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Vascular Damage in Impaired Glucose Tolerance: An Unappreciated Phenomenon?

[ Vol. 15 , Issue. 29 ]


Shahirose Jessani, Teri Millane and Gregory Y.H. Lip   Pages 3417 - 3432 ( 16 )


Impaired glucose tolerance (IGT) is an independent risk predictor for cardiovascular morbidity and mortality, as well as for total mortality, independent of the subsequent development of overt diabetes mellitus. Increased rates of major adverse cardiac event and shorter survival in subjects with IGT who are post acute myocardial infarction have also been observed. The aim of this review article is to provide an overview of the pathophysiological basis of IGT and the actual mechanism( s) of vascular damage, accounting for its impact in cardiovascular disease (CVD). We focus on endothelial damage, aberrant angiogenesis and apoptosis-the three important pathophysiological mechanisms responsible for most long term complications in frank diabetes. However, on this occasion we evaluate these mechanisms in the milieu of IGT (post prandial hyperglycaemia or post challenge hyperglycaemia) rather than frank diabetes per se. A better understanding of the actual mechanisms of vascular damage in IGT may not only enhance our understanding about the disease process but may also facilitate implementation of appropriate therapeutic measures.


Impaired glucose tolerance,postprandial hyperglycaemia,cardiovascular disease,endothelial dysfunction,angiogenesis and apoptosis


, , University Department of Medicine, City Hospital, Birmingham B18 7QH, England, United Kingdom.

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