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Comparison between generalized retinal arteriolar narrowing and left ventricular mass in young untreated hypertensive
Andrea Grosso1, Franco Rabbia, Antonio Fea
1Department of Physiopathology, Section of Ophthalmology University of Turin, Italy. 78andrea1@tin.it
Insights
This study found no significant link between retinal arteriolar narrowing and left ventricular hypertrophy in hypertensive patients. Further research is needed to understand early microvascular changes and hypertensive organ damage.
Area of Science:
- Cardiology
- Ophthalmology
- Hypertension Research
Background:
- Hypertension can lead to organ damage, including cardiac and microvascular changes.
- Retinal microvascular changes may serve as an indicator of systemic vascular health.
- Left ventricular hypertrophy is a common consequence of sustained hypertension.
Purpose of the Study:
- To investigate the association between retinal arteriolar narrowing and left ventricular hypertrophy in patients with hypertension.
- To determine if arteriole-to-venule ratio (AVR) correlates with left ventricular mass in hypertensive individuals.
Main Methods:
- Thirty hypertensive patients were assessed for generalized retinal arteriolar narrowing using computer-scanned retinal photographs (AVR).
- Left ventricular hypertrophy was evaluated using quantitative M-mode echocardiography.
- Patients were stratified according to 2003 European Society of Hypertension guidelines.
Main Results:
- Left ventricular hypertrophy was identified in 33% of the patients.
- No statistically significant correlation was found between the arteriole-to-venule ratio (AVR) and left ventricular mass (Spearman r = 0.22; p = 0.23).
- Retinal vessel diameters did not significantly differ between hypertension grades 1 and 2.
Conclusions:
- The study did not establish a correlation between retinal arteriolar narrowing (AVR) and left ventricular mass in this hypertensive cohort.
- Further clinical studies are necessary to explore the relationship between early microvascular alterations and other indicators of hypertensive organ damage.
Purpose:
This study aims to examine the relationship between retinal arteriolar narrowing and left ventricular hypertrophy in hypertensive patients.
Methods:
A total of 30 patients with a recent history of hypertension (22 M, 8 F; 33 +/- 8; BMI 24,96 +/- 2.8;), consecutively referred to the Hypertension Unit by their family doctors, were studied. Generalized retinal arteriolar narrowing was measured by two ophthalmologists from computer-scanned images on retinal photographs, and summarized as arteriole-to-venule ratio (AVR). Left ventricular hypertrophy was evaluated by quantitative M-mode echocardiography.
Results:
All patients were stratified according to the 2003 European Society of Hypertension (ESH) guidelines: 20 subjects (66.7%) were affected by hypertension grade 1, and 10 (33.3%) were affected by hypertension grade 2. Retinal vessel diameters did not differ significantly by grade 1 vs grade 2 hypertension. Echocardiographic left ventricular hypertrophy was present in 10 (33%) patients. No significant correlation was shown between arteriole-to-venule ratio (AVR) and left ventricular mass. [Spearman r = 0.22; p = 0.23].
Conclusions:
We suggest some explanations for the fact that we did not find any correlation between AVR and left ventricular mass. Further clinical studies are required for a greater understanding as to whether early microvascular changes relate with other clinical indicators of hypertensive organ damage.
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