During a coronary atherectomy procedure using a csi orbital atherectomy device (oad), a perforation occurred and the patient expired.The target lesion was located in the right coronary artery (rca) and was treated using one pass with the oad on low speed.When the device was retracted, a perforation was noted.The oad was removed and two stents were deployed across the perforation.The patient became unstable and lost consciousness, and cardiopulmonary resuscitation was performed.The patient was intubated and insertion of a ventricular assist device was attempted, however severe stenosis prevented insertion.Balloon angioplasty was performed inside the stent and an additional stent was placed in the proximal rca.Although the patient was in stable condition at the end of the procedure, it was reported that the patient expired following the procedure.
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