The full lead was returned and analyzed.Analysis indicated that there was blood on the distal conductor of the lead and it was obstructed.The analyst noted that the guidewire insertion test was performed, the guidewire could not insert by back loading from the distal end due to dried blood obstructed visible inside the lead tip nose.Then, inserted the guidewire through the is-4 pin.The guidewire passed through the coil lumen to the distal tip and was obstructed by blood at the tip nose, and could not get throughout the lead distal end.There was no obstruction inside the coil lumen, excepted blood in tip nose.If information is provided in the future, a supplemental report will be issued.
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It was reported that during the implant procedure, the left ventricular (lv) lead was in the vessel with the guidewire out in front of the lead and when trying to advance the lead over the guidewire, the lead started to buckle and there was trouble pulling the guidewire back into the lead.The guidewire became stuck in the lv lead and there was difficulty getting the wire out.The lv lead was replaced.No patient complications have been reported as a result of this event.
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