The device was not returned for evaluation.The reported patient effect of dissection is listed in the xience xpedition 48 everolimus eluting coronary stent system instructions for use as a known patient effect of coronary stenting procedures.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.A conclusive cause for the reported patient effect, and the relationship to the product, if any, cannot be determined.However, the 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.The xience xpedition 48 is currently not commercially available in the u.S.; however, it is similar to a device sold in the u.S.
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It was reported that the procedure was performed to treat an 80% stenosed, moderately tortuous, and moderately calcified lesion in the left circumflex artery.The patient presented with sever angina.Following pre-dilatation, a 3.0x48mm xience xpedition stent was deployed at 16 atmospheres.Fluoroscopy post-stenting showed an edge dissection at the proximal end of the stent.The dissection was successfully treated with an unspecified xience xpedition stent.There were no adverse patient sequela and no clinically significant delay in the procedure.No additional information was provided.
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