血浆脑钠肽在急性冠脉综合征患者的变化及与冠脉病变范围的关系

目的探讨血浆脑钠肽（BNP）在急性冠脉综合征（ACS）中的变化及与冠脉病变范围的关系。方法80例经冠状动脉造影证实的ACS患者，其中急性心肌梗死（AMI）患者45例，不稳定型心绞痛（UAP）19例，稳定型心绞痛（SAP）16例，20例冠脉造影阴性者（对照组）。检测AMI患者发病16-20h以及其他研究对象入院时的血浆BNP浓度，比较各组间BNP的差异。结果AMI、UAP、SAP和对照组血浆BNP浓度分别为（504．5±182．1）pg／ml、（248．1±171．7）pg／ml、（39．6±22．9）pg／ml、（21．2±16．0）pg／ml。AMI组平均BNP明显高于UAP组、SAP组和对照组（P〈0．01），UAP组平均BNP明显高于SAP组和对照组（P〈0．01），SAP组高于对照组（P〈0．05）。多支病变组平均BNP高于单支和0支病变组（P〈0．01）。结论不同临床类型冠心病患者的血浆BNP浓度存在差异，其水平高低与冠心病的病变范围关系密切。

Change of plasma B-type natriuretic peptide in patients with acute coronary syndrome and its relationship with range of coronary artery pathologic change

Objective To explore the diversity of plasma levels of B-type natriuretic peptide(BNP) in patients with acute coronary syndrome(ACS) and with different degrees of coronary artery lesions.Methods 80 patients with ACS were enrolled in this study,including 45 patients in acute myocardial infarction AMI) group,19 patients in unstable angina pectoris(UAP) group,16 patients in stable angina pectoris(SAP) group,20 persons without CHD as control group.Plasma levels of BNP were detected at 16 to 20 hours after the a...