A Simple Rescue Maneuver to Retrieve Intravascular Foreign Body: The Triple Wire Twisting Technique.

Device fracture causing intravascular foreign body (IFB) is a rare event during endovascular procedures, with potential catastrophic outcome if not promptly removed. We present two cases of retrieval of fractured devices during peripheral lower limb procedures using three guidewires tangled around the IFB. Case 1 was a patient with critical limb ischemia. During balloon angioplasty of a high calcified peroneal artery, the balloon catheter Amphirion Deep 2.5/150 mm (Medtronic) fractured in two pieces, leaving a 20 cm distal part into the artery. Three 0.014" guides were advanced distally the IFB and twisted all together using a single torque-device. It was possible to pull back the long balloon fragment into the popliteal and to reline it inside a 5 French sheath. Case 2 was a patient with acute limb ischemia. During the mechanical thrombo-aspiration using the Indigo System (Penumbra inc.), the distal wire of the olive-shaped separator cracked in the posterior tibial artery. By crossing the IFB with three 0.014" wires and twisting them around it, this 15mm fragment was successfully recaptured. We named this procedure Triple Wire Twisting Technique and, in our experience, this technique is safe and effective to recapture IFB during complex peripheral procedures. This poorly known rescue technique is not complex and requires materials that are available in all cath-lab. We truly believe that physicians can take advantage of knowing it when facing with IFB in any vessel.

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