MRI for the diagnosis of left ventricular apical ballooning syndrome (LVABS)

被引:28
作者
Gerbaud, Edouard [2 ]
Montaudon, Michel [1 ,3 ]
Leroux, Lionel [2 ,4 ]
Corneloup, Olivier [1 ]
Dos Santos, Pierre [4 ]
Jais, Catherine [2 ]
Coste, Pierre [2 ,4 ]
Laurent, Francois [1 ,3 ]
机构
[1] Univ Bordeaux, Hop Cardiol, Unite Imagerie Thorac & Cardiovasc, Ctr Hosp, F-33604 Pessac, France
[2] Univ Bordeaux, Hop Cardiol, Ctr Hosp, Unite Soins Intensifs Cardiol, F-33604 Pessac, France
[3] Univ Bordeaux 2, Inst Natl Sante & Rech Med, U885, F-33076 Bordeaux, France
[4] Univ Bordeaux 2, U441, F-33076 Bordeaux, France
关键词
cardiac; MRI; apical ballooning; Tako-Tsubo cardiomyopathy;
D O I
10.1007/s00330-008-0853-9
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
To compare MRI findings of left ventricular apical ballooning syndrome (LVABS) with those of acute myocardial infarction (AMI). Fifteen patients with a LVABS (group 1) and 25 patients with an AMI (group 2) were explored by MRI within 24 h after admission. Comparison of both groups for the number and location of myocardial segments with abnormal wall motion and abnormal perfusion or delayed enhancement was performed. The number of involved segments was higher in group 1 than in group 2 (p < 0.001). In group 1, segments with abnormal wall motion were distributed in more than one vascular territory in all patients and confined to the medial, distal, and apical regions of the left ventricle. Subendocardial hypoenhancement was observed in 16/25 patients (64%) in group 2 and in none of group 1 (p < 0.001). All patients in group 2 demonstrated delayed-enhancement abnormalities in a vascular distribution, whereas none in group 1 presented this abnormality (p < 0.001). Diffusely distributed segmental wall-motion abnormalities and absence of first-pass perfusion hypoenhancement and of delayed enhancement at MRI help to differentiate LVABS from AMI. In the acute phase or in some difficult cases, cardiac MRI should become routine to confirm the diagnosis of LVABS.
引用
收藏
页码:947 / 954
页数:8
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