CTICasesIntentionally Retained Intra-Aortic Guide Wire
Imaging findings
Chest CT post coronary artery bypass grafting (CABG) shows a retained guide wire with a J-tip confined entirely within the lumen of the descending thoracic aorta. This wire was intentionally left in place via femoral access in anticipation of potentially needing an intra-aortic balloon pump (IABP).
Key takeaways
While retained guide wires are usually accidental iatrogenic foreign bodies, they are occasionally intentionally left in the femoral artery and aorta during high-risk cardiac surgery or cardiac catheterization. This provides immediate, secure vascular access if hemodynamics deteriorate and an IABP is needed, and should be distinguished from accidental loss of hardware.
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