Abstract
Development of an arterial pseudoaneurysm is a common complication following cardiac catheterization. We analyzed data from 6300 patients who received left heart catheterization at our institution. One day after the procedure, approximately 10% of the patients were examined with duplex sonography. In 204 patients (3.0%), a pseudoaneurysm of the femoral artery was diagnosed. All patients underwent compression therapy. Thereby, 159 of the pseudoaneurysms could be treated successfully. The remaining 45 pseudoaneurysms had a maximal diameter of more than 1.5 cm. Forty-two patients underwent ultrasound and biopsy-line—guided thrombin injection without complications. This strategy resulted in a successful occlusion in 41 cases. Pseudoaneurysms smaller than 2 cm can be treated with compression therapy. Larger pseudoaneurysms can be occluded by thrombin injection using ultrasound guidance. Patients with a pseudoaneurysm with a wide “neck” should be treated surgically, because the risk of an arterial occlusion following thrombin injection cannot be excluded.
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