It was reported that a hole in the catheter occurred.The chronic totally occluded (cto) target lesion was located in the mildly tortuous and severely calcified left anterior descending artery.A 2.00mm rotapro was selected for use.During preparation, the rota burr was opened, and the wire was loaded, then the draw test was performed.The saline infused with rotaglide leaked from the shaft side at the proximal part of the burr.The procedure was completed with a new burr.No complications were reported.
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