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目的探讨超声检测下肢动脉硬化诊断冠心病的价值。方法对确诊冠心病患者(研究组,86例)和同一时期收治的非冠心病患者(对照组,86例)行下肢血管超声检测,分析两组下肢动脉硬化情况及超声检测下肢动脉硬化对冠心病的诊断价值。结果研究组患者左、右股总动脉、股浅动脉近心段、股浅动脉远心段、腘动脉、胫后动脉、足背动脉血管内径均小于对照组(P<0.05)。研究组患者动脉中膜厚度大于对照组,斑块发生率高于对照组(P<0.05)。超声检测患者出现下肢动脉硬化诊断冠心病的灵敏度为72.09%,特异度为83.72%,阳性预测值为81.58%,阴性预测值为75.00%。结论下肢动脉硬化与冠心病关系密切。超声检测下肢动脉硬化对冠心病诊断有重要价值。
Objective To investigate the value of ultrasound in the diagnosis of coronary artery disease of lower extremity arteriosclerosis. Methods Ultrasonography of lower extremities was performed on patients diagnosed with coronary artery disease (study group, 86 cases) and non-coronary heart disease patients treated at the same period (control group, 86 cases). The arterial stiffness of the lower extremities and the level of arteriosclerosis Diagnostic value of heart disease. Results The diameter of left and right femoral artery, proximal femoral artery, telecentric segment of distal femoral artery, popliteal artery, posterior tibial artery and dorsalis pedis artery in study group were all less than those in control group (P <0.05). In the study group, the artery intima-media thickness was larger than that in the control group, and the plaque incidence was higher than that in the control group (P <0.05). The sensitivity of lower extremity arteriosclerosis in diagnosis of coronary artery disease was 72.09%, specificity was 83.72%, positive predictive value was 81.58%, negative predictive value was 75.00%. Conclusion Lower extremity arteriosclerosis is closely related to coronary heart disease. Ultrasound detection of lower extremity arteriosclerosis has important value in the diagnosis of coronary heart disease.