• Internal medicine · May 2024

    Case Reports

    Persistent Left Superior Vena cava with the Absence of the Right Superior Vena Cava and Atrial Appendage: Complex Pacemaker Implantation in a Patient Presenting with a Rare Vascular Anomaly.

    • Toshika Hata, Koichi Kato, Kenichi Kamiya, Yusuke Okuyama, Yusuke Fujii, Noriaki Yagi, Tomoya Ozawa, and Yoshihisa Nakagawa.
    • Department of Cardiovascular Medicine, Shiga University of Medical Science, Japan.
    • Intern. Med. 2024 May 15; 63 (10): 137313761373-1376.

    AbstractA persistent left superior vena cava (PLSVC) is a commonly observed anatomical anomaly that is frequently detected incidentally via computed tomography (CT) imaging. However, the occurrence of a PLSVC with a right superior vena cava (RSVC) defect, also known as "isolated PLSVC," is a much rarer anomaly. This peculiar malformation can lead to sinoatrial dysfunction, thus necessitating pacemaker implantation, which requires delicate manipulation due to various anatomical complexities. We herein present a case of a sick sinus syndrome with this rare anomaly, which required special consideration when performing pacemaker lead placement.

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