Percutaneous Injection of Thrombin for the Treatment of Pseudoaneurysms After Catheterization

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Abstract
OBJECTIVE. The purpose of our study was to determine the efficacy of percutaneous thrombin treatment for iatrogenic pseudoaneurysms of the femoral artery in comparison with sonographically guided compression repair.SUBJECTS AND METHODS. Twenty-three pseudoaneurysms ocurring after catheterization were treated percutaneously with an initial injection of 1.0 mL of thrombin solution via a 22-gauge spinal needle under continuous sonographic guidance. Four patients required the additional injection of 1.0-4.0 mL of thrombin for complete thrombosis. Repeated sonography was performed 24 hr after injection. Additionally, we compared our results with those of a control group by reviewing the imaging findings and medical records of 16 patients who underwent sonographically guided compression of iatrogenic pseudoaneurysms between January 1998 and July 1998.RESULTS. Twenty-two of 23 pseudoaneurysms ocurring after catheterization were successfully treated with percutaneous thrombin injection. One recurrence was identif...