Left ventricular mass and volume: Fast calculation with guide-point modeling on MR images

被引：159
作者：
Young, AA
Cowan, BR
Thrupp, SF
Hedley, WJ
Dell'Italia, LJ
机构：
[1] Univ Auckland, Dept Anat & Radiol, Auckland 1, New Zealand
[2] Univ Auckland, Dept Med, Auckland 1, New Zealand
[3] Univ Auckland, Dept Engn Sci, Auckland 1, New Zealand
[4] Univ Alabama Birmingham, Dept Med, Birmingham, AL 35294 USA
来源：
RADIOLOGY | 2000年 / 216卷 / 02期
关键词：
heart; volume; magnetic resonance (MR); phase imaging; rapid imaging; volume measurement;
D O I：
10.1148/radiology.216.2.r00au14597
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
The authors describe a fast method for calculating left ventricle (LV) mass and volumes from multiplanar magnetic resonance (MR) images. Mathematic models were fitted to a small number of user-selected guide points in 15 healthy volunteers, 13 patients after myocardial infarction, and a canine model of mitral regurgitation in eight dogs. Errors between model and manual contours were small (LV mass, 1.8 g +/- 4.9 [mean +/- SD]; end-diastolic volume, 2.2 mL +/- 4.6; end-systolic volume, 2.3 mL +/- 3.8). : Estimates of global function could be obtained in 6 minutes, a time saving of 5-10 times over estimates with manual contouring.
引用
收藏
页码：597 / 602
页数：6
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