Document Detail

Prevalence and characterization of pulmonary vein variants in patients with atrial fibrillation determined using 3-dimensional computed tomography.
MedLine Citation:
PMID:  18489943     Owner:  NLM     Status:  MEDLINE    
Although several branching patterns of pulmonary veins (PVs) were reported, their prevalence and characterization were not sufficiently clarified. Multislice computed tomography was performed in 428 patients who underwent catheter ablation for drug-refractory atrial fibrillation. Size and branching pattern of PVs were analyzed. A typical pattern of 4 PVs with 4 separate ostia was found in 326 patients (76%). However, a common PV trunk, defined as a PV with coalescence of superior and inferior PVs > or =1.5 cm proximal to the junction with the left atrium, was found on the left side in 34 patients (8%) and right side in 3 patients (0.76%). A discrete middle PV was found on the right side in 54 patients (13%) and left side in 9 patients (2%). A right top PV, defined as an anomalous insertion of a branch of the right superior PV into the left atrial body, was also found in 16 patients (4%). In conclusion, 24% of our patients with atrial fibrillation had PV anomalies and 3% had coexistence of 2 PV variants, indicating that PV variants are not rare.
Kenichi Kaseno; Hiroshi Tada; Keiko Koyama; Masaaki Jingu; Shigeki Hiramatsu; Miki Yokokawa; Koji Goto; Shigeto Naito; Shigeru Oshima; Koichi Taniguchi
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2008-03-28
Journal Detail:
Title:  The American journal of cardiology     Volume:  101     ISSN:  0002-9149     ISO Abbreviation:  Am. J. Cardiol.     Publication Date:  2008 Jun 
Date Detail:
Created Date:  2008-05-20     Completed Date:  2008-07-15     Revised Date:  2008-08-25    
Medline Journal Info:
Nlm Unique ID:  0207277     Medline TA:  Am J Cardiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1638-42     Citation Subset:  AIM; IM    
Department of Cardiology, Kanazawa Medical University, Uchinada, Japan.
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MeSH Terms
Atrial Fibrillation / physiopathology,  radiography*,  surgery
Catheter Ablation / methods
Follow-Up Studies
Imaging, Three-Dimensional / methods*
Middle Aged
Pulmonary Veins / abnormalities*,  radiography
Reproducibility of Results
Severity of Illness Index
Stroke Volume / physiology
Tomography, X-Ray Computed / methods*
Vascular Malformations / epidemiology*,  radiography
Erratum In:
Am J Cardiol. 2008 Aug 15;102(4):508

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