Assessment of left atrial shape and volume in structural remodeling secondary to atrial fibrillation.
(2009) Journal of Interventional Cardiac Electrophysiology : an international journal of arrhythmias and pacing — Vol. 25, n° 3, p. 167-170 (2009)
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- Authors
DORMAL, Fabien 
- Abstract
- PURPOSE: Assessment of volume in relation with left atrial (LA) shape alteration before and after PV isolation. METHODS: We compared trapezoidal modification of LA using echocardiography with the ellipsoid formula (EEL: ) and CT, with both ellipsoid (CTEL: ) and truncated cone formulas (CTTR: ), in 40 patients, before and +/-3 months after AF ablation. RESULTS: A trapezoidal shape was present in 76.3% of patients. The different volume measurements were statistically correlated (r = 0.603-0.837, p < 0.001) irrespective of the formula used. After reverse remodeling, with 77.5% of patients in stable sinus rhythm, correlation coefficient for volume remained significant (p < 0.001). CONCLUSIONS: In AF, dilation of the LA is associated with a geometrical trapezoidal change in many cases. The CT truncated cone formula applies best for precise evaluation of trapezoidal shape alteration in dilated AF atria. There is a good correlation between CTTR: and echocardiography which remains a valuable estimation for volume calculation in clinical practice.
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Citations
Floria, M., Blommaert, D., Lacrosse, M., Ambarus, V., DORMAL, F., Dabiri Abkenari, L., Jamart, J., Rezus, C., Cozma, D., & De Roy, L. (2009). Assessment of left atrial shape and volume in structural remodeling secondary to atrial fibrillation. Journal of Interventional Cardiac Electrophysiology : an international journal of arrhythmias and pacing, 25(3), 167-170. https://doi.org/10.1007/s10840-008-9349-4 (Original work published 2009)