急性心肌梗塞溶栓治疗中血浆心钠素与肾素系统的变化及意义

Influence of Plasma Atrial Natriuretic Peptide, Plasma Renin Activity and Angiotensin Ⅱ on Venous Thrombolysis in Patients with Acute Myocardial Infarction

４０例急性心肌梗塞（以下简称急性心梗）患者于静脉内溶栓前、溶栓２、２４、７２ｈ及１周应用放免法检测血浆心钠素（ＡＮＰ）、肾素（ＰＲＡ）及血管紧张素Ⅱ（ＡｎｇⅡ）水平，２０例健康人为对照组。发现溶栓前心梗组较对照组ＡＮＰ明显升高（Ｐ＜０．０１），２ｈ达高峰（Ｐ＜０．００１），２４、７２ｈ及１周有明显下降趋势，但仍较对照组增高（Ｐ均＜０．０５）。其中２６例再灌注指标明确者ＡＮＰ２ｈ较溶栓前明显升高（Ｐ＜０．００１）。１４例无再灌注指标者则无显著性差异。心梗组ＡｎｇⅡ于２ｈ达高峰，与对照组有显著性差异（Ｐ＜０．０１），２４、７２ｈ及１周逐渐下降。ＰＲＡ于２、２４及７２ｈ亦均较对照组升高（Ｐ＜０．０５及０．０１）。不同部位及不同心功能状态的心梗患者血浆ＡＮＰ水平无显著性差异。＊Ｐ＜０．００１心梗组ＡＮＰ水平溶栓前、溶栓２４、７２ｈ及１周与溶栓２ｈ比：ΔＰ＜０．０１；ΔΔＰ＜０．００１２．２有再灌注指征及无再灌注指征者溶栓治疗后２ｈ血浆ＡＮＰ水平的变化见表２．２６例有再灌注指征者均发生了再灌注心律失常，且于溶栓治疗后２ｈＡＮＰ明显升高，与溶栓前ＡＮＰ水平有明显差异（Ｐ＜０．００１）。１４例无再灌注指征者溶栓治疗后２ｈ?

The concentration of atrial natriuretic peptide (ANP), plasma renin activity (PRA) and angiotensin Ⅱ (Ang Ⅱ) were measured in 40 patients with acute myocardial infarction at the time of admission, and the first 2, 24 , 72 hours and one week after venous thrombolysis. 20 normal subjects were control. It was found that ANP, PRA and Ang Ⅱ were significantly higher at admission in patients with AMI when compared to normal controls, and reached peak value at the first 2 hours after thrombolysis. ANP was significantly higher at the first 2 hours after thrombolysis than at admission in 28 patients with reperfusion,and there was no difference in 14 patients without reperfusion. There were no differences among different cardiac function and different region of infarction in patients with AMI in plasma ANP level.