Date of event, relevant tests/laboratory data, treatment dates/therapy dates, implant date: dates are estimated.Unique device identifier (udi#): in the absence of a reported part number, the udi cannot be calculated.The device was not returned for analysis.A review of the electronic lot history record (elhr) and similar incident query for this product was not performed because the part and lot numbers were not reported.The investigation was unable to determine a conclusive cause for the reported wall apposition; however, factors that may contribute wall apposition include, but are not limited to, incorrect device size for lesion, patient anatomical morphology, and patient disease state.The reported patient effects of thrombosis and stenosis are listed in the xience alpine everolimus eluting coronary stent systems instructions for use as known patient effects of coronary stenting procedures.The reported patient effects appear to be related to operational circumstances of the procedure.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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Details are listed in the article, titled "difference of vascular healing between bioabsorbable-polymer and durable-polymer new generation drug-eluting stents: an optical coherence tomographic analysis" it was reported through a research article identifying xience alpine drug-eluting stents that may be related to the following: uncovered and malapposed stent struts which may influence the neointimal layer observed by optical coherence tomography (oct).The neointimal layer was possible smooth cell hyperplasia, neoatherosclerosis, or a layer of organized thrombus.
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