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It was reported that the procedure was to treat a moderately tortuous lesion in the left anterior descending (lad) artery.Reportedly, a 2.25x33mm xience skypoint drug eluting stents (des) was attempted to be advanced, but the guide catheter (gc) tip was damaged, and the des could not reach the lesion.The first stent was difficult to remove because the guide catheter tip was damaged and prevented the stent from easily being retracted.The gc was replaced and another 2.5x33mm skypoint des was advanced, however the vessel was tortuous, and the guide catheter had difficulty navigating the tortuous anatomy and kept ¿popping out¿ of the left coronary ostium.The deployer also realized that the 2.5x33mm des was the incorrect size.The des did not reach the target lesion.A 2.5x15mm was then advanced but again, the vessel was tortuous, and the guide catheter had difficulty navigating the tortuous anatomy and could not advance to the lesion.It was also determined that the lesion needed more preparation.A 3x28mm was then attempted but the vessel was tortuous, and the guide catheter had difficulty navigating the tortuous anatomy, and this size stent did not work as well.The des could not reach the lesion to be treated.After further vessel preparation and using a shorter length stent, they were able to treat the target lesion and successfully complete the procedure.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 did not indicate a lot specific quality issue.The investigation determined the reported difficulties appear to be related to circumstances of the procedure.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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