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在糖尿病视网膜病变中对皮下灰质核体积和形态变化的初步研究
Yaqi Song1,2, Meng Zhu2, Weiqi Ji1,2
1Taizhou School of Clinical Medicine, Nanjing Medical University, Taizhou, China.
Quantitative imaging in medicine and surgery
|December 10, 2025
概括
糖尿病视网膜病变 (DR) 患者表现出显著的皮下灰质变化,包括乳头缩和尾状核变化. 这些神经成像发现将DR与中枢神经系统并发症和潜在的认知衰退联系起来.
科学领域:
- 神经成像是一种神经成像.
- 神经科学是一个神经科学.
- 眼科医生 眼科 眼科
背景情况:
- 糖尿病视网膜病变 (DR) 是一种导致神经退行症的糖尿病并发症.
- 在DR中,视网膜和脑血管问题与认知障碍有关.
- 这项研究调查了DR患者皮下灰质变化.
研究的目的:
- 分析糖尿病视网膜病变患者皮下灰质体积和形态变化.
- 为DR中中枢神经系统并发症提供神经影像证据.
- 探索大脑结构变化和临床指标之间的相关性.
主要方法:
- 32名DR患者和38名对照人接受了T1加权的3D-MRI扫描.
- 皮下灰色物质核使用Freesurfer进行了细分.
- 进行了基于顶点的形状分析和统计比较 (TFCE校正的P<0.05).
主要成果:
- 在DR患者中表现出左乳头体积缩 (P<0.05).
- 尾状核形态显示了DR患者的向内收缩和向外扩张.
- 泰拉姆缩在后端中部和泰拉姆后部区域被观察到;发生腹腔膨胀.
- thalamic体积与疾病持续时间有负相关性;thalamic和尾状核变形与认知和抑郁症得分相关.
结论:
- 糖尿病视网膜病变患者表现出皮下灰质中的异常体积和形态变化.
- 这些大脑结构的改变提供了对DR中枢神经系统影响的成像证据.
- 研究结果支持有针对性的干预措施,以减轻DR患者的认知衰退.
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