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04:36
An Assay to Detect Protection of the Retinal Vasculature from Diabetes-Related Death in Mice
Published on: January 12, 2024
Adverse association between diabetic retinopathy and cardiac structure and function.
David Aguilar1, D Michael Hallman, Linda B Piller
1Winters Center for Heart Failure Research and Section of Cardiology, Baylor College of Medicine, Houston, TX 77030, USA. daguilar@bcm.edu
American Heart Journal
|March 3, 2009
Summary
Diabetic retinopathy severity is linked to poorer heart health in type 2 diabetes patients. More severe retinopathy correlates with increased left ventricular mass and decreased heart function, suggesting microvascular links.
Area of Science:
- Cardiology
- Ophthalmology
- Endocrinology
Background:
- Diabetic retinopathy is a microvascular complication of diabetes.
- A link exists between retinopathy and heart failure, especially in diabetic individuals.
Purpose of the Study:
- To assess the relationship between retinopathy and cardiac structure/function.
- Investigate cardiac changes in individuals with type 2 diabetes mellitus.
Main Methods:
- 531 Mexican American adults with type 2 diabetes underwent fundus photography.
- Retinopathy was scored; cardiac structure/function assessed via echocardiography.
- Multilevel mixed models analyzed associations, accounting for sibling correlations.
Main Results:
- Severe diabetic retinopathy associated with hypertension, cardiovascular disease, longer diabetes duration, elevated HbA1c, and albuminuria.
- Worsening retinopathy linked to increased left ventricular mass and left atrial dimension.
- Worsening retinopathy correlated with decreased left ventricular ejection fraction and fractional shortening.
Conclusions:
- More severe diabetic retinopathy is independently associated with worse cardiac structure and function.
- Suggests a potential microvascular contribution to diabetes-associated cardiac dysfunction.
- Common underlying pathways may contribute to both retinopathy and cardiac issues.
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