It was reported through a research article that a non-abbott stent was implanted in the left circumflex artery, but protruded into the left main artery.One month later, during implantation of a 3.0x38mm xience alpine stent in the left main artery to the anterior descending coronary artery, it was noted that the wall apposition was poor around the area of the previously implanted non-abbott stent.At the area of malapposition, thrombus was noted.Treatment is unknown.For complete reported information, please see the attached article, titled ¿napkin ring formation in culotte stenting using current-generation drug-eluting stents in left main coronary artery bifurcation.".
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Date of event ¿ estimated.Treatment/therapy start date - estimated.Date of implant ¿ estimated.The device was not returned for evaluation.A review of the lot history record and complaint history of the reported lot could not be conducted because the lot number was not provided.The reported patient effect of thrombosis/thrombus is listed in the xience alpine everolimus eluting coronary stent systems instructions for use (ifu) as a known patient effect of coronary stenting procedures.A conclusive cause for the reported patient-device incompatibility, thrombosis/thrombus, and serious injury/ illness/ impairment, and their relationship to the product, if any, cannot be determined.There is no indication of a product quality issue with respect to manufacture, design, or labeling.Attached article, titled ¿napkin ring formation in culotte stenting using current-generation drug-eluting stents in left main coronary artery bifurcation.".
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