The Close Interrelationship between Increased Vascular Retinal Permeability and Blood Pressure Level. Evidence from Retinal Fluoroangiography

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Abstract
A long-term study was done by iterative fluoroangiography on microvascular retinal permeability vs. the blood pressure control carried out in 11 patients with a diastolic blood pressure of .gtoreq. 130 mm Hg and with retinal exudates, hemorrhages and edema. No matter what the original disease was (i.e., essential, renovascular, endocrine hypertension or chronic nephropathy with terminal renal failure) the increased permeability appeared to be critically connected with the blood pressure level. These results confirm that hypertension per se might be the cause of vascular permeability changes.