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目的探讨超声心动图胸骨上窝右肺动脉(RPA)切面在诊断大动脉炎(TA)累及RPA中的临床应用价值。方法对29例临床确诊为TA肺动脉受累并经超声心动图胸骨上窝检查和肺血管CT造影(CTPA)检查的结果进行回顾性分析。结果胸骨上窝切面共检出15例RPA病变,10例未见明显异常,4例因图像不佳未能做出诊断。胸骨上窝切面诊断TA RPA受累的灵敏度为78.9%、特异度100%、总符合率86.2%。结论胸骨上窝RPA切面可较好地显示TA累及RPA的病变,在超声心动图诊断TA肺动脉受累中发挥着重要作用。
Objective To investigate the clinical value of echocardiography in the diagnosis of aortic atherosclerosis (TA) involving RPA in suprasternal fossa right pulmonary artery (RPA). Methods Twenty - nine cases of pulmonary arterial involvement were identified and analyzed by echocardiographic sternosuperior ultrasonography and pulmonary vascular CT angiography (CTPA). Results A total of 15 cases of RPA were detected in the suprasternal section of the sternum. No significant abnormalities were observed in 10 cases and no diagnosis was found in 4 cases due to poor images. The sensitivity of TA supratentorial fossa was 78.9% and the specificity was 100%. The total coincidence rate was 86.2%. Conclusion The RPA section of the suprasternal fossa well shows the involvement of TA in the lesions of RPA. It plays an important role in the diagnosis of TA pulmonary artery involvement by echocardiography.