Morphology of the thoracic veins and left atrium in paroxysmal atrial fibrillation initiated by superior caval vein ectopy

Bien Hsien Huang, Mei Han Wu, Hsuan Ming Tsao, Ching Tai Tai, Kun Tai Lee, Yenn Jiang Lin, Ming Hsiung Hsieh, Shih Huang Lee, Yi Jen Chen, Jen Yuan Kuo, Shih Ann Chen

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Introduction: The structural changes of the superior caval vein, pulmonary veins, and left atrium in atrial fibrillation initiated by superior caval vein ectopy have not been reported. Methods and Results: Nine patients with atrial fibrillation initiated by superior caval vein ectopic beats (male = 5, 54 ± 10 years) and 15 control (n = 15, male = 10, 52 ± 8 years) without any cardiac arrhythmias were included in this study. Using gadolinium-enhanced magnetic resonant angiography with three-dimensional reconstruction, the parameters of the superior caval vein morphology (length, various diameters, area, eccentricity, and volume) were measured. The morphological parameters of the four pulmonary veins (diameter, ostial area, and eccentricity) were also measured at the pulmonary vein-left atrial junction in an oblique sagittal section from the multiple-plane reconstruction images. The left atrial diameters and volume were measured. The different morphological parameters were compared between the two groups. The patients with atrial fibrillation initiated by superior caval vein ectopic beats exhibited a more eccentric structure of the second part of the superior caval vein as compared to the control group. All the ectopic beats initiating atrial fibrillation were located in the second part of the superior caval vein. Furthermore, the patients with atrial fibrillation initiated by superior caval vein ectopic beats had a larger superior caval vein volume, left atrial volume, and pulmonary vein size, and more eccentric pulmonary vein ostia than the controls. Conclusion: Structural changes of the superior caval vein were demonstrated in the patients with atrial fibrillation initiated by superior caval vein ectopic beats. These findings might explain the arrhythmogenic mechanism of atrial fibrillation initiated by superior caval vein ectopy.

Original languageEnglish
Pages (from-to)411-417
Number of pages7
JournalJournal of Cardiovascular Electrophysiology
Volume16
Issue number4
DOIs
Publication statusPublished - Apr 2005
Externally publishedYes

Fingerprint

Venae Cavae
Heart Atria
Atrial Fibrillation
Veins
Thorax
Pulmonary Veins
Computer-Assisted Image Processing
Gadolinium
Cardiac Arrhythmias
Angiography

Keywords

  • Atrial fibrillation
  • Catheter ablation
  • Superior caval vein

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology
  • Physiology (medical)

Cite this

Morphology of the thoracic veins and left atrium in paroxysmal atrial fibrillation initiated by superior caval vein ectopy. / Huang, Bien Hsien; Wu, Mei Han; Tsao, Hsuan Ming; Tai, Ching Tai; Lee, Kun Tai; Lin, Yenn Jiang; Hsieh, Ming Hsiung; Lee, Shih Huang; Chen, Yi Jen; Kuo, Jen Yuan; Chen, Shih Ann.

In: Journal of Cardiovascular Electrophysiology, Vol. 16, No. 4, 04.2005, p. 411-417.

Research output: Contribution to journalArticle

Huang, Bien Hsien ; Wu, Mei Han ; Tsao, Hsuan Ming ; Tai, Ching Tai ; Lee, Kun Tai ; Lin, Yenn Jiang ; Hsieh, Ming Hsiung ; Lee, Shih Huang ; Chen, Yi Jen ; Kuo, Jen Yuan ; Chen, Shih Ann. / Morphology of the thoracic veins and left atrium in paroxysmal atrial fibrillation initiated by superior caval vein ectopy. In: Journal of Cardiovascular Electrophysiology. 2005 ; Vol. 16, No. 4. pp. 411-417.
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abstract = "Introduction: The structural changes of the superior caval vein, pulmonary veins, and left atrium in atrial fibrillation initiated by superior caval vein ectopy have not been reported. Methods and Results: Nine patients with atrial fibrillation initiated by superior caval vein ectopic beats (male = 5, 54 ± 10 years) and 15 control (n = 15, male = 10, 52 ± 8 years) without any cardiac arrhythmias were included in this study. Using gadolinium-enhanced magnetic resonant angiography with three-dimensional reconstruction, the parameters of the superior caval vein morphology (length, various diameters, area, eccentricity, and volume) were measured. The morphological parameters of the four pulmonary veins (diameter, ostial area, and eccentricity) were also measured at the pulmonary vein-left atrial junction in an oblique sagittal section from the multiple-plane reconstruction images. The left atrial diameters and volume were measured. The different morphological parameters were compared between the two groups. The patients with atrial fibrillation initiated by superior caval vein ectopic beats exhibited a more eccentric structure of the second part of the superior caval vein as compared to the control group. All the ectopic beats initiating atrial fibrillation were located in the second part of the superior caval vein. Furthermore, the patients with atrial fibrillation initiated by superior caval vein ectopic beats had a larger superior caval vein volume, left atrial volume, and pulmonary vein size, and more eccentric pulmonary vein ostia than the controls. Conclusion: Structural changes of the superior caval vein were demonstrated in the patients with atrial fibrillation initiated by superior caval vein ectopic beats. These findings might explain the arrhythmogenic mechanism of atrial fibrillation initiated by superior caval vein ectopy.",
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T1 - Morphology of the thoracic veins and left atrium in paroxysmal atrial fibrillation initiated by superior caval vein ectopy

AU - Huang, Bien Hsien

AU - Wu, Mei Han

AU - Tsao, Hsuan Ming

AU - Tai, Ching Tai

AU - Lee, Kun Tai

AU - Lin, Yenn Jiang

AU - Hsieh, Ming Hsiung

AU - Lee, Shih Huang

AU - Chen, Yi Jen

AU - Kuo, Jen Yuan

AU - Chen, Shih Ann

PY - 2005/4

Y1 - 2005/4

N2 - Introduction: The structural changes of the superior caval vein, pulmonary veins, and left atrium in atrial fibrillation initiated by superior caval vein ectopy have not been reported. Methods and Results: Nine patients with atrial fibrillation initiated by superior caval vein ectopic beats (male = 5, 54 ± 10 years) and 15 control (n = 15, male = 10, 52 ± 8 years) without any cardiac arrhythmias were included in this study. Using gadolinium-enhanced magnetic resonant angiography with three-dimensional reconstruction, the parameters of the superior caval vein morphology (length, various diameters, area, eccentricity, and volume) were measured. The morphological parameters of the four pulmonary veins (diameter, ostial area, and eccentricity) were also measured at the pulmonary vein-left atrial junction in an oblique sagittal section from the multiple-plane reconstruction images. The left atrial diameters and volume were measured. The different morphological parameters were compared between the two groups. The patients with atrial fibrillation initiated by superior caval vein ectopic beats exhibited a more eccentric structure of the second part of the superior caval vein as compared to the control group. All the ectopic beats initiating atrial fibrillation were located in the second part of the superior caval vein. Furthermore, the patients with atrial fibrillation initiated by superior caval vein ectopic beats had a larger superior caval vein volume, left atrial volume, and pulmonary vein size, and more eccentric pulmonary vein ostia than the controls. Conclusion: Structural changes of the superior caval vein were demonstrated in the patients with atrial fibrillation initiated by superior caval vein ectopic beats. These findings might explain the arrhythmogenic mechanism of atrial fibrillation initiated by superior caval vein ectopy.

AB - Introduction: The structural changes of the superior caval vein, pulmonary veins, and left atrium in atrial fibrillation initiated by superior caval vein ectopy have not been reported. Methods and Results: Nine patients with atrial fibrillation initiated by superior caval vein ectopic beats (male = 5, 54 ± 10 years) and 15 control (n = 15, male = 10, 52 ± 8 years) without any cardiac arrhythmias were included in this study. Using gadolinium-enhanced magnetic resonant angiography with three-dimensional reconstruction, the parameters of the superior caval vein morphology (length, various diameters, area, eccentricity, and volume) were measured. The morphological parameters of the four pulmonary veins (diameter, ostial area, and eccentricity) were also measured at the pulmonary vein-left atrial junction in an oblique sagittal section from the multiple-plane reconstruction images. The left atrial diameters and volume were measured. The different morphological parameters were compared between the two groups. The patients with atrial fibrillation initiated by superior caval vein ectopic beats exhibited a more eccentric structure of the second part of the superior caval vein as compared to the control group. All the ectopic beats initiating atrial fibrillation were located in the second part of the superior caval vein. Furthermore, the patients with atrial fibrillation initiated by superior caval vein ectopic beats had a larger superior caval vein volume, left atrial volume, and pulmonary vein size, and more eccentric pulmonary vein ostia than the controls. Conclusion: Structural changes of the superior caval vein were demonstrated in the patients with atrial fibrillation initiated by superior caval vein ectopic beats. These findings might explain the arrhythmogenic mechanism of atrial fibrillation initiated by superior caval vein ectopy.

KW - Atrial fibrillation

KW - Catheter ablation

KW - Superior caval vein

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DO - 10.1046/j.1540-8167.2005.40619.x

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EP - 417

JO - Journal of Cardiovascular Electrophysiology

JF - Journal of Cardiovascular Electrophysiology

SN - 1045-3873

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