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[State of the microcirculation in hypertension according to conjunctival biomicroscopy data]
Insights
Hypertension significantly alters conjunctival microcirculation, with changes worsening as the disease progresses. These microcirculatory disorders are persistent, even in patients with varying stages of high blood pressure.
Area of Science:
- Ophthalmology
- Cardiovascular Science
- Medical Research
Background:
- Microcirculation plays a crucial role in tissue oxygenation and waste removal.
- Hypertension is a major risk factor for cardiovascular diseases and can affect small blood vessels.
- Conjunctival biomicroscopy offers a non-invasive window into the health of the microcirculatory bed.
Purpose of the Study:
- To investigate microcirculatory bed changes in the conjunctiva of individuals with hypertension.
- To assess the correlation between hypertension severity and the extent of microcirculatory abnormalities.
- To determine the stability and progression of these vascular changes over time.
Main Methods:
- Conjunctival biomicroscopy was employed to examine the microcirculation.
- The study included 276 healthy subjects and 174 patients with varying stages of hypertension.
- A subset of 80 hypertensive patients underwent dynamic monitoring.
Main Results:
- Abnormalities in the conjunctival microcirculatory bed were occasionally observed in healthy individuals, increasing with age.
- Patients with hypertension exhibited significant alterations in terminal blood flow, exceeding age-related norms.
- These microcirculatory changes demonstrated a progressive pattern with increasing hypertension severity and were found to be relatively stable.
Conclusions:
- Hypertension is associated with significant and progressive microcirculatory dysfunction in the conjunctiva.
- Conjunctival microcirculation serves as a potential indicator for assessing the impact of hypertension.
- The persistent nature of these disorders highlights the long-term vascular damage caused by high blood pressure.
Abstract:
Microcirculation was studied by the method of conjunctival biomicroscopy in 276 practically healthy subjects and in 174 patients with various stages of hypertension. In 80 of these patients with hypertension the study was conducted in dynamics. Among healthy subjects abnormalities in the conjunctival microcirculatory bed were occasionally encountered, the possibility of their detection grew with the age of the person examine. Marked changes in the terminal blood flow, considerably exceeding the age norm, were revealed in patients with hypertension; these changes progressed with the growth in the severity of the disease. Microcirculatory disorders in patients with hypertension are rather stable in character.