A diamondback coronary orbital atherectomy device was selected for treatment of a lesion in the left anterior descending (lad) artery.The vessel was tortuous and had a calcium shelf located within the bend of the vessel.Radial access was obtained, and the oad was advanced to the lad artery.However, due to the tortuosity of the vessel, it could not be advanced into the lesion.The oad was removed from the patient, and a dissection was identified.The dissection flap caused the vessel to shut down, and balloon angioplasty was performed to expand the vessel.The vessel was successfully re-opened.Following resolution of the dissection, further complications arose, and the patient was sent for bypass surgery.The physician stated the issues experienced after resolution of the dissection were unrelated to csi product.The patient was reportedly fine after the surgery.
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