在出生时体重非常低的婴儿中甲状腺激素的参考值
Tomas Matejek1, Bara Zapletalova1, Jaroslav Stranik2
1Department of Paediatrics, Charles University in Prague, Faculty of Medicine Hradec Kralove, University Hospital Hradec Kralove, Hradec Kralove, Czech Republic.
这项研究确定了非常低出生体重婴儿的正常副甲状腺激素 (PTH) 水平,发现范围为0.9-11.9 pmol/l. 在这些脆弱的新生儿中,PTH升高可能表明甲状腺功能障碍.
科学领域:
- 新生儿科学 新生儿科学
- 儿科内分泌学 儿科内分泌学
- 生物化学 生物化学
背景情况:
- 非常低出生体重 (VLBW) 的婴儿容易发生代谢障碍.
- 副甲状腺激素 (PTH) 在和平衡中起着至关重要的作用.
- 确定PTH的参考范围对于诊断和管理新生儿骨代谢障碍至关重要.
研究的目的:
- 为了确定血清副甲状腺激素 (PTH) 的参考值,在非常低出生体重的婴儿中,没有显著的新生儿并发症.
- 调查PTH水平与骨代谢标志物之间的关联,包括25-氧维生素-D (25(OH) D).
主要方法:
- 在92名VLBW婴儿中测量了血清PTH,25(OH) D,,和酸酶.
- 还分析了尿液中的,和肌素.
- 测量是在第14天进行的,每两周一次,直到出院.
主要成果:
- 在没有25(OH) D缺乏的VLBW婴儿中,估计的生理PTH范围为0.9-11.9 pmol/l (8.5-112.3 pg/mL).
- 在第一个月中,没有发现PTH和骨代谢标志物之间的显著相关性.
- 从第二个月开始,PTH和25(OH) D,PTH和/比率之间出现了显著的相关性.
结论:
- 已建立的0.9-11.9 pmol/l的PTH范围作为没有25(OH) D缺乏的VLBW新生儿的参考.
- 血清PTH在此范围以上的升高表明这种人群中潜在的甲状腺功能增强症.
- 这些发现有助于早产婴儿骨健康的临床管理.
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