Stage 1 of Reconstruction of a Heart with Hypoplastic Left Heart Syndrome (HLHS)
左心发育不良综合征（HLHS）I 期心脏重建术
The one good pumping chamber, which in hypoplastic left heart syndrome is the right ventricle, that ventricle has to pump to the body.
左心发育不良综合征（HLHS）患者的有效泵血腔是右心室，右心室必须将血液泵送到身体。
So you have to connect the arteries to the lungs and the body in such a way that all the blood goes out to the body without any obstruction. In HLHS, the aorta is usually too small. So we correct that by putting a patch on to enlarge it.
因此，我们必须连接动脉和肺，使所有血液畅通无阻地流向身体。HLHS 患者的主动脉通常过小，所以我们必须使用补片扩大主动脉，来矫正问题。
And that's done by connecting the pulmonary artery, which comes from the right ventricle, to the aorta and then usually putting a patch on to finish the connection of those two blood vessels and enlarge the aorta.
术中，医生将连接右心室的肺动脉连接到主动脉，然后通常使用补片来完成两条血管的连接，并扩大主动脉。
In addition, you have to prevent blood from backing up inside the left side of the heart. So you have to cut out the partition between the two upper chambers of the heart.
此外，我们也必须防止心脏左侧的血液回流。我们必须切断心脏两个上腔室之间的分隔。
And then the third principle of the Norwood operation, or the first-stage operation, is to provide some restricted blood flow to the lungs. What we call "pulmonary blood flow."
然后，Norwood 手术，或 I 期手术的第三个原则是限制肺血流，我们称之为“肺血流量”。
And we do that by placing a shunt, or a small tube, from one of the systemic arteries, or arteries that goes from the heart to the body, to the pulmonary artery.
我们通过在体循环动脉（将血液从心脏输送到身体的动脉）到肺动脉的动脉内放置分流管，或小管来实现。
That is enough flow that you can get enough oxygen in the bloodstream but not so much flow that you have resistance problems.
这样患者将获取充足的富氧肺血，但血流量不大，会出现阻力问题。
相关单词学习
Hypoplastic
①发音和释义
hy•po•plas•tic/ˌhaɪpə'plæstɪk/adj. 发育不全的，发育不良的
Pertaining to or characterized by hypoplasia.
单词 hypoplastic 由下列成分构成
hypo-（前缀）在.....下，次于
+
-plasia 发育，发展
（图源：太帅图库）
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