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  • Title: [Is hypertension related to the number of nephrons?].
    Author: Beaufils M.
    Journal: Arch Mal Coeur Vaiss; 2006; 99(7-8):693-6. PubMed ID: 17061446.
    Abstract:
    The kidney has a key role in blood pressure control, and an abnormal regulation of sodium balance is involved in essential hypertension. It has been suggested that a reduced nephron number at birth could be one possible mechanism. Indeed various strains of hypertensive animals exhibit a reduced nephron number. In human beings, two autopsy studies have clearly shown a lower (about 50%) nephron number in hypertensive subjects. The glomeruli are also enlarged, indicating hyperfiltration. This could be the cause of both high blood pressure and later nephrosclerosis. A low number of nephrons is part of the perinatal programming which occurs together with fetal growth retardation, and this has been reproduced experimentally. There is a negative correlation between birth weight and glomerular number. Such a situation is associated with a largely increased risk of cardiovascular complications in adulthood.
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