Background
Persistent left superior vena cava (PLSVC) is the most common thoracic
venous anomaly, being present in 0.3-0.5% of the general
population1. Most patients also have a right superior
vena cava (RSVC), which is usually connected to the PLSVC via a left
brachiocephalic vein2. However, in 18% of cases the
VCSD is absent2. Patients with PLSVC are usually
asymptomatic. The condition is generally discovered incidentally in
imaging techniques, or during central venous cannulation
procedures1,2.
Clinical experience on intracardiac device implantation in patients with
PLSVC is scant and limited to isolated case reports3,4,5. In this paper, we present two cases of PLSVC
with the absence of RSVC, wherein we performed intracardiac device
implantation using a novel technique to introduce and place the leads
into the right ventricle (RV).