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目的探讨踝臂指数(ABI)与冠状动脉狭窄程度及斑块形态的关系。方法入选的82例患者均行冠状动脉造影(CAG),并于CAG前行ABI测定,分析ABI与冠状动脉狭窄程度及斑块形态的相关性。结果冠脉病变组ABI值低于正常组(P<0.05),冠脉轻度狭窄、中度狭窄和重度狭窄组两两比较ABI值差异有统计学意义(P<0.05)。Ⅰ型、Ⅱ型、Ⅲ型斑块组ABI值差异无统计学意义(P>0.05)。结论 ABI与冠状动脉狭窄程度有关,与斑块形态无关。
Objective To investigate the relationship between ankle brachial index (ABI) and the degree of coronary artery stenosis and plaque morphology. Methods 82 patients underwent coronary angiography (CAG), and CAG ABI determination of ABI and coronary artery stenosis and plaque morphology correlation. Results The ABI of coronary lesion group was lower than that of the normal group (P <0.05). There was significant difference in ABI between two groups (P <0.05) in mild stenosis group, moderate stenosis group and severe stenosis group. There was no significant difference in ABI between type Ⅰ, type Ⅱ and type Ⅲ plaques (P> 0.05). Conclusion ABI is related to the degree of coronary artery stenosis, but not to the plaque morphology.