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[Implantation of a pacemaker through persistent left superior vena cava]
Carlos Manuel Cardozo Zepeda1, Yves Guyomar, Sébastien Heuls
1Service d' Electrophysiologie, Groupe Hospitalier de I'lntitut Catholique de Lille, Hôpital Saint-Philibert, Lomme, Francia. carlos_cardozo@yahoo.com
Archivos De Cardiologia De Mexico
|November 22, 2005
Summary
Persistent left superior vena cava, a rare congenital anomaly, is the most common thoracic venous variation. This case demonstrates successful pacemaker implantation despite anatomical challenges, offering a viable technique for similar cases.
Area of Science:
- Cardiology
- Congenital Anomalies
- Medical Device Technology
Background:
- Persistent left superior vena cava (PLSVC) is the most common thoracic venous anomaly, occurring in 0.6-1.0% of patients undergoing pacemaker implantation.
- PLSVC can complicate lead placement via left-sided venous access due to tortuous anatomy.
Observation:
- A case of incidental discovery of PLSVC during pacemaker implantation is presented.
- Lead progression through the left jugular or subclavian veins was challenging.
Findings:
- Successful pacemaker implantation was achieved in a patient with PLSVC.
- Technical difficulties were overcome by utilizing the pacemaker electrode as a unipolar lead.
- Endocavitary ECG and an active fixation system were crucial for guiding and securing the lead.
Implications:
- This case highlights a practical approach for managing PLSVC during pacemaker procedures.
- It suggests that PLSVC, while a potential complication, does not preclude successful pacemaker implantation.
- The described technique may be valuable for electrophysiologists encountering similar anatomical variations.