It was reported that the procedure was to treat a 95% de novo lesion in the left anterior descending (lad) artery with heavy calcification and heavy tortuosity.After pre-dilatation with a 1.5x12mm semi-complaint balloon, the 3x28mm xience alpine stent delivery system (sds) was advanced to the target lesion and the stent was implanted.However, following post dilatation with a non-compliant balloon a distal edge dissection was noted.Therefore, another xience alpine stent was used to treat the dissection.There was no adverse patient sequela.
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The device was not returned for analysis.Lot history record (lhr) and exception reviews were performed and revealed no indication of a product quality issue.Additionally, a review of the complaint history identified no similar incidents from this lot.The reported patient effect of dissection is listed in the xience alpine everolimus eluting coronary stent system (eifu), electronic instructions for use as a known patient effect of coronary stenting procedures.A conclusive cause for the reported patient effect(s), and the relationship to the product, if any, cannot be determined; however, the subsequent treatment appears to be related to the operational context of the procedure.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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