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目的:观察N-乙酰半胱氨酸(NAC)对急性心肌梗死(AMI)左室重构的影响。方法:比较常规治疗组(对照组)和常规治疗基础上加用NAC组(实验组)的超声指标、氨基末端脑钠肽(NT-proBNP)和严重心脏不良事件(MACE)。结果:实验组术后3个月左室舒张末容积、左室收缩末容积、心室重构发生率、NT-proBNP、MACE发生率显著低于术前和对照组(P<0.05),左室球形指数和左室射血分数显著高于术前和对照组(P<0.05)。结论:NAC可能通过降低NT-proBNP水平而显著改善AMI心室重构。
Objective: To observe the effect of NAC on left ventricular remodeling in acute myocardial infarction (AMI). Methods: Ultrasonography, N-terminal pro-brain natriuretic peptide (NT-proBNP) and severe cardiac adverse events (MACE) were compared between the conventional treatment group (control group) and the conventional therapy plus NAC group (experimental group). Results: The left ventricular end-diastolic volume, left ventricular end-systolic volume, ventricular remodeling rate, NT-proBNP and MACE in experimental group at 3 months after operation were significantly lower than those in preoperative and control groups (P <0.05) Spherical index and left ventricular ejection fraction were significantly higher than preoperative and control groups (P <0.05). Conclusion: NAC may significantly improve AMI ventricular remodeling by decreasing NT-proBNP levels.