Left ventricular systolic longitudinal function: comparison among simple M-mode, pulsed, and M-mode color tissue Doppler of mitral annulus in healthy individuals.
BACKGROUND
M-mode determination of left ventricular (LV) atrioventricular plane displacement (AVPD) allows a simple assessment of LV longitudinal systolic function. Color tissue Doppler (TD) M-mode-derived AVPD and pulsed TD-derived systolic annular velocity are more sophisticated tools.


OBJECTIVE
We sought to compare these 3 techniques for the analysis of LV longitudinal systolic function.


METHODS
Standard M-mode AVPD, color TD M-mode AVPD, and systolic annular velocity were measured at 4 annular levels in 56 healthy individuals. The time to onset and the electromechanical interval were also determined using each technique.


RESULTS
Standard M-mode AVPD (r = 0.56, P < .0001) and color TD M-mode AVPD (r = .65, P < .0001) showed good correlation with systolic annular velocity. All 3 techniques revealed an inhomogeneous systolic shifting among different annular portions. Systolic intervals showed small discrepancies but high concordance between M-mode techniques and pulsed TD.


CONCLUSIONS
Standard M-mode imaging of the mitral annulus may be considered a reliable method for the assessment of LV longitudinal function.
Mondillo
Sergio
S
Department of Cardiovascular Diseases, Le Scotte Hospital, University of Siena, Siena, Italy.
Galderisi
Maurizio
M
Ballo
Piercarlo
P
Marino
Paolo Nicola
PN
D000328:Adult; D000368:Aged; D018618:Echocardiography, Doppler, Color / Q000379:methods*; D005260:Female; D006352:Heart Ventricles / Q000000981:diagnostic imaging*; D006801:Humans; D007090:Image Interpretation, Computer-Assisted / Q000379:methods*; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000000981:diagnostic imaging* / Q000502:physiology*; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D013599:Systole / Q000502:physiology*; D016276:Ventricular Function; D016277:Ventricular Function, Left / Q000502:physiology*