ArticleAmerican journal of ophthalmology2021
Geometric Perfusion Deficits: A Novel OCT Angiography Biomarker for Diabetic Retinopathy Based on Oxygen Diffusion.
Article in American journal of ophthalmology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed, 42 citations in OpenAlex.
- Baseline Deep Capillary Plexus Ischemia Predicts Earlier Diabetic Retinopathy Complications Than Foveal Avascular Enlargement.American journal of ophthalmology · 2026Article
- Validation of Deep Capillary Plexus OCTA Metrics as Predictors of Diabetic Retinopathy Complications: A One-Year Longitudinal Study.Research square · 2026Article
- Opposing end-node and junction-node remodeling patterns in diabetic patients on optical coherence tomography angiography.Scientific reports · 2026Article
- Macular, Peripapillary, and Midperipheral Nonperfusion in Diabetic Subjects: A Wide-Field OCTA Quantification.Translational vision science & technology · 2026Article
- Multiparametric OCTA Biomarkers for Classifying Mild Diabetic Retinopathy: A Cross-Sectional Evaluation.Translational vision science & technology · 2026Article
- Baseline Nonperfusion and Deep Capillary Plexus Ischemia Predict Two-Year Retinal Nonperfusion Progression in Diabetic Retinopathy.Investigative ophthalmology & visual science · 2026Observational
- Quantifying Capillary Pericytes In Vivo Links Them to Retinal Vascular Leakage and Potentially Albuminuria: A Pilot Study in Diabetes.Arteriosclerosis, thrombosis, and vascular biology · 2025Article
- Macular Microaneurysms Are Associated With Chronic Kidney Disease and Deep Capillary Plexus Ischemia in Referable Diabetic Retinopathy.Investigative ophthalmology & visual science · 2025Article
- Macular Deep Capillary Plexus Ischemia as a Biomarker for Identifying Referable Diabetic Retinopathy.Investigative ophthalmology & visual science · 2025Article
- Understanding How Low Luminance Visual Deficit Progresses With Advancing Diabetic Macular Ischemia and Diabetic Retinopathy.Investigative ophthalmology & visual science · 2025Article
- The Importance of Matching Optical Coherence Tomography Angiography Metrics to Diabetic Retinopathy Severity for Detecting Progression.Investigative ophthalmology & visual science · 2025Observational
- The Impact of Hypertension on Macular Perfusion in Patients With Referable Diabetic Retinopathy: An OCTA Analysis.Translational vision science & technology · 2025Article
- Superficial Retinal Intercapillary Oxygen Diffusion and Perfusion Deficit Alterations in Patients With Coronary Artery Disease.Investigative ophthalmology & visual science · 2025Article
- Retinal Mid-Peripheral Capillary Free Zones Are Enlarged in Diabetic Patients With No Evidence of Clinical Retinopathy.Translational vision science & technology · 2025Article
- Posterior Retinal Ischemia Correlates With Vision in Patients With Diabetes.Investigative ophthalmology & visual science · 2025Observational
- Volumetric Measures of Capillary Nonperfusion on Optical Coherence Tomography Angiography Detect Early Ischemia in Diabetes Without Retinopathy.Investigative ophthalmology & visual science · 2025Article
- Advances in OCT Angiography.Translational vision science & technology · 2025Review
- Early Diabetic Retinopathy Evaluation With OCTA: A Study on Vascular Branching and Fragmentation.Investigative ophthalmology & visual science · 2024Article
- Macula vs periphery in diabetic retinopathy: OCT-angiography and ultrawide field fluorescein angiography imaging of retinal non perfusion.Eye (London, England) · 2024Article
- Glaucoma detection using non-perfused areas in OCTA.Scientific reports · 2024Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
purposeTo develop geometric perfusion deficits (GPD), an optical coherence tomography angiography (OCTA) biomarker based on oxygen diffusion, and to evaluate its utility in a pilot study of healthy subjects and patients with diabetic retinopathy (DR).
designRetrospective cross-sectional study.
methodsCommercial spectral-domain optical coherence tomography angiography (OCTA) instruments were used to acquire repeated 3 × 3-mm
resultsRepeated OCTA scans of 15 normal eyes and 12 DR eyes were obtained. For all en face projections, GPD percentages were significantly higher in DR eyes than in normal eyes; vessel density percentages were significantly lower in all but 1 projection (DCP). Large GPD areas were used to identify focal perfusion deficits. Test-retest analysis showed that the GPD percentage had superior repeatability than the vessel density percentage in most cases. A strong negative correlation between the GPD percentage and the vessel density percentage was also found.
conclusionsGeometric perfusion deficits, an OCTA biomarker based on oxygen diffusion, provides a quantitative metric of macular microvascular remodeling with a strong physiological underpinning. The GPD percentage may serve as a useful biomarker for detecting and monitoring DR.
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