Artificial intelligence-based quantification of retinal microvascular biomarkers from fundus photography of chronic kidney disease: a case-control study - Report - MDSpire

Artificial intelligence-based quantification of retinal microvascular biomarkers from fundus photography of chronic kidney disease: a case-control study

  • By

  • Qiumei Gu

  • Min Liu

  • Weiwei Zhang

  • Zhengju Chen

  • Xingye Wang

  • Jie Wang

  • Ziyan He

  • Fang Lu

  • May 18, 2026

  • 0 min

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Clinical Report: AI-Driven Analysis of Retinal Microvascular Indicators in CKD

Overview

This study identifies retinal microvascular parameters associated with chronic kidney disease (CKD) and evaluates their discriminatory ability using AI-based fundus image analysis. Key findings indicate that specific retinal features can serve as non-invasive indicators for early CKD detection.

Background

Chronic kidney disease (CKD) is a significant global health issue, affecting over 10% of the population and often remaining undiagnosed in early stages. The lack of accessible and non-invasive risk identification tools contributes to this challenge. Retinal microvascular changes may reflect systemic alterations associated with CKD, presenting an opportunity for early detection through non-invasive methods.

Data Highlights

ParameterOdds Ratio (OR)P-value
Lower Arteriovenous Ratio (AVR)0.6170.006
Reduced Arterial Tortuosity (aTort)0.380<0.001
Lower Arterial Vascular Density (aVD)0.6420.027
Higher Venous Vascular Density (vVD)1.910<0.001
Higher Vessel Tortuosity (VT3PD)2.0200.012

Key Findings

  • Lower AVR, reduced aTort, and lower aVD are associated with CKD.
  • Higher vVD and VT3PD indicate positive associations with CKD.
  • The final model demonstrated moderate discrimination for CKD (AUC = 0.776).
  • Exploratory analysis showed limited discrimination between early and advanced CKD (AUC = 0.748).
  • Retinal microvascular alterations may be detectable in early-stage CKD.

Clinical Implications

The findings suggest that retinal microvascular parameters can serve as non-invasive indicators for early CKD detection, potentially improving screening practices. Clinicians may consider incorporating retinal imaging into routine assessments for at-risk populations to enhance early identification of CKD.

Conclusion

AI-derived retinal microvascular parameters show promise as non-invasive indicators of early CKD. Further validation in larger populations is necessary to confirm these findings and their clinical utility.

Related Resources & Content

  1. npj Digital Medicine, 2026 -- Unsupervised 3D Mapping and Analysis of Retinal Microvasculature Using RADAR
  2. the ophthalmologist, 2026 -- When the Kidney Meets the Retina
  3. DIGITAL HEALTH, 2026 -- Artificial intelligence in chronic kidney disease: Bibliometric and visual analysis of trends and future directions
  4. KDIGO, 2024 -- KDIGO 2024 CKD Guideline
  5. American College of Cardiology, 2020 -- Dapagliflozin And Prevention of Adverse outcomes in Chronic Kidney Disease
  6. Scientific Reports, 2025 -- Prediction of advanced chronic kidney disease through retinal fundus images by deep learning
  7. Retinal Physician — Novel Methods and Diagnostic Tools in Diabetic Retinopathy Novel Methods and Diagnostic Tools in Diabetic Retinopathy Recommendations
  8. https://kdigo.org/wp-content/uploads/2024/03/KDIGO-2024-CKD-Guideline.pdf
  9. Dapagliflozin And Prevention of Adverse outcomes in Chronic Kidney Disease - American College of Cardiology
  10. Prediction of advanced chronic kidney disease through retinal fundus images by deep learning | Scientific Reports

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