It was reported that the procedure was to treat a de novo lesion located in the heavily calcified, mildly tortuous, 95% stenosed, proximal left circumflex.Pre-dilatation was performed prior to stenting with a 3.5x33 mm xience xpedition.After deployment a stent edge dissection was observed which required treatment with another xience xpedition stent.There was no reported clinically significant delay in the procedure.No additional information was provided.
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(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.Intimal dissection is listed in the xience xpedition everolimus eluting coronary stent systems instructions for use (ifu) as a known patient effect of coronary stenting procedures.Although a conclusive cause for the reported patient effects, and the relationship to the product, if any, cannot be determined, there is no indication of a product quality deficiency with respect to manufacturing, design or labeling.
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