The complainant reported a (b)(6) male patient presenting with acute myocardial infarction and cardiogenic shock for breethe ecmo support.During use of the device, stoppage of flow occurred that required hand cranking of the device to sustain the patient's support.The patient's mean arterial pressure dropped to the "low 50's" during this time.The pump driver was suspected as problematic, therefore, was switched out (along with a new pump) and flow was restored.
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Data logs as well as an image of the device's cannula was provided.Discussions with the facility noted that a high volume of blood traveling down the graft which led to a backup of venous blood in the arm.The patient was also noted to have been without heparin for "several hours" prior to the incident.Analysis of the provided image revealed clot throughout the cannula.Data logs noted several instances of rapid reduction of blood flow and subsequent recovery during use.As such, we believe the root cause of the reported issue was related to ingested biomaterial.The following revisions have been made for section d: brand name, common device name, model number, catalog number, serial number, expiration date, and unique identifier (udi) number.The following revisions have been made for section h: device manufacture date.
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