The device was not returned for evaluation.
A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.
The reported patient effect of atrial arrhythmias/fibrillation is listed in the xience sierra everolimus eluting coronary stent systems instructions for use as a known patient effect of coronary stenting procedures.
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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