What question did this study set out to answer?

This research examines the link between heart rate variability and retinal vein occlusion in glaucoma patients, focusing on autonomic dysfunction.

March 8, 2026Open Access

Hemodynamic instability and retinal vein occlusion in glaucoma: Comparative analysis of heart rate variability and choroidal perfusion

Key Result

Reduced heart rate variability is associated with retinal vein occlusion in glaucoma patients, suggesting HRV as a potential vulnerability marker.

Key Points

This research examines the link between heart rate variability and retinal vein occlusion in glaucoma patients, focusing on autonomic dysfunction.
Comparison of heart rate variability and choroidal perfusion in glaucoma patients
Multivariable and univariate analyses to assess relationships
Examination of potential markers for retinal vein occlusion risk
Reduced heart rate variability is associated with retinal vein occlusion in glaucoma patients
Associations were not statistically significant in multivariable analysis
Univariate findings suggest HRV may serve as a vulnerability marker for RVO risk

Structured PICO

Is reduced heart rate variability associated with the development of retinal vein occlusion in glaucoma patients?

Population

Glaucoma patients

Intervention

Reduced heart rate variability (HRV)

Outcome

Development of retinal vein occlusion (RVO)

Reduced heart rate variability may serve as a vulnerability marker, rather than an independent predictor, for retinal vein occlusion in glaucoma patients.

Main Result

Absolute Event Rate: 0% vs 0%

Abstract

This study suggests that reduced heart rate variability, reflecting autonomic dysfunction, is associated with the development of RVO in glaucoma patients. Although these associations did not remain statistically significant in multivariable analysis, the consistent univariate findings indicate that HRV may serve as a potential vulnerability marker rather than an independent predictor. Further prospective studies are warranted to clarify the clinical utility of HRV in risk stratification for RVO in glaucoma patients.