Key result
Transvenous endocardial screw-in lead placement via a unilateral persistent left superior vena cava was successfully achieved in the lower lateral wall of the right atrium.
Demonstrates the feasibility of placing a transvenous endocardial screw-in lead in the right atrium via a unilateral persistent left superior vena cava.
May enable atrial pacing via persistent left SVC in select cases; leaves open generalizability and safety in larger cohorts.
A patient who suffered from sinus node dysfunction and automatic atrial tachycardias underwent pacemaker implantation during which time a unilateral left superior vena cava was found. Despite the known difficulties in using this venous route, it was possible to place a transvenous endocardial screw-in lead in a stable position in the lower lateral wall of the right atrium.
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Robbens et al. (1986) studied this question. Transvenous endocardial screw-in lead placement via a unilateral persistent left superior vena cava was successfully achieved in the lower lateral wall of the right atrium.
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