The infants who had RFCA were typically sicker than the older children, with congenital heart defects in 36.1% vs. 11.2%, and life-threatening arrhythmias in 33% vs. 7.7%.

• 接受RFCA治疗的新生儿的身体状况比年龄较大的儿童明显要差，其中先天性心脏病为36.；1%25比11