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Retinal microcirculation changes in prediabetic patients with shortterm increased blood glucose using optical coherence tomography angiography

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World Journal of Radiology 2024年第9期16卷 407-417页

作者： Bing-Jing Lv Hang-Jia Zuo Qi-Fu Li Fan-Fan Huang Tong Zhang Rong-Xi Huang Shi-Jie Zheng Wen-Juan Wan Ke Hu Chongqing Medical University Chongqing 400000China Department of Ophthalmology Dianjiang People’s Hospital of ChongqingChongqing 4008300ChongqingChina The First Affiliated Hospital of Chongqing Medical University Chongqing Medical UniversityChongqing 400016China Department of Endocrinology The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Department of Ophthalmology The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Chongqing People’s Hospital Chongqing 400000China

BACKGROUND Retinal microcirculation alterations are early indicators of diabetic microvascular *** coherence tomography angiography(OCTA)is a noninvasive method to assess these *** study analyzes changes in retinal microcirculation in prediabetic patients during short-term increases in blood glucose using *** To investigate the changes in retinal microcirculation in prediabetic patients experiencing short-term increases in blood glucose levels using *** Fifty volunteers were divided into three groups:Group 1[impaired fasting glucose(IFG)or impaired glucose tolerance(IGT)],Group 2(both IFG and IGT),and a control *** microcirculation parameters,including vessel density(VD),perfusion density(PD),and foveal avascular zone(FAZ)metrics,were measured using *** between these parameters and blood glucose levels were analyzed in both the fasting and postprandial *** One hour after glucose intake,the central VD(P=0.023),central PD(P=0.026),and parafoveal PD(P0.05).Compared with the control group,Group 1 had a larger FAZ area(P=0.032)and perimeter(P=0.018),whereas Group 2 had no significant differences in retinal microcirculation parameters compared with the control group(P>0.05).Compared with Group 1,Group 2 had greater central VD(P=0.013)and PD(P=0.008)and a smaller FAZ area(P=0.012)and perimeter(P=0.010).One hour after glucose intake,Group 1 had a larger FAZ area(P=0.044)and perimeter(P=0.038)than did the control group,whereas Group 2 showed no significant differences in retinal microcirculation parameters compared with the control group(P>0.05).Group 2 had greater central VD(P=0.042)and

关键词： Prediabetes Blood glucose Optical coherence tomography angiography Retinal microcirculation central vessel density Impaired fasting glucose Impaired glucose tolerance

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