Left atrial volume quantification using cardiac MRI in atrial fibrillation: comparison of the Simpson’s method with biplane area-length, ellipse, and three-dimensional methods

Author(s):  
Marcelo Souto Nacif ◽  
Adriana Dias Barranhas ◽  
Evrim Türkbey ◽  
Edson Marchiori ◽  
Nadine Kawel ◽  
...  
2009 ◽  
Vol 103 (7) ◽  
pp. 989-993 ◽  
Author(s):  
Adam S. Helms ◽  
J. Jason West ◽  
Amit Patel ◽  
Michael J. Lipinski ◽  
J. Michael Mangrum ◽  
...  

EP Europace ◽  
2019 ◽  
Vol 22 (3) ◽  
pp. 352-360 ◽  
Author(s):  
Ruben R De With ◽  
Ernaldo G Marcos ◽  
Elton A M P Dudink ◽  
Henri M Spronk ◽  
Harry J G M Crijns ◽  
...  

Abstract Aims Atrial fibrillation (AF) is a progressive disease, but identifying patients at risk for AF progression is challenging. We aimed to identify factors associated with AF progression. Methods and results Atrial fibrillation progression was assessed in 392 patients with recent-onset paroxysmal or persistent AF included in the prospective, observational, multicentre identification of a risk profile to guide atrial fibrillation (AF-RISK) study. Progression of AF was assessed by Holter monitoring and 2-week event recorder at baseline and 1-year follow-up. AF progression was defined as: (i) doubling in AF burden at 1 year compared to baseline with a minimum AF burden of 10% in paroxysmal AF; or (ii) transition from paroxysmal to persistent or permanent AF; or (iii) persistent to permanent AF. Age was 60 ± 11 years, 62% were men, and 83% had paroxysmal AF. At 1 year, 52 (13%) had AF progression (11% in paroxysmal; 26% in persistent AF). Multivariable logistic regression showed that left atrial volume [odds ratio (OR) per 10 mL 1.251, 95% confidence interval (CI) 1.078–1.450; P < 0.001], N-terminal pro-B-type natriuretic peptide (NT-proBNP; OR per standard deviation increase 1.583, 95% CI 1.099–2.281; P = 0.014), and plasminogen activator inhibitor-1 (PAI-1; OR per standard deviation increase 0.660, 95% CI 0.472–0.921; P = 0.015) were associated with AF progression. In an additional follow-up of 1.9 (0.9–3.3) years patients with AF progression developed more cardiovascular events and all-cause mortality (12.4%/year vs. 2.3%/year, P < 0.001). Conclusion Atrial fibrillation progression occurred in 13% of patients with recent-onset AF during 1-year follow-up. Left atrial volume, NT-proBNP, and PAI-1 were associated with AF progression. Patients with AF progression had a higher event rate. Trial registration number Clinicaltrials.gov NCT01510210.


2015 ◽  
Vol 127 (21-22) ◽  
pp. 858-863 ◽  
Author(s):  
Halil Atas ◽  
Alper Kepez ◽  
Mehmet Bozbay ◽  
Dilek Seckin Gencosmanoglu ◽  
Altug Cincin ◽  
...  

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