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Archives of cardiovascular diseases
Volume 110, n° 8-9
pages 447-455 (août 2017)
Doi : 10.1016/j.acvd.2016.11.005
Received : 21 July 2016 ;  accepted : 30 November 2016
The usefulness of global left atrial strain for predicting atrial fibrillation recurrence after catheter ablation in patients with persistent and paroxysmal atrial fibrillation
Utilité du strain global atrial gauche pour prédire la récidive de fibrillation atriale après ablation chez des patients ayant une fibrillation atriale persistante ou paroxystique
 

Figure 1




Figure 1 : 

Measurements of global left atrial longitudinal strain (GLAS) by two-dimensional speckle tracking echocardiography. A. We identified the left atrial peak negative strain, the peak positive strain, the sum of these values and GLAS in sinus rhythm AF patients. B. In atrial fibrillation rhythm patients, we used the onset of the QRS wave as the reference point, and GLAS was identified as the peak positive strain value during ventricular systole.


Figure 2




Figure 2 : 

Receiver operating characteristic (ROC) curves for predicting maintenance of sinus rhythm (MSR) during 12 months of follow-up. A. Patients with persistent atrial fibrillation. B. Patients with paroxysmal atrial fibrillation. The area under the ROC curve for global left atrial longitudinal strain (GLAS) was greater than that for left atrial maximal volume index (LAVImax) and pro-brain natriuretic peptide (Pro-BNP) concentration (P <0.05 versus GLAS).

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