Investigation: per the american association of blood banks (aabb) therapeutic apheresis: a physician's handbook,t he rate of adverse events during therapeutic apheresis is 4-5% with the risk being slightly higher during a first-time procedure.Within the study, most complications were minor and well tolerated.A review of the device history record for this lot showed no irregularities during manufacturing that were relevant to this issue.Terumo bct performed an autotest and full simulated run on the machine involved in this event.No issues were found.Root cause: the available evidence points to the reactions as being vasovagal and physiologic responses to the apheresis procedures.
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The customer reported that a patient had a reaction during a mononuclear cell (mnc) collection during an mnc research procedure.The patient became diaphoretic and hypotensive after the first attempt to place peripheral iv.This was the patient's first donation procedure.This initial reaction was resolved.One hour and ten minutes after the start of the procedure, the patient complained of dizziness and was hypotensive.One liter of normal saline was administered as a bolus.The customer suspects vasovagal reaction.The procedure was ended when adequate access was lost at 5,200ml and the procedure was not restarted.The patient was discharged on the same day as his values returned to his healthy baseline.The disposable set is not available for return, because it was discarded by the customer.
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