Marchena CD

Language: Spanish
References: 15
Page: 195-198
PDF size: 297.84 Kb.

ABSTRACT

Diabetic retinopathy (DR) is the presence of microvascular lesions in the retina of a patient with Diabetes Mellitus, appearing as a chronic complication of this. The earliest pathologic findings are vascular and retinae endothelial cellular membrane thickness, that causes lipid and fluid filtration, associated to retinae ischemia. This also causes bleeding and retinal detachment.The DR progresses from a mild non-proliferative disorder characterized by an increase in vascular permeability to a non-proliferative RD, moderate to severe characterized by vascular obstruction. At advanced stages, there is the proliferative diabetic retinopathy where new retina vessels grow or on the rear surface of the vitreous. These changes may be accompany by macular edema, characterized by retinal thinning blood vessels. Pregnancy, puberty, poor metabolic glucose control, arterial hypertension and cataract surgery can accelerate these changes.

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