A rapid method to quantify left atrial contractile function: Doppler tissue imaging of the mitral annulus during atrial systole

doi:10.1016/S1525-2167(03)00046-5

European Journal of Echocardiography 2004 5(1):86-92; doi:10.1016/S1525-2167(03)00046-5
© 2004 by European Society of Cardiology

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A rapid method to quantify left atrial contractile function: Doppler tissue imaging of the mitral annulus during atrial systole

B Hesse^a, S.U Schuele^b, M Thamilasaran^a, J Thomas^a and L Rodriguez^a^,*

^aDepartment of Cardiology, The Cleveland Clinic Foundation, Cleveland, OH, USA
^bDepartment of Neurology, The Cleveland Clinic Foundation, Cleveland, OH, USA

Received 3 March 2003; received in revised form 9 May 2003; accepted after revision 16 May 2003.

^* Corresponding author. Department of Cardiology, Desk F 15, 9500 Euclid Avenue, Cleveland, OH 44195, USA. Tel.: +1-216-444-4150; fax: +1-216-445-7306. rodrigl{at}ccf.org

Abstract

Aims: Assess the value of peak atrial systolic mitral annularvelocity (A_ann) measured by Doppler tissue echocardiographyto quantify left atrial systolic function.

Methods: We studied a total of 61 adults; 10 subjects withouthistory of heart disease and 51 patients with a history of atrialfibrillation or undergoing evaluation for left ventricular systolicor diastolic dysfunction. A_ann was obtained by averaging peakatrial systolic mitral annular velocities from the septal, lateral,anterior, and inferior annulus. Left atrial fractional areachange (FAC) and fractional volume change (FVC) during atrialsystole were calculated. The correlation between peak atrialsystolic mitral annular velocity (A_ann) and left atrial systolicFAC and FVC was determined.

Results: Mean FAC and FVC were 27±12 and 40±14%,respectively; mean A_ann was 11.2 ± 3.2 cm/s. Linear regressionanalysis showed correlation between A_ann and FAC (r = 0.71;p<0.001) and between A_ann and FVC (r = 0.74; p<0.001).

Conclusions: Peak systolic mitral annular velocity correlateswell with left atrial systolic FAC and FVC, thus providing aneasy means to assess left atrial systolic function.

Keywords: left atrial function; Doppler tissue imaging; mitral regurgitation

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