It was reported that procedure was to treat a lesion in proximal left anterior descending (plad) artery with heavy calcification.The 4x23mm xience skypoint stent delivery system (sds) was advance to the target lesion and the stent was implanted.The stent was noted to be narrower in the center.Therefore, a balloon was used for post dilatation.After balloon dilatation a perforation was noted.Therefore, a nc trek balloon was used to attempted to treat the perforation; however, was not successful.The perforation was treated with implantation of a non-abbott stent.There was no adverse patient sequela.No additional information was provided.
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The device was not returned for analysis.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history identified no similar incidents from this lot.The investigation was unable to determine a conclusive cause for the reported wall apposition.The reported treatment appears to be related to operational context of the procedure.A conclusive cause for the reported patient effect(s), and the relationship to the product, if any, cannot be determined.The reported patient effect of a perforation is listed in the xience skypoint, everolimus eluting coronary stent system (eecss), electronic instructions for use as a known patient effect of coronary stenting procedures.There is no indication of a product quality issue with respect to manufacture, design, or labeling.
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