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It was reported that the procedure was to treat a lesion in the distal right coronary artery (drca) with heavy calcification.The 2.25x12mm xience skypoint stent delivery system (sds) was advanced but initially stated as failed to deploy.The balloon was deflated and it was noted that there was no stent and the stent was found in the protective sheath.However, the patient suffered a dissection with some contrast flowing outside the artery.It was contained.The patient will be brought back and make another attempt to complete the procedure.There was a clinically significant delay in the procedure.Subsequent to filing the initial report, update to event or problem: the dissection was not treated but was contained.
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A visual, and dimensional inspection was performed on the returned device.The reported stent dislodgement was confirmed.Production record and corrective and preventive actions (capa) reviews were performed and revealed no indication of a product quality issue.Additionally, a review of the complaint handling database identified no other complaints.The reported patient effect of dissection is listed in the xience skypoint, everolimus eluting coronary stent system (eecss), electronic instructions for use (eifu) as a known patient effect of coronary stenting procedures.It was reported that the xience skypoint was inserted into the body and once the balloon was inflated/deflated, the stent was found in the protective sheath.It should be noted that the xience skypoint, everolimus eluting coronary stent system (eecss), electronic instructions for use (eifu), states to carefully remove the system from the package and inspect for bends, kinks, and other damage.Verify that the stent does not extend beyond the radiopaque balloon markers.Do not use if any defects are noted.It is unknown if the ifu deviation directly caused or contributed to the reported event.A conclusive cause for the reported stent dislodgement could not be determined; however, stent dislodgement may be attributed to several factors including, but not limited to, improper or inadequate crimping at the time of manufacture, incorrect sheath sizing, positive pressure during preparation, forced sheath removal, handling of the stent during preparation, interaction with the anatomy, or interaction with accessory devices.In this case, it is possible that inadvertent mishandling during sheath/stylet removal and/or preparation of the device may have contributed to the reported stent dislodgement; however, this cannot be confirmed.A conclusive cause for the reported patient effect, and the relationship to the product, if any, cannot be determined.There is no indication of a product quality issue with respect to manufacture, design, or labeling.
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