It was reported that a detachment occurred, resulting in a cancellation.A 2.25 x 20mm synergy xd stent balloon expandable device was selected for use to treat a calcified lesion.During the procedure via subclavian pathway, numerous attempts were made to cross the calcified lesion but difficulty was encountered.When an attempt was made to withdraw the balloon catheter, it was noted that the balloon broke 20 cm before the stent.The stent and a piece of the balloon catheter migrated into the ascending aorta.The procedure was cancelled and rescheduled.During the subsequent procedure via femoral pathway, the piece of catheter was retrieved with a non-bsc snare.Radiation exposure of one gray occurred, but no direct patient consequence was reported.No further information is available.
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