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The International Journal of Cardiovascular Imaging

Published in:

01-05-2017 | Original Paper

Cardiac CT Angiography (CCTA) predicts left atrial appendage occluder device size and procedure outcome

Authors: Orly Goitein, Noam Fink, Ilan Hay, Elio Di Segni, Victor Guetta, David Goitein, Yafim Brodov, Eli Konen, Michael Glikson

Published in: The International Journal of Cardiovascular Imaging | Issue 5/2017

Abstract

Aim

To investigate the role of cardiac CT angiography (CCTA) in predicting optimal left atrial appendage (LAA) occluder size and procedure outcome.

Methods and results

Thirty-six patients underwent pre-procedural CCTA. CCTA and TEE LAA orifice diameters and perimeters were compared with the implanted device size. CCTA 3D configuration was correlated with procedure outcome. Watchman™ device (N = 18): diameters were 21 ± 4, 26 ± 5 and 25 ± 3 mm for TEE, CCTA and inserted device, respectively. Average perimeters were 61 ± 10, 74 ± 8 and 78 ± 11 mm for TEE, CCTA and inserted device, respectively. Better agreement with the device size was found for CCTA compared to TEE (Bland–Altman). ACP™ device (N = 15): diameters were 20 ± 5, 25 ± 4 and 23 ± 4 for TEE, CCTA and inserted device, respectively. Average perimeters were 58 ± 11, 72 ± 15 and 72 ± 13 mm for TEE, CCTA and inserted device, respectively. Excellent correlation and agreement with the device size was found for CCTA compared to TEE. CCTA perimeter >100 mm and “cactus” 3D configuration had a specificity of 96 and 81% respectively for procedure failure.

Conclusions

CCTA LAA ostial perimeter predicted better the optimal occluder size as compared with the currently used LAA TEE diameter. Moreover, CCTA 3D data may help in predicting potential complications.

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Title: Cardiac CT Angiography (CCTA) predicts left atrial appendage occluder device size and procedure outcome
Authors: Orly Goitein
Noam Fink
Ilan Hay
Elio Di Segni
Victor Guetta
David Goitein
Yafim Brodov
Eli Konen
Michael Glikson
Publication date: 01-05-2017
Publisher: Springer Netherlands
Published in: The International Journal of Cardiovascular Imaging / Issue 5/2017
Print ISSN: 1569-5794
Electronic ISSN: 1875-8312
DOI: https://doi.org/10.1007/s10554-016-1050-6

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Cardiac CT Angiography (CCTA) predicts left atrial appendage occluder device size and procedure outcome

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Methods and results

Conclusions

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