Evaluation of cardioprotective effects of recombinant soluble P-selectin glycoprotein ligand-immunoglobulin in myocardial ischemia-reperfusion injury by real-time myocardial contrast echocardiography

被引:20
作者
Hansen, A
Kumar, A
Wolf, D
Frankenbergerova, K
Filusch, A
Gross, ML
Mueller, S
Katus, H
Kuecherer, H
机构
[1] Univ Heidelberg, Dept Cardiol, D-69115 Heidelberg, Germany
[2] Univ Heidelberg, Dept Pathol, D-69115 Heidelberg, Germany
[3] Wyeth Res, Cambridge, MA USA
关键词
D O I
10.1016/j.jacc.2004.05.052
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
OBJECTIVES The purpose was to examine the cardioprotective effects of recombinant P-selectin glycoprotein ligand-immunoglobulin (rPSGL-Ig) in ischemia-reperfusion injury by real-time myocardial contrast echocardiography (MCE). BACKGROUND P-selectin mediates leukocyte recruitment into areas of inflammation. METHODS Sixteen pigs underwent 45 min of left anterior descending coronary artery occlusion followed by reperfusion and received rPSGL-Ig or vehicle. To assess changes in myocardial perfusion (A x beta), MCE was performed. RESULTS After 120 min of reperfusion, A x beta in the risk area was higher (0.84 +/- 0.15 dB/s vs. 0.28 +/- 0.1 dB/s, p < 0.0001), and the infarct size was lower (30.3 +/- 12% vs. 57 +/- 14%, p = 0.002) in the rPSGL-Ig group compared with the vehicle group. CONCLUSIONS Recombinant PSGL-Ig improved postischemic reflow accurately detected by real-time MCE. (C) 2004 by the American College of Cardiology Foundation.
引用
收藏
页码:887 / 891
页数:5
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