Received information from the field about a perceval plus (unknown model #, serial #) that was implanted, (unknown date), and the patient having profound thrombocytopenia on day one or two post op.No further information is provided about the device functionality at the time of the event, patient impact, nor any treatment provided.
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Since the device serial number was not provided and the device remains implanted, no investigation is possible at this time.The manufacturer attempted to retrieve additional information on this event, but no further information has been received to date despite the manufacturer's attempts.Based on the information available, it is not possible to draw a definitive root cause for the reported event.However, per the document review performed, no manufacturing deficiencies were identified with the perceval valve involved in the event.Thrombocytopenia (tcp) in cardiac surgery is a very well-known phenomenon.The etiology is multi-factorial due to multiple factors including hemodilution, blood loss with volume repletion with platelet-poor fluids, platelet activation, consumption and destruction due to contact with foreign surfaces.Tcp following aortic valve replacement (avr) is also a common phenomenon.Patient factors and prolonged extracorporeal circulation all being recognized predictors of tcp following cardiac surgery.Should any further information be received in the future, the manufacturer will provide an update to this reporting activity as applicable.
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