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Relationship between insulin-like growth factor 1 and left ventricularremodeling in patients with acute myocardial infarction
Author(s): ZHANG Ming WANG Xiaohua
Pages: 376-
378
Year: 2013
Issue:
5
Journal: Journal of Clinical Cardiology
Keyword: 急性心肌梗死; 胰岛素样生长因子1; 胰岛素样生长因子结合蛋白1; 胰岛素样生长因子结合蛋白3;
Abstract: 目的:通过测定急性心肌梗死(AMI)患者血清中胰岛素样生长因子(IGF)-1及其相关结合蛋白(IGFBPs)的浓度,探讨IGF-1及IGFBPs对AMI后左室重构和短期预后的影响。方法:选取AMI患者64例,分别在发病后24h内、48h、72h、1周、3周测定其血清中IGF-1、Free IGF-1、IGFBP-1及IGFBP-3水平,并分别测定24h内、1周、1个月、3个月时的左室舒张末内径(LVEDD)、左室收缩末内径(LVESD)和左室射血分数(LVEF)。64例患者中,心功能较好者(Killip心功能Ⅰ~Ⅱ级)56例,心功能较差者(Killip心功能Ⅲ~Ⅳ级)8例,比较二者间IGF-1、IGFBP-3水平的差异。结果:AMI患者发病后48h和72h总IGF-1水平与发病后1周LVESD(r=-0.421,P=0.016;r=-0.415,P=0.018)、LVEDD(r=-0.490,P=0.004;r=-0.466,P=0.007)均呈负相关,与发病后1周LVEF(r=0.351,P=0.049;r=0.398,P=0.024)呈正相关。心功能较好者IGF-1、IGFBP-3水平明显高于心功能较差者,均差异有统计学意义(均P<0.01)。结论:AMI后血清总IGF-1水平与心室重构呈负相关,与心室功能呈正相关。
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