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Percutaneous Retrieval of Lost or Misplaced Intravascular Objects

¹ All authors: Department of Diagnostic Radiology, University Clinics of Ulm, Robert-Koch-Str., D-89081 Ulm, Germany.

View larger version (139K): [in a new window]   Fig. 1A. —61-year-old man with pneumonia. Radiograph shows central venous catheter fractured during removal. Catheter fragment (arrowheads) embolized to right ventricle. After advancing multipurpose catheter, we ensnared fragment with loop.

View larger version (103K): [in a new window]   Fig. 1B. —61-year-old man with pneumonia. Radiograph shows snared tip of catheter fragment (arrow) at level of inferior vena cava during retrieval. Whole system was removed through femoral vein approach.

View larger version (144K): [in a new window]   Fig. 2A. —59-year-old woman with pseudoaneurysm of superior mesenteric artery. Radiograph shows broad filling of aneurysm with multiple stainless steel coils. Coil dislodged into central portion of superior mesenteric artery after inadvertent loss of catheter position. Gooseneck snare (arrow) was manipulated until it surrounded coil. Coil was fixed by cinching snare back into guiding catheter.

View larger version (133K): [in a new window]   Fig. 2B. —59-year-old woman with pseudoaneurysm of superior mesenteric artery. Radiograph shows coil being withdrawn together with catheter out of right femoral approach.

View larger version (136K): [in a new window]   Fig. 3A. —58-year-old man with broad vertebral metastasis from renal cell carcinoma and paraparesis because of spinal cord compression. Preoperative embolization was required before resection of vertebra. Angiogram shows feeding vertebral artery (thick arrow) before capillary embolization of metastasis (thin arrows).

View larger version (115K): [in a new window]   Fig. 3B. —58-year-old man with broad vertebral metastasis from renal cell carcinoma and paraparesis because of spinal cord compression. Preoperative embolization was required before resection of vertebra. Radiograph shows incorrect placement of coil at vessels entry with more than one third of coil protruding into aorta. Free end of coil is captured with grasping forceps (arrow) after multiple attempts to snare coil.

View larger version (108K): [in a new window]   Fig. 3C. —58-year-old man with broad vertebral metastasis from renal cell carcinoma and paraparesis because of spinal cord compression. Preoperative embolization was required before resection of vertebra. Radiograph shows coil partially withdrawn into multipurpose catheter. Free end of coil resumes its predefined configuration after being pulled back into aorta.

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