It was reported that stent damage occurred.The target lesion was located in the highly calcified and highly tortuous left circumflex (lcx).A 3.00 x 28 synergy ii stent was unable to cross through a watchdog hemostasis valve and the stent became damaged.The watchdog was removed and replaced with exchanged with another watchdog.It was noted that the stent was damaged by the first watchdog, thus causing stent to deform upon placement in the lcx.The stent was successfully deployed after multiple balloons and the procedure was completed.It was noted that a 2.5 x 20 apex balloon was used to dilate the target lesion.No patient complications were reported in relation to this event and the patient was discharged home the same day.
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