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目的探讨彩色多普勒超声(CDE)对法洛四联症(TOF)的诊断价值及对手术及恢复的指导意义。方法对72例TOF患者CDE检查结果与手术测量结果进行比较。结果CDE对TOF的诊断符合率为95.8%。超声测量左室舒末容积指数大小及左右肺动脉内径之和与膈水平降主动脉内径[(LPA+RPA)/DAO]的比值可反映左室及肺动脉发育情况。结论CDE对TOF的诊断具有较高的准确性,左室舒末容积指数及(LPA+RPA)/DAO比值对TOF手术方式的选择及判断恢复过程具有参考价值。
Objective To investigate the diagnostic value of color Doppler ultrasound (CDE) in tetralogy of Fallot (TOF) and its guiding significance for surgery and recovery. Methods 72 patients with TOF CDE examination results and surgical measurements were compared. Results The coincidence rate of CDE to TOF diagnosis was 95.8%. The ratio of left ventricular end-diastolic volume index, left and right pulmonary artery diameter and diaphragmatic aortic diameter [(LPA + RPA) / DAO] measured by ultrasound can reflect the development of left ventricular and pulmonary artery. Conclusions CDE has high accuracy in the diagnosis of TOF. The left ventricular end-diastolic volume index (LPA + RPA) / DAO ratio has reference value for the choice of TOF procedure and the recovery process.