Initial bi atrial three-dimensional echocardiographic evaluation in non-valvular atrial fibrillation according to rhythm outcome at six month follow-up - 25/12/18
, S. Lang 1, S. Ederhy 1, Y. Ancedy 1, A. Beraud 3, S. Adavane-Scheuble 1, M. Chauvet 1, N. Hammoudi 2, 3, 4, P. Nhan 1, M. Charbonnier 1, F. Boccara 1, 2, 3, 4, 5, A. Cohen 1, 2Résumé |
Background |
Two-dimensional left atrial (LA) size is an independent echocardiographic predictor of atrial fibrillation (AF) occurrence and recurrence.
Purpose |
Our study aimed to evaluate LA and right atrial (RA) three-dimensional (3D) volumes at admission (M0) in patients with AF to define atrial remodeling according to rhythm outcome at 6 month follow-up (M6).
Methods |
3D RA and LA parameters were assessed at M0 in patients admitted for AF: body surface area-indexed maximum 3D volume (Max 3D RA Voli, Max 3D LA Voli) and indexed minimum volume (Min 3D RA Voli, Min 3D LA Voli); atrial emptying fraction (3D RAEF, 3D LAEF) and atrial expansion index (3D RAEI, 3D LAEI).
Results |
Forty-eight consecutive patients hospitalized for AF were prospectively included. Two groups were individualized according to rhythm outcome: successful cardio version (SuccCV) in 35(72.9%) patients including either spontaneous (n=10) or electrical cardioversion (n=25) (AF at M0 and sinus rhythm (SR) at M6); failure or contra indication to cardioversion (FailCV) in 13(27.1%) patients (AF at M0 and AF at M6). 3D echocardiographic evaluation from 41 patients at M0 found:
– significantly upper Min 3D RA Voli, Min 3D LA Voli in group FailCV in comparison with SuccCV;
– significantly lower 3D RAEF, 3D RAEI, 3D LAEF, 3D LAEI in group FailCV in comparison with SuccCV;
– no significant differences regarding Max 3D RA Voli, Max 3D LA Voli between groups FailCV and SuccCV (Table 1).
Conclusion |
3D atrial echocardiographic parameters could be useful to predict initial atrial remodelling in patients admitted for AF.
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Vol 11 - N° 1
P. 55 - janvier 2019 Retour au numéro
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