Acquisition of the pulmonary venous and left atrial anatomy with non-contrast-enhanced MRI for catheter ablation of atrial fibrillation: Usefulness of two-dimensional balanced steady-state free precession

Journal of Arrhythmia
Yutaka ShigenagaHiroya Kawai

Abstract

Usually, the pulmonary venous and left atrial (PV-LA) anatomy is assessed with contrast-enhanced computed tomographic imaging for catheter ablation of atrial fibrillation (AF). A non-contrast-enhanced magnetic resonance (MR) imaging method has not been established. Three-dimensional balanced steady-state free precession (3D b-SSFP) sequences cannot visualize the PV-LA anatomy simultaneously because of the signal intensity defect of pulmonary veins. We compared two-dimensional (2D) b-SSFP sequences with 3D b-SSFP sequences in depicting the PV-LA anatomy with non-contrast-enhanced MR imaging for AF ablation. Eleven healthy volunteers underwent non-contrast-enhanced MR imaging with 3D b-SSFP and 2D b-SSFP sequences. The MR images were reconstructed on the 3D PV-LA surface image. Two experienced radiological technicians independently scored the multiplanar reformatted (MPR) images on a scale of 1-4 (from 1, not visualized, to 4, excellent definition). The overall score was a sum of 5 segments (LA and 4 PVs). In the 2D b-SSFP method, MR imaging was successfully performed, and the 3D PV-LA surface image was precisely reconstructed in all healthy volunteers. The image score was significantly higher in the 2D b-SSFP method compared to ...Continue Reading

References

Jan 6, 2004·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Pippa StoreyRobert R Edelman
Aug 8, 2006·Journal of Cardiovascular Magnetic Resonance : Official Journal of the Society for Cardiovascular Magnetic Resonance·Xiaoming BiDebiao Li
Sep 23, 2006·Journal of Cardiovascular Electrophysiology·Peter M KistlerRichard J Schilling
Oct 30, 2010·Journal of Magnetic Resonance Imaging : JMRI·Peng HuReza Nezafat
Jan 22, 2011·Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing·Yaariv KhaykinAtul Verma

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Citations

Jan 23, 2016·Heart·Muhammad Jawad-Ul-Qamar, Paulus Kirchhof
May 21, 2019·Nihon Hoshasen Gijutsu Gakkai zasshi·Tomofumi MisakaMasanobu Uemura
Dec 2, 2020·Journal of Cardiovascular Magnetic Resonance : Official Journal of the Society for Cardiovascular Magnetic Resonance·Pascale AouadRobert R Edelman

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