V2EX hemoglobin a1c

Hemoglobin A1c

定义 Definition

Hemoglobin A1c(糖化血红蛋白),简称 HbA1cA1c,是一种反映过去2至3个月内平均血糖水平的血液指标。它是血红蛋白与葡萄糖结合后形成的产物,广泛用于糖尿病的诊断和监测。

发音 Pronunciation

/himlobn e wn si/

例句 Examples

My doctor said my hemoglobin A1c level is within the normal range, so I don't need to worry.
我的医生说我的糖化血红蛋白水平在正常范围内,所以不用担心。

Patients with poorly controlled diabetes often have elevated hemoglobin A1c levels, which can indicate an increased risk of long-term complications such as neuropathy and retinopathy.
血糖控制不佳的糖尿病患者通常糖化血红蛋白水平偏高,这可能意味着神经病变和视网膜病变等长期并发症的风险增加。

词源 Etymology

Hemoglobin 一词来源于希腊语 haima(血液)和拉丁语 globus(球体),指红细胞中负责运输氧气的蛋白质。A1c 是血红蛋白经色谱法分离后的一个亚组分编号。当血液中的葡萄糖与血红蛋白A的β链末端缬氨酸发生非酶促基化反应时,便形成了糖化血红蛋白 A1c。该指标自20世纪70年代起被引入临床医学,逐渐成为评估长期血糖控制的金标准。

相关词汇 Related Words

文学与学术引用 Notable References

  • 《糖尿病控制与并发症试验》(Diabetes Control and Complications Trial, DCCT, 1993)这项里程碑式的研究确立了 HbA1c 作为评估血糖控制和预测糖尿病并发症风险的核心指标。
  • Clinical Chemistry 期刊中大量关于 HbA1c 检测标准化的学术论文,推动了该指标在全球范围内的临床应用统一。
  • 世界卫生组织(WHO)于2011年正式推荐将 HbA1c ≥ 6.5% 作为糖尿病的诊断标准之一,相关报告被广泛引用。
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