随着时间的推移而增加的宏芽蛋白:对于血清芽蛋白持续升高的人来说,是否有必要重新检查它?
Mark Livingston1,2, Syeda F Hashmi1, Sudarshan Ramachandran3,4,5,6,7
1Department of Clinical Biochemistry, Black Country Pathology Services , Walsall Manor Hospital, Walsall, UK.
Clinical endocrinology
|March 27, 2024
概括
使用聚乙烯糖醇 (PEG) 沉确定的巨乳细胞质血症状况,在超级巨乳细胞质的个体中,随着时间的推移很少发生变化. 一旦初始状态确定,重复测试宏芽蛋白不太可能改变临床决策.
科学领域:
- 内分泌学 在内分泌学.
- 临床化学 临床化学
- 实验室医学 实验室医学
背景情况:
- 巨乳糖性血症 (macroprolactinemia) 是一种与抗体结合的疾病,它会干扰精确的血清益乳素水平解释.
- 虽然已知存在巨乳糖性血症,但在患有高血糖性血症的患者中,随着时间的推移,其稳定性的理解较少.
- 了解宏芽蛋白状况的变异性对于适当的临床管理高血芽蛋白血症至关重要.
研究的目的:
- 为了研究9年时间内的巨乳蛋白状况的变化,在患有高血糖性血症的个体中.
- 根据聚乙烯糖醇 (PEG) 沉测定结果,确定巨蛋白状态变化的频率.
- 为了评估任何观察到的巨菌素状态变化的临床意义.
主要方法:
- 分析了2012年1月至2021年4月期间从1810名个人收集的连续血清益乳素测量结果.
- 使用了罗氏科巴斯8000分析仪来测量益乳素,以及用于数据提取的实验室信息系统.
- 使用PEG沉对具有前性素水平>700mIU/L的样本进行了巨乳蛋白查,恢复截止值<60%,表明巨乳蛋白存在.
主要成果:
- 在1810个个体中,共进行了2782次巨蛋白查测试.
- 在94名患者的141项测量中,巨乳蛋白查呈阳性.
- 在研究期间,只有19名患者表现出巨蛋白质状态的变化 (高于或低于60%的PEG恢复截止值);在7名患者中,这种变化具有临床意义.
结论:
- 通过PEG沉确定的宏芽蛋白状况,在9年内在大多数超芽蛋白性患者中表现出稳定性.
- 巨乳蛋白状况的变化很少发生,很少导致单体巨乳蛋白水平的显著变化.
- 一旦初始状态确定,重复的巨蛋白检测通常不适用于临床决策.
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