Diabetes and stroke: Part one—Risk factors and pathophysiology

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Abstract
Diabetes is a major risk factor for stroke and is associated with an increase in overall stroke mortality. The metabolic syndrome associated with insulin resistance is also a significant risk factor for stroke. The etiology of stroke in diabetics is frequently microvascular disease from fibrinoid necrosis, which causes small subcortical infarcts designated as lacunar strokes. Diabetics also have an increased incidence of large vessel intracranial vascular disease. Although strict control of blood sugar has not been shown to reduce the overall incidence of stroke in diabetics, careful management of other associated risk factors, particularly hypercholesterolemia and hypertension, are imperative for the prevention of stroke in diabetic patients.