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West Ashley Library
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Phone: (843) 766-6635
Wando Mount Pleasant Library
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Village Library
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St. Paul's/Hollywood Library
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Phone: (843) 889-3300
Otranto Road Library
9 a.m. - 5 p.m.
Phone: (843) 572-4094
Mt. Pleasant Library
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McClellanville Library
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Keith Summey North Charleston Library
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John's Island Library
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Phone: (843) 559-1945
Hurd/St. Andrews Library
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Folly Beach Library
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*open the 2nd and 4th Saturday
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Dorchester Road Library
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John L. Dart Library
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Baxter-Patrick James Island
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Associations between retinal microvascular flow, geometry, and progression of diabetic retinopathy in type 2 diabetes: a 2-year longitudinal study.
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- Author(s): Wu, Yi; He, Mingguang; Huang, Wenyong; Wang, Wei
- Source:
Acta Diabetologica; Feb2024, Vol. 61 Issue 2, p195-204, 10p- Subject Terms:
- Source:
- Additional Information
- Abstract: Purpose: To determine the association between retinal blood vessel flow and geometric parameters and the risk of diabetic retinopathy (DR) progression through a 2-year prospective cohort study. Methods: Patients with type 2 diabetes mellitus (T2DM) were recruited from a diabetic registry between November 2017 and March 2019. All participants underwent standardized examinations at the baseline and 2-year follow-up visit, and the presence and severity of DR were assessed based on standard seven-field color fundus photographs. They also underwent swept-source optical coherence tomography angiography (OCTA) imaging to obtain measurements of foveal avascular zone area, blood vessel density (VD), fractal dimension (FD), blood vessel tortuosity (BVT) in the superficial capillary plexus (SCP) and deep capillary plexus (DCP). Results: A total of 233 eyes of 125 patients were included, and 40 eyes (17.17%) experienced DR progression within 2 years. DR progression was significantly associated with lower baseline VD (odds ratio [OR] 2.323 per SD decrease; 95% confidence interval [CI] 1.456–3.708; P < 0.001), lower FD (OR, 2.484 per SD decrease; 95% CI 1.268–4.867; P = 0.008), and higher BVT (OR, 2.076 per SD increase; 95% CI 1.382–3.121; P < 0.001) of the DCP after adjusting for confounding factors. The addition of OCTA metrics improved the predictive ability of the original model for DR progression (area under the curve [AUC] from 0.725 to 0.805; P = 0.022). Conclusions: OCTA-derived VD, FD and BVT in the DCP were independent predictors of DR progression and showed additive value when added to established risk models predicting DR progression. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Acta Diabetologica is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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