Effect of RAS inhibitors on retinal microvasculature in DKD using AI-based ultra-wide-field images - Scorecard - MDSpire

Effect of RAS inhibitors on retinal microvasculature in DKD using AI-based ultra-wide-field images

  • By

  • Yan Liu

  • Xinyu Zhao

  • Haiyun Wang

  • Jie Ma

  • Peng Xia

  • Xingwang Gu

  • Youxin Chen

  • Limeng Chen

  • June 26, 2026

  • 0 min

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Clinical Scorecard: Impact of RAS Inhibitors on Retinal Microvascular Health in Diabetic Kidney Disease Assessed Through AI-Enhanced Ultra-Wide-Field Imaging

At a Glance

CategoryDetail
ConditionDiabetic Kidney Disease (DKD)
Key MechanismsRenin-angiotensin system inhibitors (RASi) impact retinal microvascular parameters.
Target PopulationAdults aged 18–75 years with clinical diagnosis of DKD.
Care SettingProspective cohort study using AI-enhanced ultra-wide-field imaging.

Key Highlights

  • Significant decreases in venous fractal dimension (Df) and tortuosity (TORT) after 12 weeks of RASi treatment.
  • 77.8% of participants were male, with a mean age of 55.7 years.
  • 55.6% of participants had diabetic retinopathy (DR).
  • Study utilized AI-based analysis for retinal microvascular assessment.
  • Correlation between retinal changes and renal clinical indicators was explored.

Guideline-Based Recommendations

Diagnosis

  • Clinical diagnosis of diabetic kidney disease (DKD) based on eGFR and urinary albumin-to-creatinine ratio.

Management

  • Initiation of RASi therapy in patients with DKD to reduce urinary protein excretion.

Monitoring & Follow-up

  • Assessment of retinal microvascular parameters using ultra-wide-field imaging.

Risks

  • Exclusion of patients with a history of hyperkalemia or other significant comorbidities.

Patient & Prescribing Data

27 patients with DKD enrolled in the study.

Patients had not received RASi for at least 4 weeks prior to enrollment.

Clinical Best Practices

  • Utilize AI-enhanced imaging for detailed assessment of retinal microvascular health.
  • Monitor renal indicators alongside retinal changes in patients receiving RASi.

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