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Femoral Pseudoaneurysms: Management with Percutaneous Thrombin Injections—Success Rates and Effects on Systemic Coagulation¹

¹ From the Departments of Radiology (K.K., M.Z., A.G., O.S., D.S., K.L.), Internal Medicine (F.D.S.), and Cardiology (C.F.), University of Cologne, Joseph-Stelzmann-Strasse, D-50924 Cologne, Germany. Received December 28, 2001; revision requested February 27, 2002; revision received April 4; accepted June 5. Address correspondence to K.K. (e-mail: karsten.krueger@uni-koeln.de).

View larger version (128K): [in a new window]   Sagittal (longitudinal) color-coded duplex sonograms in a patient with (top left) a simple pseudoaneurysm lobe (arrows) that originates from the common femoral artery (arrowheads). The volume of the pseudoaneurysm was 6.5 cm3 (diameter in longitudinal direction, 5.2 cm; sagittal, 3.5 cm). Top right: Perfused lobe with the tip of the needle (straight arrow) within the lobe in relation to the aneurysm neck (curved arrow). Bottom left: Complete occlusion of the pseudoaneurysm lobe (arrows) after injection of 250 IU thrombin. The volume of the thrombosed pseudoaneurysm was comparable to that before treatment. Bottom right: Color-coded sonogram at 12 hours after the first injection continues to show a thrombosed lobe.