Cardiac resynchronization therapy device implantation in a patient with persistent left superior vena cava without communicating innominate vein - should we proceed from the same side? - A dilemma revisited

Persistent left superior vena cava (PLSVC) is an uncommon congenital anomaly. We report a case of implantation of cardiac resynchronization therapy - pacemaker (CRT-P) device in a 38-year-old lady with idiopathic dilated cardiomyopathy. After left axillary vein puncture, we faced an unexpected entry of left subclavian to PLSVC draining into the coronary sinus (CS). The target posterolateral vein which had been identified before, seemed to have an acute angle at its entry into the CS. Hence, at this stage we were in a dilemma, whether to switch to the right side or to continue from the same side. We continued the procedure from the left side and completed it successfully after some manipulation and improvisation.

Abstract licence: CC BY-NC-ND

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