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Arq Bras Endocrinol Metabol. 2005 Dec;49(6):882-90. Epub 2006 Mar 16.

[Blood pressure homeostasis and microvascular complications in diabetic patients].

[Article in Portuguese]

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  • 1Serviço de Endocrinologia, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, RS.


The retinopathy and nephropathy are among the most prevalent and disabling complications associated to microvascular damage in diabetes mellitus. The severity of hyperglycaemia and the presence of arterial systemic hypertension are among the main risk factors for these complications. The ambulatory blood pressure provided a better understanding of patterns of blood pressure in diabetic patients. There is a growing number of evidence relating diabetic patients with abnormal 24 h blood pressure patterns. Even subtle modifications of these patterns, frequently shown by patients diagnosed as normotensives in office blood pressure measurings, may be implicated in an increased risk of microvascular complications. Hyperglycaemia and these abnormal pressure patterns appear to have a synergistic effect on promoting and aggravating diabetic retinopathy. Impairment of the normal retinal autoregulation is one of the implicated physiopathological mechanisms. Probably, ABP may be useful in predicting an increased risk of microvascular complications on diabetic normotensive patients. The objective of this paper is to provide an updated and clinically oriented review in blood pressure homeostasis and diabetes mellitus.

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