1. Articles from Yan Tan

    1-3 of 3
    1. Macular vessel density in diabetes and diabetic retinopathy with swept-source optical coherence tomography angiography

      Macular vessel density in diabetes and diabetic retinopathy with swept-source optical coherence tomography angiography

      Purpose Previous studies on the association between macular vessel density (VD) and diabetic retinopathy had conflicting conclusions. This study assessed the alterations of macular VD, as well as other factors, in diabetic patients using swept-source optical coherence tomography angiography (SS-OCTA) in a large-scale sample from Chinese communities. Methods Patients with type 2 diabetes without history of ocular treatment were recruited from 2017 to 2018. The average and quadrant parafoveal vessel density (PVD) were obtained with a commercial SS-OCTA device (Triton, Topcon, Japan). The univariate and multivariate linear regression was used to analyse the correlation of PVD with diabetic retinopathy (DR ...

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    2. Relationship Between Renal Function and Choroidal Thickness in Type 2 Diabetic Patients Detected by Swept-Source Optical Coherence Tomography

      Relationship Between Renal Function and Choroidal Thickness in Type 2 Diabetic Patients Detected by Swept-Source Optical Coherence Tomography

      Purpose : To investigate the relationship between renal function and choroidal thickness (CT) in ocular treatment-naïve patients with diabetes mellitus using swept-source optical coherence tomography (SS-OCT). Methods : This cross-sectional study recruited type 2 diabetes mellitus (T2DM) patients with no history of ocular treatment from communities in Guangzhou, China. The estimated glomerular filtration rates (eGFR) were calculated by using the Xiangya formula. The impaired renal function was defined as eGFR < 60 mL/(min 1.73 m 2 ). The choroid was imaged by using an SS-OCT, and the macular CT was quantified automatically in Early Treatment Diabetic Retinopathy Study maps, and only ...

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    3. Macular vessel density in diabetes and diabetic retinopathy with swept-source optical coherence tomography angiography

      Macular vessel density in diabetes and diabetic retinopathy with swept-source optical coherence tomography angiography

      Purpose: Previous studies on the association between macular vessel density (VD) and diabetic retinopathy had conflicting conclusions. This study assessed the alterations of macular VD, as well as other factors, in diabetic patients using swept-source optical coherence tomography angiography (SS-OCTA) in a large-scale sample from Chinese communities. Methods: Patients with type 2 diabetes without history of ocular treatment were recruited from 2017 to 2018. The average and quadrant parafoveal vessel density (PVD) were obtained with a commercial SS-OCTA device (Triton, Topcan, Japan). Univariate and multivariate linear regression was used to analyse the correlation of PVD with diabetic retinopathy (DR), diabetic ...

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    1-3 of 3
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