A patient was undergoing continuous renal replacement therapy (crrt) on a prismaflex control unit in continuous veno-venous hemodiafiltration (cvvhdf) mode.When attempting to return the extracorporeal blood to the patient, the prismaflex filter set allegedly unloaded before the operator was able start the blood return; the access line had been connected to a saline bag and the return line was still connected to the patient.The clinician stated there was no adverse event to the patient as a result of this alarm/issue, indicating that all clamps on the filter set had been clamped by the operator as instructed in the prismaflex graphical user interface and the operators¿ manual prior to the filter set becoming unloaded.The blood volume contained in the extracorporeal circuit could not be returned to the patient.No additional information is available.
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