概述

三尖瓣疾病指两个右心腔(右心室和右心房)之间的瓣膜不能正常工作。三尖瓣疾病常伴有其他心脏瓣膜问题。

存在几种类型的三尖瓣疾病,包括:

  • 三尖瓣反流在这种状况下,三尖瓣不能正常关闭,血液回流到心脏的右上腔(右心房)。
  • 三尖瓣狭窄。在这种状况下,三尖瓣变窄,由右心房流向右下腔(右心室)的血液量减少。
  • 三尖瓣闭锁三尖瓣闭锁是出生时即患有的(先天性),在这种状况下,三尖瓣未形成,实心片状组织阻塞右心腔之间的血流。
  • 三尖瓣下移畸形三尖瓣下移畸形是先天性心脏缺陷,其中畸形的三尖瓣在右心室的位置比正常位置靠下。这会导致血液回流到右心房(三尖瓣反流)。

Types

There are several types of tricuspid valve disease, including:

  • Tricuspid valve regurgitation. The tricuspid valve doesn't close properly, and blood flows backward into your heart's upper right chamber (right atrium).
  • Tricuspid valve stenosis. The tricuspid valve is narrowed, reducing the flow of blood from the right upper heart chamber (right atrium) to the lower right heart chamber (right ventricle).
  • Tricuspid atresia. In this condition present at birth (congenital heart defect), the tricuspid valve isn't formed. A solid sheet of tissue blocks the blood flow between your right heart chambers.
  • Ebstein anomaly. Ebstein anomaly is a congenital heart defect in which a malformed tricuspid valve sits lower than normal in the right ventricle. This can cause blood to flow back into the right atrium (tricuspid valve regurgitation).

临床试验

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Jan. 13, 2022
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