与特纳综合征骨矿物质密度低相关的因素:一个多中心前性观察性研究
Kento Ikegawa1,2, Eri Koga3, Tomoyo Itonaga4
1Division of Endocrinology and Metabolism, Tokyo Metropolitan Children's Medical Center, Fuchu 183-8561, Japan.
Endocrine journal
|March 24, 2024
概括
特纳综合征 (TS) 患者的骨矿物质密度 (BMD) 低,骨折风险增加. 雌激素缺乏,而不是饮食或运动,是TS患者 BMD 降低的主要原因.
科学领域:
- 内分泌学 在内分泌学.
- 骨的新陈代谢 骨的新陈代谢
- 遗传学 是一个遗传学.
背景情况:
- 特纳综合征 (TS) 与由于骨矿物质密度 (BMD) 降低而导致骨折风险增加有关.
- 虽然低性对 BMD 的影响是公认的,但 TS 其他有助于 TS 的因素仍未得到充分研究.
- 了解这些因素对于管理TS患者的骨健康至关重要.
研究的目的:
- 研究饮食,运动和骨代谢标志物对特纳综合征患者 BMD 降低的影响.
- 在多样化的TS队列中确定导致骨矿物质密度低的关键因素.
主要方法:
- 一项前性,观察性,多中心研究,涉及48名TS患者 (5-49岁).
- 患者被分为青春期前,周期性月经和激素替代疗法 (HRT) 组.
- 骨矿物质表面密度 (BMAD) Z-分数与饮食摄入量,运动水平和血清骨代谢标志物一起被分析.
主要成果:
- 在青春期前的TS患者表现出比青春期后的患者更高的BMAD Z-分数 (-0.3 SD对比-1.8 SD; p=0.014).
- 在青春期后的小组中,周期性月经的人比HRT的人有更高的BMAD Z-分数 (-0.2 SD vs. -2.3 SD; p=0.016).
- 在BMAD Z-score与饮食,维生素D充足度或运动 (步骤充足度) 之间没有发现显著的相关性;然而,与血清硬质素 (青春期前) 和FSH (青春期后) 观察到负相关性.
结论:
- 雌激素缺乏是特纳综合征中低BMD的主要驱动因素.
- 饮食和运动习惯似乎不是在TS中脊椎BMADZ分数的重要决定因素.
- 需要进一步研究TS患者对骨代谢的荷尔蒙影响.
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