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Three-Dimensional Echocardiographic Method for the Visualization and Assessment of Specific Parameters of the Pulmonary Veins

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Published on: October 28, 2020

Persistent left superior vena cava (PLSVC) connected to the left atrium.

J Vercruysse¹, K François, A De Wolf

¹Department of Anesthesia, University Hospital of Ghent, De Pintelaan 185, 9000 Ghent, Belgium. janvercruysse@telenet.be

Acta Anaesthesiologica Belgica

|July 3, 2010

Summary

A persistent left superior vena cava, a rare congenital anomaly, was identified in an adult patient. This finding is crucial for anesthesiologists to note due to potential surgical complications.

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Area of Science:

Cardiology
Congenital heart defects
Medical imaging

Background:

A persistent left superior vena cava (PLSVC) is a rare congenital anomaly where the left superior vena cava drains into the left atrium instead of the right atrium.
It is often asymptomatic and discovered incidentally during diagnostic procedures for other cardiac conditions.
Sinus venosus atrial septal defects (VSDs) are another type of congenital heart defect, often associated with anomalies of the superior vena cava.

Observation:

This case report details the diagnosis of PLSVC in an adult patient undergoing surgical correction for a large, inferiorly located sinus venosus atrial septal defect.
The PLSVC was identified as a significant anatomical variation requiring consideration during the surgical planning and execution.
Echocardiography was instrumental in the precise detection and characterization of the PLSVC and its drainage into the left atrium.

Findings:

The study highlights the incidental diagnosis of a persistent left superior vena cava in an adult patient with a sinus venosus atrial septal defect.
While typically asymptomatic, the presence of PLSVC can lead to technical difficulties and clinical challenges during cardiac surgery.
Echocardiography confirmed the anomalous drainage of the PLSVC into the left atrium, a critical finding for surgical management.

Implications:

Anesthesiologists and cardiac surgeons must be aware of the potential for PLSVC, especially in patients with associated cardiac anomalies like atrial septal defects.
Recognition of PLSVC is vital to prevent intraoperative complications and ensure appropriate surgical correction.
Echocardiography serves as a key diagnostic tool for identifying PLSVC, aiding in preoperative assessment and surgical planning for complex congenital heart disease.