As the lot number for the device was not provided, a manufacturing review could not be performed.The sample was not returned to the manufacturer for inspection/evaluation.Therefore, the investigation of the reported event is inconclusive.Based upon the available information, the definitive root cause for this event is unknown.The instructions for use (ifu) is adequate for the reported device/patient code(s) and provides general instructions for use, as well as warnings, precautions and potential complications associated with the device.Upon receipt of new or additional information, a follow-up report will be submitted as applicable.Journal article citation: garrity, d., graves, m., linden, j., pierre, p.S., ducharme, p., zhao, y., ¿ weinstein, r.(2019).Performance characteristics of the powerflow apheresis port: early experience.Journal of clinical apheresis.Doi: 10.1002/jca.21743.
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It was reported in an article in the journal of clinical apheresis titled " performance characteristics of the powerflow apheresis port: early experience " that in a prospective study of four patients undergoing outpatient therapeutic plasma exchange (tpe), pressure alarm occurred in six of the forty seven procedures.It was further reported that the healthcare providers attempted to use very fast inlet flow rate, however, it was resolved by lowering the inlet flow rate by 10% in five of them.In patient number two, the pressure alarm occurred due to thrombus, however, it was resolved by pausing the procedure, aspirating and then flushing the port with saline.The current status of the patients was not provided.
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