Most babies have a closed ductus arteriosus by 72 hours after birth.

大多数婴儿在出生后72小时内动脉导管闭合.

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Figure B shows a heart with a patent ductus arteriosus.

图B显示了存在“开放性动脉导管”问题的心脏.

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What are the symptoms of a patent ductus arteriosus?

动脉导管未闭有哪些症状?

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A small patent ductus arteriosus may close spontaneously as your child grows.

细的导管随着孩子的成长可能自然闭合.

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How is a patent ductus arteriosus diagnosed?

如何诊断动脉导管未闭?

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What is a patent ductus arteriosus ( PDA )?

什么是动脉 导管 未闭?

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In the diagram at the left , this is through a patent ductus arteriosus.

在左图, 则通过未闭的动脉导管相通.

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In some babies, however, the ductus arteriosus remains open ( patent ) and becomes a problem, PDA.

然而, 有些婴儿的动脉导管未闭合 ( 持续开放 ) 而形成疾病.

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An intravenous ( IV ) medication called prostaglandin E 1 is given to keep the ductus arteriosus from closing.

经 静脉 给叫作前列腺素E1的药物以保持动脉导管不闭合.

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Other defects, as atrial or ventricular septal defects or a patent ductus arteriosus, are commonly closed.

其它的缺损, 比如心房或心室间隔缺损,或者是动脉导管未闭要一同修补好.

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At this point the ductus arteriosus is not needed to bypass the lungs.

此时,(肺动脉血液就)不再需要经过动脉导管而直接注入肺脏.

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Objective To explore the effect of transcatheter closure patent ductus arteriosus ( PDA ) in infants.

目的探讨经导管堵塞婴幼儿动脉 导管 未闭的疗效.

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This connection is called the ductus arteriosus, and it is normally present before birth.

这种连接又称为“动脉导管”.动脉导管在出生之前是非常必要的.

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