It was reported that the burr dissected the vessel and the patient experienced vessel perforation and pericardial effusion.The target lesion was located in the mildly tortuous and moderate to severely calcified mid left anterior descending artery (lad).A 1.75mm rotalink¿ burr was selected for use.During the procedure, it was noted that the proximal lesion in the lad was treated successfully after the third ablation.Furthermore, ablation in the mid lesion in the second diagonal branch was performed and it was treated successfully after the fourth ablation.During removal of the burr, it was noticed after taking a picture that there was a 5mm dissection in the distal lad and a vessel perforation was also observed distal to the dissection.A non-bsc balloon catheter was then inflated proximal to the mid lesion and proximal to the dissection.When the balloon was deflated, rewiring was done utilizing a non-bsc guidewire.The balloon was inflated again to dilate the vessel, thus closing the dissected portion.A synergy¿ stent was then positioned across the dissection and perforation.Blood flow from the lad into the pericardium was consequently blocked and a pericardial effusion drain was inserted to the patient.This was removed early the next morning and had drained only a very small amount of fluid from the pericardium.No further patient complications were reported and the patient's status was stable.
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