Key result
In 11 patients with persistent left superior vena cava, individualized pacing strategies were required, achieving a 90.9% survival rate over 12 years of follow-up despite technical challenges and complications.
Observational (n=11)
No
In patients with persistent left superior vena cava, permanent cardiac pacing is feasible but technically challenging, often requiring individualized strategies such as transvenous left atrial/ventricular pacing or epicardial lead placement to manage or avoid complications.
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Individualized pacing may be feasible in PLSVC; leaves open prospective validation of strategies before wider adoption.
Polewczyk et al. (2014) conducted an observational in Persistent left superior vena cava (PLSVC) requiring permanent cardiac pacing (n=11). Permanent cardiac pacing (PM, ICD, CRT) implantation was evaluated on Efficacy of permanent pacemaker implantation and incidence of complications. In 11 patients with persistent left superior vena cava, individualized pacing strategies were required, achieving a 90.9% survival rate over 12 years of follow-up despite technical challenges and complications.
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