自由三甲状腺素和糖尿病外周神经病变之间的关联在患有2型糖尿病的甲状腺患者中
Bing'er Xu1, Xinyu Yang1, Yu Ma2
1Department of Endocrinology, Zhongshan Hospital, Fudan University, Shanghai 200032, China.
The Journal of clinical endocrinology and metabolism
|May 27, 2025
概括
低的自由三甲氨酸 (FT3) 水平与糖尿病外周神经病变 (DPN) 的更高风险有关,这种风险在患有2型糖尿病的甲状腺功能良好的个体中更高. 这项研究表明,FT3可能是DPN发展的因果因素.
科学领域:
- 内分泌学 在内分泌学.
- 神经学 神经学
- 代谢障碍 代谢障碍 代谢障碍
背景情况:
- 糖尿病外围神经病变 (DPN) 是2型糖尿病 (T2DM) 的常见并发症.
- 甲状腺激素的作用,特别是自由三甲状腺素 (FT3) 在乙甲状腺患者中DPN的发展方面仍然不清楚.
- 了解导致DPN的因素对于T2DM有效的管理和预防策略至关重要.
研究的目的:
- 为了研究血清FT3水平和在被诊断为T2DM的类甲状腺患者中DPN的存在之间的关联.
- 为了确定FT3水平是否与DPN风险独立相关,在调整了混变量之后.
- 使用孟德尔随机化分析,探索FT3和DPN之间的潜在因果关系.
主要方法:
- 一组1422名T2DM住院患者接受了全面的电肌图检查,以诊断DPN.
- 评估了神经传导速度 (NCV),远端运动和传感器延迟 (DML/DSL),感觉神经动作潜能 (SNAP) 幅度和复合肌肉动作潜能 (CMAP) 幅度.
- 测量和分析了与DPN诊断和电生理学参数相关的血清FT3水平,并进行了多变量和门德尔随机化分析.
主要成果:
- 在36.5%的T2DM患者中诊断出DPN,这些患者的糖尿病持续时间较长,血糖控制较差,并具有较高的并发症率.
- 患有DPN的患者与没有DPN的患者相比,血清FT3水平显著降低 (4.08 ± 0.64对比4.39 ± 0.63 pmol/L,P < .001).
- 血清FT3与DPN电生理标记 (DML,DSL) 有显著的反相关性,与神经功能参数 (CMAP,SNAP,NCV) 有正相关性. 在多变量调整和门德尔随机化分析后,这种关联仍然显著,表明了因果关系.
结论:
- 低血清FT3水平代表了糖尿病外围神经病变的重要风险因素,在患有2型糖尿病的乙甲状腺患者中.
- FT3可能在DPN的发病过程中起因性作用,突出显示其作为治疗点的潜力.
- 这些发现强调了监测T2DM患者的甲状腺激素状况的重要性,以潜在地减轻DPN风险.
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