Journal
ARCHIVES OF DISEASE IN CHILDHOOD-FETAL AND NEONATAL EDITION
Volume 85, Issue 1, Pages F66-F69Publisher
BMJ PUBLISHING GROUP
DOI: 10.1136/fn.85.1.F66
Keywords
recombinant tissue type plasminogen activator; thrombosis; very low birthweight infants; echocardiography
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Objectives-To determine the incidence of catheter related thrombosis and to test the efficacy of recombinant tissue type plasminogen activator (rt-PA) in preterm infants. Study design-From January 1995 to December 1998, echocardiography was performed in the first few days of life in 76 very low birthweight (less than or equal to 1500 g) infants out of a total of 147 having an umbilical catheter placed. When intracardiac thrombosis was diagnosed, rt-PA infusion was performed. Results-Four infants (5%) developed an intracardiac thrombosis during the first few days of life. In three of them, rt-PA at a dose of 0.4-0.5 mg/kg in a 20-30 minute bolus led to dissolution of the clot. One patient received a three hour infusion after the bolus, at a dose of 0.1 mg/kg/h, with resolution of the thrombus. No systemic effects were observed after rt-PA infusion. Conclusions-Early thrombosis may occur as a complication of umbilical catheterisation in preterm infants; early echocardiographic detection of this disorder allows complete, safe, and rapid lysis with rt-PA.
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