Dislodged and mechanically distorted stent stuck within a previously implanted drug-eluting stent
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Abstract
Coronary stent loss during percutaneous coronary intervention is rare and is often associated with significant morbidity. Several retrieval techniques, overlying stent deployment and crushing, and surgical removal can be used to deal with a stent lost in the coronary system. We successfully treated a dislodged and mechanically distorted coil stent stuck within a previously implanted drug-eluting stent (DES) by stent-crush technique. This case might provide insight into the mechanisms responsible for the longitudinal fragility of cobalt alloy and coil-structure stents and stent fracture of DES. In the DES era, careful attention should be paid to such complications when attempting to deliver a stent to a distal vessel through a pre-existing DES.
Keywords
Bailout procedure Complication Drug-eluting stent Stent fracture Intravascular ultrasoundNotes
Conflict of interest
None.
Supplementary material
Online Resource 1. Coronary angiography revealed that the Endeavor stent was stuck in the proximal LAD within the Taxus stents. AP, CAU 30 view (MPEG, 2429 kb)
Online Resource 3. Final angiography of the left coronary artery. Left anterior oblique 30, CAU 30 view (MPEG, 2075 kb)
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