Videomediastinoscopy is a safe and effective procedure for the diagnosis of cause for superiorvenacavaobstruction syndrome.
结论通过电视纵隔镜检查可对上腔静脉综合征的病因作出准确诊断，该检查安全可行。
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Objective: to explore clinical manifestations, diagnosis and treatment to superiorvenacavaobstruction (SVCO) after cardiac operations for congenital heart disease in infants.