors noticed a rapid decrease in thrombus dimension, no thrombus replacement and no organ bleeding.

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