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目的观察踝臂指数(ankle brachial index,ABI)与急性冠脉综合征患者预后之间的关系。方法对121例急性冠脉综合征(ACS)患者测定ABI值,根据ABI测定结果为依据将121例患者分为正常ABI组(1.40.9)与低ABI组(ABI≤0.9),观察两组患者住院期间及出院后6月内心血管不良事件发生情况。结果低ABI组心血管事件(严重心律失常、顽固性心绞痛、再发心肌梗死、充血性心衰、心源性休克和心源性死亡)发生率高于正常ABI组,相比较有统计学差异(P<0.05)。结论 ABI≤0.9对急性冠脉综合征患者的预后有预测价值,低ABI的急性冠脉综合征患者主要心血管不良事件发生率高,预后较差。ABI作为下肢外周动脉疾病的无创检测手段,可以作为急性冠脉综合征患者预后的判断指标。
Objective To observe the relationship between ankle brachial index (ABI) and the prognosis of patients with acute coronary syndrome. Methods 121 patients with acute coronary syndrome (ACS) were enrolled in the study. ABI was measured in 121 patients according to the results of ABI. 121 patients were divided into normal ABI group (1.4 0.9) and low ABI group (ABI≤0.9) Two groups of patients during hospitalization and within 6 months after discharge of cardiovascular adverse events. Results The incidence of cardiovascular events (severe arrhythmia, refractory angina, recurrent myocardial infarction, congestive heart failure, cardiogenic shock and cardiogenic death) in the low ABI group was significantly higher than that in the normal ABI group (P <0.05). Conclusion ABI ≤ 0.9 has prognostic value in the prognosis of patients with acute coronary syndrome. The incidence of major adverse cardiovascular events in patients with low ABI and acute coronary syndrome is high, and the prognosis is poor. ABI as a non-invasive detection of lower extremity peripheral artery disease can be used as a prognostic indicator in patients with acute coronary syndrome.