Persistent left superior vena cava: Case reports and clinical implications

Persistent left superior vena cava (PLSVC) is a rare anatomic variant that has a significant effect on the structure of the heart and venous system with clinical implications that are far-reaching. The presence of this variant is relevant to central venous catheter insertion, cardioverter-defibrillator placement, coronary artery bypass grafting, and numerous other medical procedures. In this report, we describe a rare case of PLSVC with a connection to the azygos system; notably, the vast majority of PLSVCs connect to the coronary sinus. We also discuss the anatomic and anesthetic considerations for individuals with this uncommon variant.

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Isolated persistent left superior vena cava: A case report and its clinical implications

Annals of Cardiac Anaesthesia ◽

10.4103/0971-9784.197847 ◽

2017 ◽

Vol 20 (1) ◽

pp. 104 ◽

Cited By ~ 13

Author(s):

Samarjit Bisoyi ◽

Usha Jagannathan ◽

AnjanKumar Dash ◽

Sabyasachi Tripathy ◽

Raghunath Mohapatra ◽

...

Keyword(s):

Case Report ◽

Superior Vena Cava ◽

Superior Vena ◽

Vena Cava ◽

Clinical Implications ◽

Left Superior Vena Cava ◽

Persistent Left Superior Vena

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DOUBLE SUPERIORVENACAVA AND ITS ASSOCIATED CLINICAL IMPLICATIONS - A CASE REPORT AND LITERATURE REVIEW

Journal of Health and Allied Sciences NU ◽

10.1055/s-0040-1709754 ◽

2015 ◽

Vol 05 (01) ◽

pp. 075-078

Author(s):

Sushma R Kotian ◽

Antony Sylvan D Souza ◽

Praveena Ravichandran ◽

Pallavi Bhat ◽

Mamatha Hosapatna

Keyword(s):

Superior Vena Cava ◽

Vascular System ◽

Superior Vena ◽

Vena Cava ◽

Clinical Implications ◽

Left Superior Vena Cava ◽

Persistent Left Superior Vena ◽

Male Cadaver ◽

The Right ◽

Brachiocephalic Veins

AbstractAbnormalities of the vascular system are always of extreme interest due to its importance in circulation. Normally the superior vena cava is a single vascular structure formed by the union of right and left brachiocephalic veins which are in turn formed by the union of corresponding internal jugular and subclavian veins, draining the head and neck as well as the superior extremity. However during routine dissection in the Department of Anatomy, Kasturba Medical College, Manipal, we came across a case of double superior vena cava with persistent left superior vena cava in a 58-year-old male cadaver. Both the vena cavae were formed as continuations of brachiocephalic veins of the corresponding side. The persistent left superior vena cava opened into the enlarged coronary sinus that drained into the right atrium between the opening of inferior venacava and right atrioventricular orifice. No communication was observed between the two vena cavae. A persistent left superior vena cava does not by itself produce any physiological derangement. But it has important clinical implications in certain clinical interventions. It may complicate placement of cardiac catheters or pacemaker leads. Awareness of this anomaly may therefore reduce confusions and thus would help to avoid further complications.

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