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A Polewczyk, A Kutarski, E Czekajska-Chehab, P Adamczyk, K Boczar, M Polewczyk and M Janion
Abstract
Persistent left superior vena cava (PLSVC) is present in about 0.3%-0.5% of the general population and in about 12% of patients with other abnormalities [1]. This congenital anomaly is usually asymptomatic and does not cause any physiological problems. However, it may become a significant problem in multiple clinical situations. Various complications related to PLVSC are encountered in anaesthesiological, nephrological, oncological and cardiological procedures. The presence of PLSVC is usually incidentally detected during placement of pacemaker (PM), implantable cardioverter-defibrillator (ICD) and cardiac resynchronization therapy (CRT) leads. Technical difficulties during lead positioning (especially ventricular leads) are commonly known and often described in the literature. The purpose of the present study was to evaluate the specific methods used for implantation of increasingly complicated pacing systems, finding an optimal strategy in patients with PLSVC, especially with electrotherapy complications.
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