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Related Experiment Video

Updated: Jul 11, 2026

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

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

Published on: October 28, 2020

The ambiguous pulmonary venoatrial junction: a new perspective.

Gabrielle P Konin¹, Vineet R Jain, John D Fisher

¹Department of Radiology, Albert Einstein College of Medicine, Montefiore Medical Center, 111 East 210 Street, Bronx, NY 10467, USA.

The International Journal of Cardiovascular Imaging

|October 3, 2007

Summary

The pulmonary venoatrial junction (PVAJ) lacks a clear definition, impacting atrial fibrillation treatments. Understanding this ambiguity is crucial for accurate imaging and catheter ablation procedures.

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Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat

Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat

Published on: November 18, 2018

Area of Science:

Cardiology
Anatomy
Medical Imaging

Background:

The pulmonary venoatrial junction (PVAJ) is critical in atrial fibrillation management.
Current literature lacks a consensus on the precise definition of the PVAJ.

Purpose of the Study:

To review inconsistent definitions of the PVAJ.
To explore implications of these definitions in cardiac imaging and catheter ablation for atrial fibrillation.

Main Methods:

Literature review of embryology, gross anatomy, histology, and imaging studies.
Analysis of reported anatomical variations and their prevalence.

Main Results:

The PVAJ definition is ambiguous across multiple scientific disciplines.
Disparities in PVAJ definitions lead to wide ranges in reported prevalence of pulmonary vein variations.
Identified variations include common pulmonary vein percentage, supernumerary veins, and ostial dimensions.

Conclusions:

The gradual transition of the PVAJ defies precise definition, despite its significance in atrial fibrillation.
Physicians must recognize the variability in PVAJ terminology and resulting anatomical discrepancies.