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通过修改的非怀孕参考间隔来定义妊娠时甲状腺功能障碍:个体参与者的元分析
Joris A J Osinga1,2, Scott M Nelson3, John P Walsh4,5
1Department of Internal Medicine, Erasmus University Medical Center, 3000 CA Rotterdam, the Netherlands.
The Journal of clinical endocrinology and metabolism
|July 31, 2024
概括
对于甲状腺刺激激素 (TSH) 和自由甲状腺素 (FT4) 的修改后非怀孕参考间隔没有充分接近孕妇的三个月特定间隔. 需要进一步研究三个月特定间隔的临床意义.
科学领域:
- 内分泌学 在内分泌学.
- 生殖医学 生殖医学
- 临床化学 临床化学
背景情况:
- 对于妊娠时的甲状腺刺激激素 (TSH) 和自由甲状腺素 (FT4) 建立局部三个月特定的参考间隔是具有挑战性的.
- 需要使用替代策略来准确评估怀孕期间的甲状腺功能.
研究的目的:
- 系统地评估TSH和FT4.4的非怀孕参考间隔的标准化修改的诊断性能.
- 为了将这些修改后的间隔与已确定的三个月特定的参考间隔进行比较.
主要方法:
- 分析了来自甲状腺和怀孕联盟的前性队列数据.
- 用绝对,相对 (5%的增量) 和固定极限方法修改了甲状腺参考间隔.
- 在不同方法中, (亚) 临床甲状腺功能低下的患病率,敏感性和积极预测值 (PPV) 进行了比较.
主要成果:
- 对于明显的甲状腺功能低下症的最佳修改: -5%的TSH上限, +5%的FT4下限 (灵敏度:0.70,PPV:0.64).
- 亚临床甲状腺功能低下症的最佳修改: -20%的TSH上限, -15%的FT4下限 (灵敏度:0.91,PPV:0.71).
- 绝对和固定的修改显示了类似的结果,但宽的置信区间限制了概括性.
结论:
- 没有对非怀孕期的TSH和FT4参考间隔进行测试的修改. 适当近似的三个月特定间隔.
- 未来的研究应该专注于三个月特定间隔和基于风险的决策限制的临床相关性.
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