The customer reported a patient reaction that occurred during a therapeutic plasma exchange (tpe) procedure on a spectra optia device.The patient complained of hives, dizzy, lightheaded, pallor, short of breath.The attending physician decided to abort the procedure and ordered 50 mg of benadryl by iv.Per the customer, the patient recovered.He was inpatient and remained inpatient.Calcium gluconate was administered prior to the procedure at a rate of 25mg/kg/hr for the duration of the procedure for a total of 4923mg.The disposable 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 in h6 & h10.Investigation: per the customer, the same patient underwent another tpe procedure earlier on march 2nd and became short of breath, diaphoretic, pale, and fainted.He was given oxygen (15 l per min non rebreather) and recovered.He was inpatient and remained inpatient.According to therapeutic apheresis: a physician's handbook, adverse events occur during therapeutic procedures with a frequency of 4.8%.Symptoms of these allergic reactions may include hives, dyspnea, wheezing, burning eyes, tachycardia, hypotension, and or facial swelling and flushing.Mild reactions can be treated with diphenhydramine administered through an iv.The disposable lot query was performed for lot 2011033130 and no similar reported occurrences were received against this lot to date.A review of the device history record (dhr) for this unit showed no irregularities during manufacturing that were relevant to this issue.Root cause: a definitive root cause for the patient's reaction could not be determined.Possible causes for the patient's reaction include but are not limited to - ac management during the procedure, - the length of the procedure and/or patient sensitivity to anticoagulant, ethylene oxide used to sterilize the disposable set - an allergy to replacement solution.
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