To date the impella rp pump product and data logs have not been returned for investigative analysis.The return process from the field has begun.Pending return of the product and data logs, the only review possible has been that of the manufacturing records.There are no other complaints made against this lot of impella rp pumps for the failure mode of hemolysis.The root cause of the hemolysis can not be determined at this time.The manufacturer will continue to investigate all reasonable obtainable source information, and will file a supplemental medwatch report if they become available.(b)(4).
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On the (b)(6), a (b)(6) year old male was admitted with back and shoulder pain.The patient was taken to the cardiac catheterization lab and a ventricular septal defect (vsd) was observed.The vsd was thought to be caused by a myocardial infarction.An impella cp was placed for support.Four days later, on the (b)(6), due to right ventricular failure, and impella rp was placed for right heart support.The patient returned to the icu and was monitored for right heart filling and given fluids.The patient's condition decompensated on the night of the (b)(6) and the team drew labs to confirm a diagnosis of hemolysis.After twenty two hours of impella rp support the pump, the rp was explanted and va- extracorporeal membrane oxygenation (ecmo) was placed due to concerns of hemolysis.On the (b)(6), the team cared for the hemolysis and proceeded with support.The patient's support continued with the va- ecmo and impella cp for ten more days.During these days of support, the patient experienced multiorgan failure, was placed on dialysis, received blood product replacement, and eventually care was withdrawn.The patient expired on the (b)(6) 2017.
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