It was reported that the procedure was performed to treat a moderately tortuous and mildly calcified lesion in the ostial left anterior descending artery.Following pre-dilatation, a 3.5x48mm xience xpedition stent was deployed.The stent was post-dilated; however, after it was observed that the stent elongated into the left main artery.The stent remained deployed at the target lesion.There were no adverse patient effects and no clinically significant delay in the procedure.No additional information was provided.
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The device was not returned for analysis.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history identified no other incidents from this lot.As the 3.5x48mm xience xpedition stent was initially deployed successfully, the investigation determined the reported difficulties appear to be related to circumstances of the procedure as it is likely that during post-dilatation interaction with the post-dilatation device resulted in the reported stretched/elongated stent.There is no indication of a product quality issue with respect to manufacture, design or labeling.A cine was received and reviewed by an abbott vascular clinical specialist.In conclusion, the cine provided showed a 3.5x48 mm xience xpedition being successfully deployed in the proximal lad, not ostial, per the incident report.No stent elongation was noted.Device malfunction was not observed.Na.
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