This event was reported in the q2 2020 intermacs data registry that tracks clinical outcomes of patients on ventricular assist device (vad) support.The data registry does not contain device identifying information or event date and therefore cannot be correlated to any previously received report of the event.Based on the provided data, device analysis will not be possible and no further information will likely be made available concerning the event.Event summary: a pump with unknown serial number was not returned for evaluation.This complaint is associated with a clinical adverse event.Based on the available information, there is no evidence to indicate that a device malfunction or performance issue caused or contributed to the reported event.Possible clinical factors that may have contributed to this event include the patient¿s pre-existing history and related comorbidities, the progression of their underlying disease, issues related to the therapeutic use of anticoagulant and antiplatelet medications and the patient's complex post-operative course.There are possible patient, pharmacological and procedural factors that may have contributed to this event.If information is provided in the future, a supplemental report will be issued.
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