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在上腺静脉采样中,LC-MS/MS在明显双边阿尔多斯特抑制中的价值,用于初级阿尔多斯特主义
Wei Li1, Qixin Zhou1, Yifan He1
1Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
The Journal of clinical endocrinology and metabolism
|December 23, 2024
概括
液体染色学-双重质谱法 (LC-MS/MS) 在上腺静脉采样 (AVS) 过程中减少明显的双边阿尔多素抑制 (ABAS),用于初级阿尔多素 (PA) 亚型. 这种方法还降低了误诊率,特别是在ABAS病例中.
科学领域:
- 内分泌学 在内分泌学.
- 医学诊断 医学诊断 医学诊断
- 质谱测量质量谱测量
背景情况:
- 上腺静脉采样 (AVS) 对于初级阿尔多斯顿主义 (PA) 亚型化至关重要.
- 显而易见的双边阿尔多激素抑制 (ABAS) 可以使AVS不可靠.
- 液体染色学-并联质谱学 (LC-MS/MS) 在ABAS期间的PA亚型化中的实用性尚未得到充分证实.
研究的目的:
- 评估LC-MS/MS是否可以减少ABAS发生.
- 评估LC-MS/MS是否可以减少PA亚型的误诊.
- 为了将LC-MS/MS与AVS中PA的免疫试验进行比较.
主要方法:
- 用LC-MS/MS和AVS样本的免疫测试测量了219名PA患者的阿尔多斯特和皮质醇水平.
- 计算了明显的双边阿尔多素抑制 (ABAS) 发生率和PA亚型误诊率.
- 对非刺激的和ACTH刺激的AVS进行了分析.
主要成果:
- 与未受刺激的AVS免疫试验相比,LC-MS/MS显著降低了ABAS发生率 (3.1%对10.7%).
- 对LC-MS/MS的错误诊断率为9.1%,略低于免疫试验的10.4%.
- 在ABAS患者中,错误诊断明显高,特别是在免疫测试 (5/6错误诊断).
结论:
- 在AVS中,LC-MS/MS提供了一种更可靠的方法来测量阿尔多斯特和皮质醇.
- 这种技术提供了一种潜在的解决方案,可以在ABAS发生时提高PA亚型的准确性.
- 在具有挑战性的AVS病例中,LC-MS/MS显示出比免疫试验更好的诊断性能.
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