The customer reported that during a therapeutic plasma exchange (tpe) procedure, they received a ¿cells detected in the plasma line from centrifuge¿ alarm and noted red tinge in the plasma that they described as hemolysis.The rn was unable to resolve the alarms, therefore, she ended the procedure and disconnected the patient.The customer declined to provide the patient identifier.The therapeutic plasma exchange (tpe) set is not available for return because it was discarded by the customer.
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This report is being filed to provide additional information.During follow-up with the customer, they stated that the procedure was performed again on the following day on the same machine and no hemolysis was detected.Root cause: a definitive root cause could not be determined.Although root cause was inconclusive, possible causes include the following, based on customer's statements review:- hemolysis due to an occlusion in the disposable set- hemolysis due to pharmacy error in saline/replacement solution, use sterile water instead of saline.According to the article, 'unexplained hemolysis in patients undergoing ecmo: beware of hypertriglyceridemia' the researchers explains how hemolysis is a common complication of extracorporeal membrane oxygenation (ecmo) support and per the physician, the reported patient was being treated in the icu due to his complex disease state.Citation: venado, a, et al."unexplained hemolysis in patients undergoing ecmo: beware of hypertriglyceridemia." perfusion, vol.30, no.6, 2014, pp.465¿468.,doi:10.1177/0267659114557693.
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