(b)(4).The results of the investigation are inconclusive since the device was not returned for analysis.The device history record for the above-referenced product was unable to be reviewed since the batch number is unknown.Based on the information received, the cause of the reported incident could not be conclusively determined.The pressurewire aeris instructions for use (ifu) states that potential complications which may be encountered during all catheterization procedures include but are not limited to: vessel dissection or occlusion, perforation, embolus, spasm, local and/or systemic infection, pneumothorax, congestive heart failure, myocardial infarction, hypotension, chest pain, renal insufficiency, serious arrhythmias or death.
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Following a procedure with a pressurewire aeris, the patient presented with symptoms consistent with tamponade.An echo confirmed a cardiac effusion.A coronary angiogram did not show any obvious dissection; however it was reported there was a dissection from the pressurewire which appeared to have sealed on its own.The patient was hospitalized due to this event, but no further intervention was performed.
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