The clinical implications of choroidal thickness combined with tear VEGFA in coronary artery disease
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Updated: Jul 15, 2025

Retinal and Choroidal Thickness Changes in Populations with Helicobacter pylori Infection by Swept-Source Optical Coherence Tomography
Published on: November 1, 2024
Tingquan Zhou1, Ting Wan2, Xian Jin1
1Department of Cardiology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine.
Insights
Choroidal thickness and tear vascular endothelial growth factor A (VEGFA) show promise as biomarkers for coronary artery disease (CAD). Combining these markers accurately predicts CAD and its severity.
Area of Science:
- Ophthalmology
- Cardiology
- Biomarker Discovery
Background:
- Coronary artery disease (CAD) is a leading cause of mortality worldwide.
- Identifying reliable biomarkers for early detection and severity assessment of CAD is crucial.
Purpose of the Study:
- To investigate choroidal thickness and tear vascular endothelial growth factor A (VEGFA) as potential biomarkers for CAD.
- To evaluate the combined diagnostic and prognostic value of these markers in patients undergoing coronary angiography.
Main Methods:
- Retrospective observational case-control study including 637 patients.
- Measurement of choroidal thickness via optical coherence tomography angiography.
- Quantification of tear VEGFA levels.
- Analysis using ROC curves and binary logistic regression.
Main Results:
- Patients with CAD exhibited significantly thinner central foveal choroids compared to controls.
- Elevated tear VEGFA levels were observed in patients with CAD.
- Both markers showed significant correlations with the Gensini score, indicating disease severity.
- The combined analysis yielded a high area under the curve (AUC) of 0.9647 for CAD detection.
Conclusions:
- Choroidal thickness and tear VEGFA are significantly altered in patients with CAD.
- The combination of these biomarkers demonstrates high accuracy in identifying CAD and assessing its severity.
- This combined approach may offer a novel, non-invasive method for CAD evaluation.
Objective:
The purpose of this study was to evaluate the effect of choroidal thickness and tear vascular endothelial growth factor A (VEGFA) as biomarkers of coronary artery disease (CAD).
Methods:
This study was a retrospective observational case-control trial. A total of 637 patients who underwent coronary angiography to assess their coronary artery status were included. The patients were divided into two groups: 200 people in the No CAD group and 437 people in the CAD group. We evaluated the choroidal thickness of the right foveal membrane in all patients through optical coherence tomography angiography examination. We also collected tear samples from patients to measure VEGFA. The ROC curve and its area under the curve (AUC) were used for analysis.
Results:
The central foveal choroid in the No CAD group was significantly thicker than that in the CAD group (289.09 μm ± 38.41; 229.03 μm ± 33.44, P < 0.01). The tear VEGFA in the CAD group was higher than that in the No CAD group (706.15 ng/mL ± 147.42; 419.66 ng/mL ± 105.85, P < 0.01). Spearman analysis showed that the correlation between choroidal thickness and Gensini score was -0.7387 ( P < 0.01). The correlation between tear VEGFA level and Gensini score was 0.8636 ( P < 0.01). Taking choroidal thickness and tear VEGFA as independent variables, we obtained AUC = 0.9647 (95% CI 0.9506-0.9789, P < 0.01) through binary logic regression and ROC curve analysis.
Conclusion:
The combination of choroidal thickness and tear VEGFA in patients can serve as a clinical marker of CAD and its severity.
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