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Updated: Jun 26, 2026
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Permanent pacemaker implantation via left superior vena cava without communication with the coronary sinus
Umashankar Lakshmanadoss1, Edward Goldstein, Abrar H Shah
1Department of Cardiology, Unity Health System, Rochester, NY, USA. udoss@unityhealth.org
Abstract:
The persistence of the left superior vena cava is a rare venous anomaly and usually does not produce hemodynamic disturbances. Left sided cardiac device implantation has increased the awareness of this rare anomaly. In most cases, left superior vena cava connects to the right heart via coronary sinus. We describe a rare case of successful permanent pacemaker implantation via left superior vena cava-accessory hemiazygos-hemiazygos-inferior vena caval communication.
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