Right ventricular ejection fraction with cardiac magnetic resonance using a wall motion score*

被引：0
作者：
Lebeau, Real [1 ]
Page, Maude [1 ]
Serri, Karim [1 ]
Pichette, Maxime [1 ]
Di Lorenzo, Maria [1 ]
Sauve, Claude [1 ]
Vinet, Alain [2 ]
Poulina, Frederic [1 ]
机构：
[1] Univ Montreal, Hop Sacre Coeur Montreal, Dept Med, Div Cardiol, 5400 Gouin Blvd W, Montreal, PQ H4J 1C5, Canada
[2] Univ Montreal, Hop Sacre Coeur Montreal, Res Ctr, Dept Pharmacol & Physiol, Montreal, PQ H4J 1C5, Canada
来源：
ARCHIVES OF CARDIOVASCULAR DISEASES | 2022年 / 115卷 / 03期
关键词：
Right ventricle; Ejection fraction; Cardiac magnetic resonance; Wall motion score; SYSTOLIC DYSFUNCTION; HEALTHY-SUBJECTS; ABNORMALITIES; PREVALENCE; PREDICTOR; ACCURACY; CMR;
D O I：
10.1016/j.acvd.2022.01.002
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
Background. - The volumetric method in cardiac magnetic resonance (CMR), the reference standard for right ventricular ejection fraction (RVEF), requires expertise because of the complex right ventricular geometry and anatomical landmarks. Aim. - The aim of our retrospective study was to describe a new method to evaluate RVEF based on wall motion score index (WMSI) in CMR. Methods. - Visual assessment of wall motion was performed using an eight-segment model (normokinesia = 1, hypokinesia = 2, akinesia = 3). Correlation between WMSI (WMS/8) and the reference volumetric RVEF was analysed. A regression equation was derived to convert the WMSI into RVEF. The accuracy of CMR WMSI-derived RVEF compared with CMR volumetric RVEF was evaluated using Bland-Altman analysis.
引用
收藏
页码：126 / 133
页数：8
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