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From the Department of Neurology (Drs. Seitz, Meisel, Moll, Junghans, and Siebler), Institute of Diagnostic Radiology (Dr. Wittsack), Heinrich-Heine University of Düsseldorf, Germany.
Address correspondence and reprint requests to Dr. Rüdiger J. Seitz, Department of Neurology, University Hospital Düsseldorf, Moorenstrasse 5, D-40225 Düsseldorf, Germany; e-mail: seitz{at}neurologie.uni-duesseldorf.de
To determine the effect of systemic thrombolysis with low-dose recombinant tissue plasminogen activator (rtPA) and the body-weight adjusted platelet GPIIb/IIIa receptor antagonist tirofiban, the authors performed lesion volumetry on magnetic resonance perfusion and diffusion images recorded before thrombolysis and on T2-weighted magnetic resonance images on day 8. Treatment with rtPA and tirofiban (n = 13) resulted in a 50% lesion reduction (p < 0.03), while lesion reduction was less in rtPA treatment (n = 16) and absent in nontreated patients (n = 18).
Received July 28, 2003. Accepted in final form January 29, 2004.
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