Quantification of vascular morphology in optical coherence tomography angiography in primary open angle glaucoma
Quantification of vascular morphology in optical coherence tomography angiography in primary open angle glaucoma
- 眼科实践与研究新进展 2023年3卷第3期 页码：119-125
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1. ,TX,Dallas,USA
2. ,TX,Dallas,USA
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DOI：10.1016/j.aopr.2023.05.002
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Quantification of vascular morphology in optical coherence tomography angiography in primary open angle glaucoma[J]. 眼科实践与研究新进展, 2023,3(3):119-125.
Praneeth Kalva, Rubeel Akram, Priya Mekala, et al. Quantification of vascular morphology in optical coherence tomography angiography in primary open angle glaucoma[J]. AOPR, 2023,3(3):119-125.
Quantification of vascular morphology in optical coherence tomography angiography in primary open angle glaucoma[J]. 眼科实践与研究新进展, 2023,3(3):119-125. DOI： 10.1016/j.aopr.2023.05.002.
Praneeth Kalva, Rubeel Akram, Priya Mekala, et al. Quantification of vascular morphology in optical coherence tomography angiography in primary open angle glaucoma[J]. AOPR, 2023,3(3):119-125. DOI： 10.1016/j.aopr.2023.05.002.
摘要
Purpose,To quantitatively measure and compare the vascular morphology in healthy eyes and eyes with primary open-angle glaucoma (POAG) using optical coherence tomography angiography (OCTA) scans.,Methods,This is a retrospective and cross-sectional study which include healthy individuals and individuals with POAG that underwent OCTA imaging at an academic center's glaucoma clinic. We analyzed OCTA scans of the macula and optic nerve head (ONH) of one eye from each subject to quantitatively measure vessel density (VD), vessel length density (VLD), and branchpoint density (BPD). We compared these 3 parameters between the healthy and POAG groups and used logistic regression classification models to determine their diagnostic value in differentiating healthy and glaucomatous eyes.,Results,We included 49 healthy subjects and 49 subjects with POAG. After age-adjusted analysis, the parameters of VD, VLD, and BPD were significantly reduced in eyes with POAG (,P, ,<, 0.001) in all scan layers and most significantly around the ONH. The parameter with the best performances were radial peripapillary capillary (RPC) VD [AUC (areas under the curve): 0.939 (0.891, 0.987)] which had statistically higher performances (,P, ,<, 0.05) than parameters in the superficial or deep layers. All 3 parameters in the RPC layer had statistically similar performances.,Conclusions,We found that VD, VLD, and BPD were reduced in glaucomatous eyes. The morphologic parameters of VLD and BPD had similar performances to the traditional parameter of VD in RPC layers. Our results suggest that vascular morphology parameters may provide additional value in the diagnosis and evaluation of glaucoma.
Abstract
Purpose,To quantitatively measure and compare the vascular morphology in healthy eyes and eyes with primary open-angle glaucoma (POAG) using optical coherence tomography angiography (OCTA) scans.,Methods,This is a retrospective and cross-sectional study which include healthy individuals and individuals with POAG that underwent OCTA imaging at an academic center's glaucoma clinic. We analyzed OCTA scans of the macula and optic nerve head (ONH) of one eye from each subject to quantitatively measure vessel density (VD), vessel length density (VLD), and branchpoint density (BPD). We compared these 3 parameters between the healthy and POAG groups and used logistic regression classification models to determine their diagnostic value in differentiating healthy and glaucomatous eyes.,Results,We included 49 healthy subjects and 49 subjects with POAG. After age-adjusted analysis, the parameters of VD, VLD, and BPD were significantly reduced in eyes with POAG (,P, ,<, 0.001) in all scan layers and most significantly around the ONH. The parameter with the best performances were radial peripapillary capillary (RPC) VD [AUC (areas under the curve): 0.939 (0.891, 0.987)] which had statistically higher performances (,P, ,<, 0.05) than parameters in the superficial or deep layers. All 3 parameters in the RPC layer had statistically similar performances.,Conclusions,We found that VD, VLD, and BPD were reduced in glaucomatous eyes. The morphologic parameters of VLD and BPD had similar performances to the traditional parameter of VD in RPC layers. Our results suggest that vascular morphology parameters may provide additional value in the diagnosis and evaluation of glaucoma.
关键词
Keywords
Optical coherence tomography angiographyGlaucomaVessel density
references
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