It was reported that the burr became stuck in the lesion and detached.The 99% stenosed target lesion was located in the tortuous and severely calcified coronary vessel.A 1.5mm rotapro and a rotawire were selected for use in the percutaneous coronary intervention (pci) procedure of the circumflex (cx) artery.The device was prepared outside the body and platformed at 160,000rpm.During the procedure, the burr was advanced through the mamba guide catheter and a pecking motion was used during advancement.After multiple runs were performed, some degree of deceleration was noted in the rpms when the burr was engaged with heavily calcified lesion.During the fifth run, the proximal section of the burr had sheared off and the burr became stuck in the lesion.Another wire was passed and a 2.5mm apex balloon catheter was used to dislodge the burr.The physician then removed the devices successfully by pulling out the sheared burr and rotawire together.The procedure was completed successfully with balloons and stents.There were no patient complications reported and the patient's status was good post procedure.
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