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Tetralogy of Fallot

Overview

法洛四联症是四种心脏缺陷的结合,可能导致婴儿因血液中缺氧而变成蓝色或紫绀型. It usually is diagnosed in infancy.

心脏由四个腔室组成:两个上腔室, called atria, where blood enters the heart; and the two lower chambers, called ventricles, where blood is pumped out of the heart. 充当单向门的阀门控制着腔室和动脉之间的流动. 心脏也被描绘成两个并排的泵,一边将血液泵入肺部,另一边将血液从肺部泵回身体.

血液从心脏的右侧通过肺动脉和肺动脉向上泵入肺部, where the blood is filled with oxygen. From the lungs, 血液回流到左心房和左心室,然后通过另一条叫做主动脉的大血管输送到身体的其他部位.

Our Approach to Tetralogy of Fallot

UCSF provides comprehensive, 为患有法洛四联症等心脏缺陷的成年人提供高度专业化的护理. 我们专业的专家团队提供广泛的服务, including thorough medical evaluations, advanced treatments, long-term monitoring, and personalized recommendations on diet, exercise, psychosocial support and family planning.

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Signs & symptoms

The four defects characteristic of this condition include:

  • 心室壁的异常开口被称为室间隔缺损(VSD),它允许血液直接从右心室流向左心室而不经过肺部.
  • 肺瓣膜狭窄或瓣膜下方狭窄称为肺狭窄,部分阻断血液流向肺部.
  • 右心室肌肉过度发达,也叫右心室肥厚.
  • A displaced aorta, also called overriding aorta or Ao, directly over the abnormal opening between the ventricles.

Babies with tetralogy are blue at birth or soon after, and have detectable heart murmurs, an extra sound in the heartbeat. 哭闹等活动可能会加重病情,婴儿可能会呼吸急促或晕倒. 婴儿也可能会经历“四联症”,在这种情况下,氧气水平突然下降,导致烦躁,然后嗜睡或反应迟钝.

大多数法洛四联症患者在童年时都做过手术. 患有未修复四联症的成年人通常有轻微的紫绀和心脏杂音或额外的心音.

Diagnosis

法洛四联症的完整心脏评估包括:

  • 超声心动图,利用声波对心脏进行成像
  • Chest X-ray
  • 记录心脏电活动的心电图(EKG或ECG)
  • Examination of the oxygen content of arterial blood. 这通常是通过血氧计来完成的,血氧计是一个可以放在手指上的小灯. Sometimes, 可以从手腕的动脉中抽取血液样本,检查氧的含量, carbon dioxide and acidity.

Treatments

这些缺陷通常在婴儿大约6个月大时进行一次手术即可纠正,除非婴儿缺氧. 如果婴儿太小,可能需要两次手术. 第一种方法是通过分流管将肺动脉与主动脉或其分支连接起来,为肺部供血. 随后的手术扩大了肺动脉瓣的开口,并用贴片闭合室间隔缺损(VSD),使血液容易流入肺动脉和肺部. The shunt is then removed.

大多数患有四联症的人在十几岁的时候都做过矫正手术. If they have only had shunts placed, 他们可能需要做一个完整的修复,包括移除分流器.

成年法洛四联症患者应由专门护理成人先天性心脏病的心脏病专家来监测晚期并发症. 所有患者在随后的手术或牙科手术中都需要服用抗生素,以防止心内膜炎. 他们还需要定期监测任何后续并发症或心律紊乱. 最常见的晚期并发症是肺动脉瓣渗漏, called pulmonic regurgitation, that may require subsequent surgery. Nevertheless, 大多数患者将过上相对正常的生活,修复法洛四联症的妇女可以成功怀孕.

加州大学旧金山分校健康医学专家已经审查了这些信息. 它仅用于教育目的,并不打算取代您的十大赌博平台排行榜或其他医疗保健提供者的建议. 我们鼓励您与您的供应商讨论您可能遇到的任何问题或疑虑.

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