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  • Title: [Is the kidney lesion caused by hypertension really ischemic?].
    Author: Gabbai F, Herrera Acosta J.
    Journal: Arch Inst Cardiol Mex; 1986; 56(1):81-7. PubMed ID: 2943250.
    Abstract:
    Renal damage is systemic hypertension has traditionally been related to an ischemic glomerular injury secondary to arteriosclerosis and arteriolosclerosis of preglomerular vessels. The use of micropuncture techniques with histopathologic studies have suggested non ischemic mechanisms of renal damage in systemic hypertension. Indeed in experimental models of hypertension which include DOCA-Salt, Goldblatt hypertension or genetic hypertension, the development of glomerular damage is associated with hyperfiltration secondary to increases in flow and pressure to the glomerular capillary. Hyperfiltration as a mechanism of renal damage in human systemic hypertension has not been established. Recent studies from our group have demonstrated lack of renal functional reserve in patients with systemic hypertension, reserve which is reestablished after 3 days of antihypertensive treatment. These data suggest therefore the presence of hyperfiltration as a possible mechanism of renal damage in patients with essential hypertension.
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