Usefulness of non–contrast‐enhanced MRI with two‐dimensional balanced steady‐state free precession for the acquisition of the pulmonary venous and left atrial anatomy pre catheter ablation of atrial fibrillation: Comparison with contrast enhanced CT in clinical cases

Shigenaga, Yutaka; Okajima, Katsunori; Ikeuchi, Kazushi; Kiuchi, Kunihiko; Ikeda, Takayuki; Shimane, Akira; Yokoi, Kohei; Teranishi, Jin; Aoki, Kousuke; Chimura, Misato; Yamada, Shinichiro; Taniguchi, Yoshinori; Yasaka, Yoshinori; Kawai, Hiroya

doi:10.1002/jmri.24990

Cited by 9 publications

(11 citation statements)

References 15 publications

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“…Interestingly, TOE was not found to affect procedural outcomes. The usefulness of cardiac CT and MRI in identifying LA thrombus in patients undergoing ablation has been found in other studies 80 81 on top of their benefit in assessing cardiac anatomy and pulmonary vein size and location [82][83][84] and chances of successful outcome (figure 7). 85 …”

Section: Peri-procedural Imaging In Catheter Ablationmentioning

confidence: 81%

“…The incidence of AF has increased from 5.9/1000 person-years in 2001 to 6.9/1000 person-years in 2013. The overall incidence in terms of 1000 person-years increases with increasing age (25.1 for patients between [80][81][82][83][84][85][86][87][88][89] and is also higher for Caucasians (8.1) versus Asians (5.4) and African Americans (4.6).…”

Section: Epidemiology and Risk Factors Increasing Incidence Of Af In mentioning

confidence: 99%

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Almanac 2015: atrial fibrillation research in Heart

Jawad-Ul-Qamar¹,

Kirchhof²

2016

Cardiol Croat.

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Atrial fibrillation continues to attract interest in the cardiovascular community and in Heart. Over 60 original research and review papers published in Heart in 2014-2015 cover various aspects of atrial fibrillation, from associated conditions and precipitating factors to new approaches to management. Here, we provide an overview of articles on atrial fibrillation published in Heart in 2014-2015, highlighting new developments, emerging concepts and novel approaches to treatment.

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Section: Peri-procedural Imaging In Catheter Ablationmentioning

confidence: 81%

Section: Epidemiology and Risk Factors Increasing Incidence Of Af In mentioning

confidence: 99%

Almanac 2015: atrial fibrillation research in Heart

Jawad-Ul-Qamar¹,

Kirchhof²

2016

Cardiol Croat.

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“…Increasingly, bSSFP approaches are being implemented for quantitative CMRI techniques including imaging of myocardial perfusion ( 17 , 18 ), diffusion-weighted imaging ( 19 ), and for measurement of ventricular T1 ( 20 ) and T2 ( 21 ) relaxation times. In addition, several studies have examined the utility of atrial signal intensities on cine bSSFP imaging for surgical planning with catheter ablation ( 21 – 23 ). In such applications, the deviation from steady-state magnetization as a function of slice position when using 2D cine bSSFP can potentially influence the results derived from such scans.…”

Section: Discussionmentioning

confidence: 99%

Influence of longitudinal position on the evolution of steady-state signal in cardiac cine balanced steady-state free precession imaging

Spear

Stromp

Leung

et al. 2017

Acta Radiologica Open

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BackgroundEmerging quantitative cardiac magnetic resonance imaging (CMRI) techniques use cine balanced steady-state free precession (bSSFP) to measure myocardial signal intensity and probe underlying physiological parameters. This correlation assumes that steady-state is maintained uniformly throughout the heart in space and time.PurposeTo determine the effects of longitudinal cardiac motion and initial slice position on signal deviation in cine bSSFP imaging by comparing two-dimensional (2D) and three-dimensional (3D) acquisitions.Material and MethodsNine healthy volunteers completed cardiac MRI on a 1.5-T scanner. Short axis images were taken at six slice locations using both 2D and 3D cine bSSFP. 3D acquisitions spanned two slices above and below selected slice locations. Changes in myocardial signal intensity were measured across the cardiac cycle and compared to longitudinal shortening.ResultsFor 2D cine bSSFP, 46% ± 9% of all frames and 84% ± 13% of end-diastolic frames remained within 10% of initial signal intensity. For 3D cine bSSFP the proportions increased to 87% ± 8% and 97% ± 5%. There was no correlation between longitudinal shortening and peak changes in myocardial signal. The initial slice position significantly impacted peak changes in signal intensity for 2D sequences (P < 0.001).ConclusionThe initial longitudinal slice location significantly impacts the magnitude of deviation from steady-state in 2D cine bSSFP that is only restored at the center of a 3D excitation volume. During diastole, a transient steady-state is established similar to that achieved with 3D cine bSSFP regardless of slice location.

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“…ICE is only used during AF catheter ablation procedure [6]. Therefore, no standardized measurements of LA size or volume are available.…”

Section: Echocardiography Assessment Of Left Atrial Size Anatomy and Functionmentioning

confidence: 99%

“…The assessment of LA anatomy is important in the setting of catheter ablation procedures for AF [6]. Because of the complex anatomy of the LA and the variability in pulmonary vein anatomy, a detailed roadmap is mandatory to be known before the ablation procedure.…”

Section: Echocardiography Assessment Of Left Atrial Size Anatomy and Functionmentioning

confidence: 99%

Multimodality Echocardiographic Assessment of Patients Undergoing Atrial Fibrillation Ablation

Floria¹,

Tănase²

2016

Echocardiography in Heart Failure and Cardiac Electrophysiology

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Atrial fibrillation (AF) is most common sustained arrhythmia in clinical practice. The new treatment standard in paroxysmal and persistent AF is the catheter ablation. Echocardiography plays a key role in risk stratification and management of patients with AF and is critical in the assessment of candidates for AF ablation, providing both anatomic and hemodynamic information. Echocardiography is crucial for patient selection, preprocedural left atrial appendage thrombus excluding, intraprocedural guidance, and detection and monitoring for early and late ablation related complications. Transthoracic echocardiography allows rapid and comprehensive assessment of cardiac anatomical structure and function. Transoesophageal echocardiography also provides accurate information about the presence of a thrombus in the atria and thromboembolic risk, making safe the ablation procedure by immediately detection of the complications related procedure. Intracardiac echocardiography has emerged as a popular and useful tool in the everyday practice of interventional electrophysiology, being very useful only during the ablation procedure. This paper presents the role of echocardiography in all these steps concerning AF ablation procedure, and also (1) delineates the role of echocardiographic techniques in guiding the procedure, (2) discusses the critical echocardiographic aspects of this procedure, and (3) underlines the strengths and limitations of various echocardiographic modalities.

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Usefulness of non–contrast‐enhanced MRI with two‐dimensional balanced steady‐state free precession for the acquisition of the pulmonary venous and left atrial anatomy pre catheter ablation of atrial fibrillation: Comparison with contrast enhanced CT in clinical cases

Abstract: The non-CE-MR method with a 2D-b-SSFP sequence can give us adequate information on AF ablation without any radiation exposure or contrast medium usage

Cited by 9 publications

References 15 publications

Almanac 2015: atrial fibrillation research in Heart

Almanac 2015: atrial fibrillation research in Heart

Influence of longitudinal position on the evolution of steady-state signal in cardiac cine balanced steady-state free precession imaging

Multimodality Echocardiographic Assessment of Patients Undergoing Atrial Fibrillation Ablation

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