CLIN CHEM LAB MED:年龄特异性参考值可提高多囊卵巢综合征AMH的诊断水平

2020-08-05 MedSci原创 MedSci原创

生长卵泡分泌抗苗勒氏激素(AMH)的增加被认为是多囊卵巢综合征(PCOS)的决定性特征。

生长卵泡分泌抗苗勒氏激素(AMH)的增加被认为是多囊卵巢综合征(PCOS)的决定性特征。与游离雄激素指数(FAI)和黄体生成素(LH)/卵泡刺激素(FSH)商相比,AMH对多囊卵巢综合征(PCOS)的诊断效果更好。本研究建立了年龄依赖的参考范围,以进一步提高AMH的诊断性能。

在横断面研究中,研究人员采用免疫分析法或串联质谱(LC-MS/MS)检测4712例14 ~ 50岁育龄患者的BMI、AMH和其他生殖激素,计算年龄特异性参考范围和诊断效果。对照组建立了Elecsys®AMH、FAI和LH/FSH比值的年龄特异性诊断性能。研究结果显示,两组间BMI无显著差异。卵巢功能正常患者的AMH值与年龄呈显著负相关(r = - 0.628, p < 0.001),而PCOS患者的AMH值与年龄无相关性(r = - 0.041, p < 0.174)。在所有研究组中,AMH均显示FAI与LH/FSH比值呈弱相关性(r = 0.302, p < 0.001, r = 0.434, p < 0.001)。根据约登指数,AMH、FAI和LH/FSH比值的敏感性/特异性分别为89/96%、71/69%和75/72%。

在这项大规模的基于人群的研究中,研究人员确定了血清AMH水平的年龄依赖参考范围,并计算了FAI和LH/FSH比值的年龄特异性诊断性能,这使医生能够评估具有正常AMH水平的多囊病患者。与FAI和LH/FSH比值相比,AMH被认为是PCOS患者最有效的诊断指标。

原始出处:

Osman Evliyaoglu, Mathias Imöhl,Age-specific reference values improve the diagnostic performance of AMH in polycystic ovary syndrome

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    2020-12-29 fengyi812
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