2018
DOI: 10.1530/erp-18-0006
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Assessment of LVEF using a new 16-segment wall motion score in echocardiography

Abstract: BackgroundSimpson biplane method and 3D by transthoracic echocardiography (TTE), radionuclide angiography (RNA) and cardiac magnetic resonance imaging (CMR) are the most accepted techniques for left ventricular ejection fraction (LVEF) assessment. Wall motion score index (WMSI) by TTE is an accepted complement. However, the conversion from WMSI to LVEF is obtained through a regression equation, which may limit its use. In this retrospective study, we aimed to validate a new method to derive LVEF from the wall … Show more

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Cited by 14 publications
(12 citation statements)
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References 27 publications
(35 reference statements)
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“… 21 Two readers classified segmental wall motion using the following score: (1) normal; (2) hypokinetic; (3) akinetic; and (4) dyskinetic. Imaging data were analysed and WMS 22 was calculated as the average value of the studied segments. Myocardial function was assessed by evaluating the deformation of the myocardium using 2D STE and endocardial borders were detected at 2D end-systole.…”
Section: Methodsmentioning
confidence: 99%
“… 21 Two readers classified segmental wall motion using the following score: (1) normal; (2) hypokinetic; (3) akinetic; and (4) dyskinetic. Imaging data were analysed and WMS 22 was calculated as the average value of the studied segments. Myocardial function was assessed by evaluating the deformation of the myocardium using 2D STE and endocardial borders were detected at 2D end-systole.…”
Section: Methodsmentioning
confidence: 99%
“…In order to describe the number and the severity of the affected myocardial regions, the wall motion score index (WMSI) was calculated by dividing the total of the wall motion scores of each segment by 16. [ 18 ]. We also took the ejection fraction into account for the differentiation between mild (EF≥40%) and severe TTC (EF <40%).…”
Section: Methodsmentioning
confidence: 99%
“…Wall motion score index (WMSI) was calculated by assigning value of 1 to 4 for each of 16 segments of LV as follows: normokinetic segment= 1; hypokinetic segment=2; akinetic segment=3; dyskinetic segment=4 [20].…”
Section: Echocardiography Imagingmentioning
confidence: 99%