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Retrieval of vascular foreign bodies using a self-made wire snare
C V Mallmann1, K-J Wolf, F K Wacker
1Klinik und Hochschulambulanz für Radiologie und Nuklearmedizin, Charité Universitätsmedizin Berlin, Berlin, Germany.
Background:
Foreign bodies in the vascular system have a high potential to cause embolization, perforation, and infection. Therefore, numerous commercially available percutaneous retrieval devices have been developed.
Purpose:
To evaluate the feasibility and efficacy of a self-made wire snare for the retrieval of foreign bodies in the vascular system.
Material And Methods:
16 consecutive patients, who underwent percutaneous foreign-body retrieval between 1997 and 2007, were included in this retrospective analysis. Percutaneous extraction was performed using an adjustable wire snare that was fabricated using a 5F diagnostic Headhunter or Multipurpose catheter and a 4-m-long 0.018-g/inch standard heavy-duty wire that was bent in the middle to create an eccentric loop.
Results:
Percutaneous foreign-body retrieval was successful in all 16 cases. Intraluminal materials including partially fractured venous catheters, guidewires, a stent, and a vena cava filter were removed from various locations. In six cases, mobilization of the intraluminal material via a pigtail catheter was necessary before using the wire snare for removal. Successful retrieval was investigator independent. In no cases were surgical procedures required, and no relevant complications were encountered.
Conclusion:
This snare technique is an effective, feasible, and cost-effective method to retrieve intraluminal material. It is an alternative to commercially available retrieval devices.
