Investigation: the run data file (rdf) was analyzed for this event.Root cause: a definitive root cause could not be determined.Run data file analysis did not show a conclusive root cause for the higher than expected wbc content in the platelet product reported for this collection.The procedure was event free, with no alerts, adjustments, or changes in pump speed that could have caused wbcs to escape the lrs chamber.Based on the available information, it is possible though not conclusive, this failure may be donor related.
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The customer would like the run data file investigated to determine a possible cause for the elevated white blood cell (wbc) content in the plasma product collected during a platelet collection procedure.There was not a transfusion recipient or patient involved at the time of the residual white blood cell (rwbc) testing, therefore no patient information is reasonably known at the time of the event.The platelet collection is not available for return because it was discarded by the customer.This product is not available within the us, but this report is being filed due to an alleged failure that could occur on a similarly marketed device platform cleared for use by the fda.
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