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Association between retinal microcirculation and aortic stiffness in hypertensive patients
Vasiliki Katsi1, Charalambos Vlachopoulos, Georgios Souretis
1Cardiology Department, Hippokration Hospital, Athens, Greece. vkkatsi@yahoo.gr
International Journal of Cardiology
|January 25, 2011
Summary
Hypertension can cause retinal changes and aortic stiffening. This study found that as retinal alterations worsen in hypertensive patients, their aortic stiffness also increases, highlighting a link between eye and vascular health.
Area of Science:
- Cardiology
- Ophthalmology
- Vascular Biology
Background:
- Fundoscopic examination is an underutilized method for detecting hypertension-related target organ damage.
- Retinal alterations are a known indicator of cardiovascular risk.
- Aortic stiffness is an independent predictor of cardiovascular morbidity and mortality.
Purpose of the Study:
- To investigate the relationship between retinal alterations and aortic stiffness in hypertensive patients.
- To determine if fundoscopic findings correlate with measures of aortic stiffness.
Main Methods:
- 197 essential hypertensive patients without cardiovascular disease were included.
- Fundoscopy was performed and patients were graded using Scheie's scale.
- Aortic stiffness was measured using carotid-femoral pulse wave velocity.
Main Results:
- No significant differences in age, gender, or metabolic profile were found across Scheie's grades (0-3).
- Higher Scheie's grades correlated with increased pulse wave velocity, indicating greater aortic stiffness (p=0.001).
- Multivariable analysis identified age, fundus classification, and systolic blood pressure as independent determinants of pulse wave velocity.
Conclusions:
- Hypertensive individuals show progressive aortic stiffening that parallels the progression of retinal changes.
- Further research is necessary to elucidate the underlying pathophysiological mechanisms and potential causal links.
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