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Published on: July 18, 2014
[Implantation of a re-synchronization device in a patient with persistent left superior vena cava-a case report]
D Reinhardt1, R Surber, H Kuehnert
1Universitätsklinikum Jena, Klinik für Innere Medizin I (Kardiologie, Angiologie, Pneumologie, Internistische Intensivmedizin), Erlanger Allee 101, 07747 Jena. Dirk.Reinhardt@med.uni-jena.de
Insights
A persistent left superior vena cava (PLSVC) can complicate cardiac resynchronization therapy by obstructing lead placement. This case report details successful implantation despite this rare anomaly.
Area of Science:
- Cardiology
- Medical Devices
- Anatomical Variations
Background:
- Persistent left superior vena cava (PLSVC) is a rare congenital anomaly, present in 0.3-0.5% of the population.
- PLSVC typically remains asymptomatic but can pose challenges in cardiovascular interventions.
- Understanding SVC variations is crucial for procedures like pacemaker and ICD implantation.
Observation:
- This report details the successful implantation of a cardiac resynchronization system in a patient with PLSVC.
- PLSVC can present a significant anatomical challenge for cannulating the coronary sinus.
- The anomaly may impede the placement of a transvenous left ventricular lead, essential for CRT.
Findings:
- Successful cardiac resynchronization therapy (CRT) implantation was achieved in a patient with PLSVC.
- The study highlights the need for careful pre-procedural planning in patients with venous anomalies.
- Adaptation of techniques may be required to overcome anatomical obstacles presented by PLSVC.
Implications:
- This case demonstrates that CRT is feasible in patients with PLSVC, albeit with potential technical difficulties.
- Awareness of PLSVC is vital for electrophysiologists and interventional cardiologists.
- Further research may explore optimized strategies for CRT implantation in patients with complex venous anatomy.
Abstract:
We report an implantation of a cardiac re-synchronization system in a patient with persistent left superior vena cava. This anomaly occurs in 0.3 to 0.5% of healthy individuals and remains usually asymptomatic. Variations of the superior vena cava should be considered in venous catheterization and other procedures such as implantation of pacemaker and ICD systems as well as port catheter insertion. In re-synchronization systems, persistent left superior vena cava can be an obstacle for cannulation of the coronary sinus and placement of a transvenous left ventricular lead.
