Reproducibility of wall motion score and its correlation with left ventricular ejection fraction in patients with acute myocardial infarction.
The inter- and intraobserver variability, as well as the relation to left ventricular (LV) function indexes, of LV wall motion score calculated using the 16- and 11-segment models of LV segmentation were assessed in 105 patients with acute myocardial infarction who were examined at 36 +/- 7 hours from onset of symptoms. In these patients, the use of the 16-segment model of LV segmentation portends to a significantly higher inter- and intraobserver reproducibility of segmental wall motion score than the use of the 11-segment model. In addition, wall motion score assessed with the more detailed 16-segment model of LV segmentation showed a significantly higher correlation with LV ejection fraction than the wall motion score assessed using the 11-segment model.
Badano
L
L
Centro Studi A.N.M.C.O., Florence, Italy.
Stoian
J
J
Cervesato
E
E
Bosimini
E
E
Gentile
F
F
Giannuzzi
P
P
Heyman
J
J
Lucci
D
D
Maggioni
A P
AP
Piazza
R
R
Nicolosi
G L
GL
D000328:Adult; D000368:Aged; D004452:Echocardiography; D006352:Heart Ventricles / Q000000981:diagnostic imaging*; D006801:Humans; D008875:Middle Aged; D009203:Myocardial Infarction / Q000000981:diagnostic imaging / Q000503:physiopathology*; D015588:Observer Variation; D015203:Reproducibility of Results; D013318:Stroke Volume / Q000502:physiology*; D016277:Ventricular Function, Left / Q000502:physiology*; D014741:Video Recording