This was a lead extraction procedure to remove one rv icd lead because of signs of failure including noise and rising impedance (class iia indication for extraction).The lead (bsc 0184, implanted 106 months) was prepped with an lld #2 and a 14f glidelight, no outer sheath, was used to lase.The laser sheath was unable to progress beyond the proximal coil, so the physician upsized to a 16f glidelight, no outer sheath, and was successfully able to advance past the proximal coil and the lead tip released from the rv.Resistance was then encountered in the svc when approaching the svc/ra junction.The laser sheath was manually advanced 4-5 cm before lasing was resumed.The lead was extracted successfully.While inserting the wire to place a new rv pacing lead, the patient's systolic blood pressure dropped from 104 to 84, then to low 40s.A pericardiocentesis was performed and the patient was transferred to the or for a sternotomy.A tear from the innominate to the svc/ra junction was discovered, however it was unclear where the tear originated (although it was suspected that it originated in the svc/ra junction).The vessel wall was paper thin and "unraveled" during the repair which prevented suturing and utilization of bypass.It is also unclear whether the injury occurred from lasing or from manual advancement of the laser sheath in the svc.Unfortunately, all efforts to save the patient were unsuccessful and the patient did not survive the intervention.
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