eISSN: 1897-4295
ISSN: 1734-9338
Advances in Interventional Cardiology/Postępy w Kardiologii Interwencyjnej
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4/2019
vol. 15
 
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abstract:
Original paper

Comparison of transesophageal and intracardiac echocardiography in guiding percutaneous left atrial appendage closure with an Amplatzer Amulet device

Witold Streb
1
,
Katarzyna Mitręga
1
,
Tomasz Podolecki
1
,
Stanisław Morawski
1
,
Mariola Szulik
1
,
Ewa Jędrzejczyk-Patej
1
,
Tomasz Kukulski
1
,
Zbigniew Kalarus
1

  1. 1st Department of Cardiology, Congenital Heart Diseases and Electrotherapy, Silesian Center for Heart Diseases in Zabrze, Medical University of Silesia in Katowice, Poland
Adv Interv Cardiol 2019; 15, 4 (58): 446–454
DOI: https://doi.org/10.5114/aic.2019.90219
Online publish date: 2019/12/08
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Introduction
Percutaneous occlusion of the left atrial appendage (LAAO) is becoming an extensively used method of stroke prevention in individuals with contraindications to oral anticoagulants. Transesophageal echocardiography (TOE) is the gold standard for LAAO guiding, but intracardiac echocardiography (ICE) appears to be a potential alternative.

Aim
To compare the LAAO procedure guided by TOE or ICE with respect to procedural success and safety.

Material and methods
TOE-guided LAAO was performed in 12 patients and ICE-guided LAAO in 11 patients. ICE was performed using an 8F AcuNav probe and the ACUSON SC2000 system. For LAAO the Amplatzer Amulet was used. After 1 month TOE was performed.

Results
Procedural success was achieved in all patients in TOE and ICE groups. There was 1 complication (groin hematoma). The procedure time was significantly longer in the TOE group (43 to 80 min; median: 54 min) compared to the ICE group (28 to 67 min; median: 45 min), (p = 0.02) The time needed to puncture the interatrial septum and time needed to remove the sheath did not differ between groups. Fluoroscopic time was insignificantly longer in the ICE group (9.91 ±4.01s) compared to the TOE group (7.69 ±3.21s), and a significantly larger contrast media volume was used in the ICE group (30.00 ±6.67 ml vs. 40.45 ±23.18 ml, p = 0.03). There were no statistically significant differences in the results between TOE and ICE groups in follow-up assessments.

Conclusions
LAAO using the Amplatzer Amulet may be successfully and safely guided by ICE. ICE offered shorter procedure time and similar results irrespectively of left atrial appendage anatomy compared to TOE guidance.

keywords:

transesophageal echocardiography, left atrial appendage occlusion, intracardiac echocardiography
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