Protected tavr study.It was reported that the distal filter of the sentinel cerebral protection system failed to maintain position in the carotid artery.A sentinel cerebral protection system was selected for use in a patient with minimal vascular tortuosity and mild calcification.Prior to the index procedure, heparin or another anticoagulant was given.The subject was on a prior regimen of aspirin and antiplatelets other than aspirin at the time of index procedure.The subject received a loading dose of aspirin.An introducer sheath was placed into the radial artery and the sentinel system was inserted with the proximal filter into brachiocephalic artery, and distal filter into left common carotid artery.During pre-balloon aortic valvuloplasty(bav) the distal filter was displaced from left carotid artery into the aorta.The procedure was continued and there was correct positioning of a non-bsc valve in the correct anatomical location.Post dilatation (bav) was performed and the procedure was completed.The sentinel cerebral protection system was successfully retrieved without any complications.
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