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@article{1366509,
author = {Stárek, Zdeněk and Lehar, Frantisek and Jež, Jiří and Žbánková, Alena and Kulík, Tomáš and Wolf, Jiří and Novák, Miroslav},
article_location = {Dordrecht},
article_number = {2},
doi = {http://dx.doi.org/10.1007/s10840-016-0121-x},
keywords = {Computer tomography of the heart; 3D rotational angiography of the left atrium; Esophagus imaging; Atrial fibrillation; Catheter ablation of arrhythmias; Atrioesophageal fistula},
language = {eng},
issn = {1383-875X},
journal = {Journal of interventional cardiac electrophysiology},
title = {Long-term mobility of the esophagus in patients undergoing catheter ablation of atrial fibrillation: data from computer tomography and 3D rotational angiography of the left atrium},
volume = {46},
year = {2016}
}
TY - JOUR
ID - 1366509
AU - Stárek, Zdeněk - Lehar, Frantisek - Jež, Jiří - Žbánková, Alena - Kulík, Tomáš - Wolf, Jiří - Novák, Miroslav
PY - 2016
TI - Long-term mobility of the esophagus in patients undergoing catheter ablation of atrial fibrillation: data from computer tomography and 3D rotational angiography of the left atrium
JF - Journal of interventional cardiac electrophysiology
VL - 46
IS - 2
SP - 81-87
EP - 81-87
PB - Springer
SN - 1383875X
KW - Computer tomography of the heart
KW - 3D rotational angiography of the left atrium
KW - Esophagus imaging
KW - Atrial fibrillation
KW - Catheter ablation of arrhythmias
KW - Atrioesophageal fistula
N2 - Purpose Computed tomography (CT) and 3D rotational angiography (3DRA) of the left atrium (LA) are used to evaluate the esophagus prior to radiofrequency ablation for atrial fibrillation. The aim of this study was to compare preprocedural and periprocedural views of the esophagus and the left atrium. Methods From September 2011 to August 2012, 3DRA and CT of the LA were performed on 56 patients before they underwent catheter ablation of atrial fibrillation. The 3DRA was performed periprocedurally, and the CT was performed an average of 20 days prior to the procedure. 3D models of the LA and the esophagus were then segmented on the EP Navigator V 3.1 workstation. Five positions of the esophagus, A-E, in order from left to right, were evaluated. Results The most common position of the esophagus was behind the left part of the LA (CT, position B (n= 26)) and behind the central part of the LA (3DRA, position C (n= 21)). The maximum shift of the esophagus was three positions, and the average shift was 0.857 +/- 0.766 of a position. There was a shift of one position in 44.6% of the patients, two positions in 17.9 %, and three positions in 1.8 %. A statistically significant difference was found between the positions of the esophagus when the 3DRA and CT evaluations were compared. Conclusions The most common position of the esophagus was behind the middle and left part of the LA. The outpatient views of the esophagus obtained before ablation did not reflect the position of the esophagus at the beginning of the procedure.
ER -
STÁREK, Zdeněk, Frantisek LEHAR, Jiří JEŽ, Alena ŽBÁNKOVÁ, Tomáš KULÍK, Jiří WOLF and Miroslav NOVÁK. Long-term mobility of the esophagus in patients undergoing catheter ablation of atrial fibrillation: data from computer tomography and 3D rotational angiography of the left atrium. \textit{Journal of interventional cardiac electrophysiology}. Dordrecht: Springer, 2016, vol.~46, No~2, p.~81-87. ISSN~1383-875X. Available from: https://dx.doi.org/10.1007/s10840-016-0121-x.
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