This ra lead was implanted on (b)(6) 2006 and remains implanted at this time.A call placed to technical services on (b)(6) 2013 states representative called about to do generator change with dr.(b)(6).Impedance on this lead went from 420 at implant to 380 today.Representative did think there was evidence of some inappropriate sensing in past.On a follow up call placed on the same day of the first call states lead was kinked.There had been noise noted on atrial channel prior to change out.Physician also noted some abrasion of insulation, but no blood in lumen.Physician elected to use lead repair kit to repair lead.Representative stated that impedance was in the 400 range and then over the past year had decreased to the 370-380 ohm range.After repairing lead impedance went back up to 450 ohms.Threshold was always good.Dr.(b)(6) did procedure at (b)(6).No additional information is available.This report reflects information received by fda in the form of a notification per 803.22 (b)(2).
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