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Approximately three years after implantation, removal of a cardiac resynchronization therapy defibrillator (crt-d) resulted in cardiac tamponade due to damage to the free wall of the right atrium.The left ventricle (lv) lead had already come out of the coronary sinus vein at the start and had been pulled into the right atrial cavity, but it was stuck due to adhesion between the implantable cardioverter-defibrillator (icd) lead and the lv lead.A 12fr glidelight (excimer laser sheath) was used to peel away the adhesion between the lv lead and the icd lead.Peeling was successful up to the third electrode, but could not proceed further, so a 14fr glidelight was used instead.While advancing the sheath over the icd lead, cardiac tamponade occurred upon reaching the right atrium.The tamponade occurred solely due to advancing the sheath, without any laser irradiation prior to reaching the right atrium.The liberator was in the lv lead from the initial stage of lead detachment until the complication occurred.At the time the complication occurred, it was inserted into the stylet lumen of the lead in question.The evolution 9fr shortie only reached as far as the superior vena cava, so it was deemed not involved in this complication.After the diagnosis of cardiac tamponade, a median sternotomy was performed by a cardiac surgeon, the patient was connected to a heart-lung machine, and hemostasis measures were implemented.
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