It was reported that the patient died.The 90% stenosed target lesion was located in the mildly tortuous left anterior descending artery (lad).A 10mmx2.50mm wolverine coronary cutting balloon and 5.50mm x 12mm nc emerge were selected for use.During the procedure, a non-boston scientific ivus catheter advanced to view the proximal to middle left anterior descending artery, however, it was unable to cross the lesion.Then a wolverine was used but it was also unable to cross the lesion.While attempting to cross the lesion several times, dissection and perforation occurred in the left main trunk to the lad proximal with the guide wire, so the nc emerge balloon was used to treat it, but it could not stop the bleeding.The patient died.
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