V2EX international normalized ratio

International Normalized Ratio

Definition / 释义

国际标准化比值(常缩写为 INR):用于评估血液凝固能力的标准化指标,主要基于凝血酶原时间(PT)计算,使不同实验室的检测结果更可比。常用于监测华法林(warfarin)等口服抗凝药的治疗强度。

Pronunciation / 发音

/ntrnnl nrmlazd reio/
/ntnnl nmlazd rei/

Examples / 例句

My INR is 2.5 today.
我今天的 INR 是 2.5。

Patients on warfarin need regular INR monitoring to reduce the risk of bleeding or clots.
服用华法林的患者需要定期监测 INR,以降低出血或血栓的风险。

Etymology / 词源

该术语由三部分组成:international(国际的)+ normalized(标准化的)+ ratio(比值)。它产生于血液学与检验医学领域,用来把不同试剂与仪器测得的 PT 结果“拉到同一把尺子上”进行比较;其标准化思路由国际组织(如 WHO 相关体系)推动普及,因而得名“国际标准化比值”。

Related Words / 相关词

Literary Works / 文学作品

  • Harrison’s Principles of Internal Medicine(《哈里森内科学》)
  • The Merck Manual(《默克手册》)
  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics(《古德曼与吉尔曼:治疗学的药理学基础》)
  • Chest(期刊)中的 ACCP 抗栓治疗与抗凝管理指南文章(常讨论 INR 监测与目标范围)
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