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European Journal of Echocardiography Advance Access originally published online on July 23, 2007
European Journal of Echocardiography 2008 9(3):351-355; doi:10.1016/j.euje.2007.05.004
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Published on behalf of the European Society of Cardiology. All rights reserved. © The Author 2007. For permissions please email: journals.permissions@oxfordjournals.org

Three methods for evaluation of left atrial volume

Panupong Jiamsripong1, Tadaaki Honda1, Christina S. Reuss1, R. Todd Hurst1, Hari P. Chaliki1, Diane E. Grill2, Stephen L. Schneck1, Rochelle Tyler1, Bijoy K. Khandheria1 and Steven J. Lester1,*

1 Division of Cardiovascular Diseases, Mayo Clinic, 13400 East Shea Boulevard, Scottsdale, AZ 85259, USA
2 Division of Biostatistics, Mayo Clinic, Rochester, MN, USA

Received 3 January 2007; accepted after revision 10 May 2007; online publish-ahead-of-print 23 July 2007.

* Corresponding author. E-mail address: lester.steven{at}mayo.edu (S.J. Lester).


  Abstract

Aim: To compare and contrast 3 different echocardiographic methods used to measure left atrial (LA) volume: biplane area length (AL), biplane modified Simpson (SIMP), and prolate ellipse (PE) methods.

Methods and results: A review of consecutive patients who presented to our outpatient echocardiography laboratory for a resting transthoracic study between April 2006 and May 2006 was performed. Echocardiograms were reexamined and LA volume measured using the AL, SIMP, and PE methods. Of 102 consecutive patients evaluated, 97 had a measure of LA volume using all 3 methods. A significant difference in the measurement of mean ± SD LA volume was noted among the 3 different methods: 37 ± 16 mL/m2 for AL, 34 ± 14 mL/m2 for SIMP, and 27 ± 12 mL/m2 for PE. The PE method yielded routinely smaller values compared with either the AL or SIMP method (P < 0.001). Differences increased with increased LA volume. The SIMP method derived consistently smaller (<5 mL/m2) values than those of the AL method, consistent across the full range of LA volumes.

Conclusion: Significant differences exist among these 3 commonly used methods for measuring LA volume. Standardization of the measurement of LA volume is recommended.

Keywords: Cardiac volume; Echocardiography; Heart atria


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