CHARACTERISTICS OF RETINAL HEMODYNAMICS IN ELDERLY PATIENTS WITH VEGETATIVE DYSTONIA SYNDROME
Keywords:
retinal hemodynamics, elderly patients, vegetative dystonia syndrome, retinal quadrants, upper quadrant, lower quadrant, temporal quadrant, nasal quadrant, gaze fixation disorders, additional scanning, retinal microcirculation.Abstract
This study examines the characteristics of retinal hemodynamics in elderly patients diagnosed with vegetative dystonia syndrome, with particular attention to quadrant-specific changes in retinal blood flow. All participants underwent retinal scanning in the upper, lower, temporal, and nasal quadrants under conditions of central gaze fixation. In cases where gaze fixation was impaired, additional scanning procedures were performed to obtain high-quality images free from motion-related artifacts. Quantitative analysis of retinal hemodynamic parameters revealed uneven distribution of circulatory changes across different retinal quadrants. The most pronounced alterations were observed in the upper, temporal, and lower quadrants, where a decrease in hemodynamic indices reached 8.9%. In contrast, the nasal quadrant demonstrated less significant changes, with a reduction of only 2.5%. These findings suggest that vegetative dystonia syndrome in elderly patients is associated with selective impairment of retinal microcirculation, predominantly affecting specific retinal regions. Assessment of quadrant-based retinal hemodynamics may therefore serve as a useful non-invasive tool for evaluating autonomic dysfunction and vascular regulation disorders in this patient population.
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