2型糖尿病患者没有视网膜病变的长度神经和微血管变化:为期2年的前性队列研究
Yiran Fan1, Lingyi Li1, Xinyan Wu1
1State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou, China.
没有视网膜病变的2型糖尿病患者表现出比对照组更快的质细胞损失,这表明神经退行先于微血管变化. 即使没有视网膜病变,监测状细胞内层厚度 (GCIPLT) 也至关重要.
科学领域:
- 眼科医生 眼科 眼科
- 内分泌学 在内分泌学.
- 神经科学是一个神经科学.
背景情况:
- 2型糖尿病 (T2DM) 是一种全身性疾病,具有显著的眼部并发症.
- 糖尿病视网膜病变 (DR) 是T2DM患者视力损失的主要原因.
- 在T2DM中早期发现视网膜变化对于及时干预至关重要.
研究的目的:
- 为了比较2年的长度变化,黄斑质细胞内状层厚度 (GCIPLT) 和表面毛细血管 (SCP) 血管密度.
- 为了评估没有视网膜病变 (非DR) 的T2DM患者与健康对照组之间的这些变化.
主要方法:
- 一项前性观察队列研究,涉及没有视网膜病变的T2DM患者和年龄/性别匹配的健康对照.
- 黄斑GCIPLT,视网膜厚度 (RT) 和SCP血管密度在基线和2年随访时被测量.
- 线性混合效应模型被用来比较群体之间的纵向变化.
主要成果:
- 显著的GCIPLT减少发生在非DR组 (-0.229微米/年),大约是对照组的5倍.
- 与对照组相比,经过纵向调整后的治疗率显示,非治疗患者的RT和GCIPLT下降速度加快.
- 两组之间没有观察到纵向SCP血管密度变化的显著差异.
结论:
- 通过GCIPLT稀释表明的神经退行性变化,在没有视网膜病变的T2DM患者中可能会先发生微血管变化.
- 监测GCIPLT对于长期的糖尿病管理至关重要,即使没有临床视网膜病变.
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