Abstract
Introduction: Silent coronary heart disease is frequently undetected in type 2 diabetes mellitus (DM2) and prediabetes determined by glucose intolerance (GI). Pulse wave velocity (PWV) and albumin-creatinine ratio (ACR) have been considered markers of cardiovascular mortality, coronary heart disease and chronic renal failure. Aims: To evaluate the incidence of coronary heart disease (CHD) and its relationship with urinary albumin-creatinine ratio, glomerular filtration rate (GFR) and PWV in type 2 DM with silent CHD. Methods: We analyzed 92 individuals (44 male), 49 (60±7y) type 2 DM non-insulin dependents and 43 prediabetics (43±4y), with Grade I-II hypertension and no symptoms of CHD. All type 2 DM patients were under hypoglycemic treatment with an A1C hemoglobin between 5.5 and 6.5%. Every patient underwent a myocardial perfusion SPECT scan. In those subjects with ischemic patterns, a coronary angiography was performed. In addition, a PWV, glomerular filtration rate (CrCl), and ACR were evaluated. Statistics: mean±SEM, and ANOVA followed by Post Hoc analysis among groups. Results: Silent CHD was found in 48.59% of DM2 and 25.58% of GI. DM2 and GI patients with CHD had higher ACR and PWV and reduced glomerular filtration rate (p<0.05). DM2 and GI showed a negative relationship between GFR and ACR (p<0.05). Type 2 diabetic and GI showed a negative relation between GFR and ACR or PWV when having GFR above 60 mil.min. Meanwhile, in type 2 Diabetics with CHD and GFR < 60 ml.min a negative relationship with PWV was only, suggesting a cardiorenal interaction in type 2 diabetes. Conclusions: Higher PWV, lower GFR and ACR predict the incidence of CHD in DM2. GI also represent a group of higher risk for coronary heart disease with the same predictors showed in DM2. PWV seems to represent a reliable marker. Disclosure R.A. Sanchez: None. M.J. Sanchez: None. A.J. Ramirez: None.
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