术前超声心动图均对左心功能、大动脉及合并畸形进行评估，与手术结果对照分析。
Both preoperative echocardiography of left ventricular function, artery and malformation assessment were compared with surgical findings.
术前超声心动图均对左心功能、大动脉及合并畸形进行评估，与手术结果对照分析。
Both preoperative echocardiography of left ventricular function, artery and malformation assessment were compared with surgical findings.
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