V2EX coarctation

Coarctation

Definition / 释义

(医学)狭窄、缩窄:指管状结构(尤指主动脉)某一段异常变窄,造成血流受阻。最常见搭配为 coarctation of the aorta(主动脉缩窄)。该词在医学语境中使用最频繁;在其他领域也可泛指“某部分被压缩变窄”。

Pronunciation / 发音

/ko.rkte.n/

Examples / 例句

The doctor diagnosed coarctation of the aorta in the newborn.
医生诊断这名新生儿患有主动脉缩窄。

Untreated coarctation can lead to hypertension and reduced blood flow to the lower body, requiring careful imaging and long-term follow-up.
未治疗的缩窄可能导致高血压以及下半身供血减少,因此需要仔细影像检查并进行长期随访。

Etymology / 词源

coarctation 来自拉丁语 coarctare,意为“压紧、挤压使变窄”,由 co-(共同、一起) + arctare(使变紧、使变窄) 组成。进入英语后主要用于医学,描述“管腔或通道的病理性变窄”。

Related Words / 相关词

Literary Works / 文学作品

  • Gray’s Anatomy(《格雷氏解剖学》):在心血管解剖与先天性畸形相关章节中常见该术语(如“coarctation of the aorta”)。
  • Harrison’s Principles of Internal Medicine(《哈里森内科学》):在先天性心脏病与高血压相关讨论中使用该词。
  • The Merck Manual(《默克诊疗手册》):在心血管疾病条目中常出现该词,用于说明病因、诊断与治疗要点。
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