概述

在心脏瓣膜病中,一个或多个心脏瓣膜无法正常工作。有四个心脏瓣膜。这些瓣膜可以确保血液按正确方向流经心脏。

心脏瓣膜病有多种不同类型。有时,瓣膜未形成,或瓣膜不能完全闭合。或者瓣膜开口可能变窄。心脏瓣膜病会改变血液从心脏流向身体其他部位的路径。

心脏瓣膜病的治疗方法取决于受影响的心脏瓣膜以及疾病的类型和严重程度。有时需要通过手术来修复或置换心脏瓣膜。

症状

一些患有心脏瓣膜病的人可能很多年都不会出现症状。如果出现症状,则可能包括:

  • 休息时或活动或躺下时气短。
  • 疲劳。
  • 胸部疼痛。
  • 头晕。
  • 踝关节肿胀和脚肿。
  • 昏厥。
  • 心律不齐。

何时就诊

如果您有心脏瓣膜病的可能症状,请预约健康检查。您可能会被转诊给在心脏病领域训练有素的医生(称为心脏科医生)。

病因

要了解心脏瓣膜病的病因,了解心脏的工作原理可能会有所帮助。

心脏有四个瓣膜,用于保持血流方向正确。这四个瓣膜分别为:

  • 主动脉瓣。
  • 二尖瓣。
  • 肺动脉瓣。
  • 三尖瓣。

每个瓣膜都有瓣叶,称为小叶或瓣尖。心脏每跳动一次,这些瓣叶就会开合一次。如果瓣叶无法正常开合,会减少从心脏流向身体其他部位的血液。

心脏瓣膜病有多种不同类型。其中包括:

  • 狭窄。 瓣叶变厚或变硬。有时瓣叶可能会连接在一起。这些变化会导致瓣膜开口变窄。流经狭窄瓣膜的血液会减少。
  • 反流。 瓣叶闭合不严。因此血液可能会发生反流。
  • 脱垂。 瓣叶伸长且松弛。它们像降落伞一样向后膨出。这种情况可能会导致反流。
  • 闭锁。 瓣膜未形成。一个实心片状组织阻塞了心脏腔室之间的血流。这种类型通常影响肺动脉瓣。

有些人天生患有心脏瓣膜病。这称为先天性心脏瓣膜病。但成人也可能患上心脏瓣膜病。成人心脏瓣膜病的病因可能包括感染、增龄性变化和其他心脏状况。

风险因素

有些因素会增加患心脏瓣膜病的风险,包括:

  • 年龄较大。
  • 某些感染,如风湿热或血液感染。
  • 心脏病发作和某些类型的心脏病。
  • 高血压、高胆固醇、糖尿病和其他心脏病风险因素。
  • 出生时就有的心脏状况,称为先天性心脏缺损。

并发症

心脏瓣膜病的并发症可能包括:

  • 血块。
  • 心力衰竭。
  • 心律不齐。
  • 卒中。
  • 死亡。

May 02, 2026

Living with 心脏瓣膜疾病?

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