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Effect of simvastatin on ventricular remodeling in rats after myocardial infarction / 中华老年医学杂志
Chinese Journal of Geriatrics ; (12)2003.
Article in Chinese | WPRIM | ID: wpr-542185
ABSTRACT
Objective To study the effect of simvastatin on improve ventricular remodeling in rats after myocardial infarction(MI). Methods The MI models of rat were constructed,and divided into three groups(1)MI group(MI-C),only ligation of left anterior descending coronary artery(LAD);(2)Simvastatin group(MI-S),ligation of LAD and gavage with simvastatin 40 mg?kg~(-1)?d~(-1);(3)Sham group(sham),no ligation of LAD.Cardiac architecture and function were determined by the echocardiography.The TNF-? mRNA expression in infarction and non-infarction regions was measured by RT-PCR. TNF-? protein was determined by Western blot and immunohistochemical staining.Results The echocardiography showed that the left ventricular end-diastolic diameter(LVEDd,(7.5?0.4)mm versus(4.5?0.3)mm) significantly increased in MI-C group,compared with sham group.The fractional shortening(FS,(20.5?2.5)% versus(51.6?3.1)%) and ejection fraction(EF,(41.4?4.3)%versus(85.2?3.7)%)markedly decreased in MI-C group,while compared with sham group. Simvastatin obviously reduced left ventricle(LV) expansion and improved LV function(P

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Geriatrics Year: 2003 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Geriatrics Year: 2003 Type: Article