Journal Article

Relevance of conventional cardiovascular risk factors for the prediction of coronary artery disease in diabetic patients on renal replacement therapy.

M Koch, F Gradaus, F C Schoebel, M Leschke and B Grabensee

in Nephrology Dialysis Transplantation

Volume 12, issue 6, pages 1187-1191
Published in print June 1997 | ISSN: 0931-0509
Published online June 1997 | e-ISSN: 1460-2385 | DOI: http://dx.doi.org/10.1093/ndt/12.6.1187
Relevance of conventional cardiovascular risk factors for the prediction of coronary artery disease in diabetic patients on renal replacement therapy.

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BACKGROUND: Diabetic patients undergoing renal replacement therapy have a high cardiovascular mortality. As the rate of patients with diabetic nephropathy rises, adequate risk stratification subsequent to renal transplantation is warranted. It was the aim of our study to elucidate whether conventional risk factors are valid predictors of coronary artery disease in this group of patients with chronic renal failure subsequent to transplantation. METHODS AND RESULTS: Between 1989 and 1993, 105 consecutive diabetic patients (70 men, 35 women, 77 type I and 28 type II diabetics, mean age 43 +/- 12 years) were examined during the first six months of dialysis treatment. Coronary angiography was performed in all patients regardless of clinical symptoms of coronary artery disease (CAD). In 38 patients (36%) CAD was documented (single-vessel disease: 17 patients, double-vessel disease: 6 patients, triple-vessel disease: 15 patients). Manifestations of coronary atherosclerosis were seen in 49 patients (47%). Angina pectoris was present in 9 out of 38 patients (24%), the sensitivity to detect CAD was 43% and 52% for ST-segment depression assessed at rest. Risk factors for atherosclerosis like hypertension, smoking, cholesterol (total cholesterol, HDL-,LDL-cholesterol), triglycerides as well as concentrations of lipoprotein (a) and fibrinogen were not significantly different in patients with or without coronary artery disease. Atherosclerotic manifestations of cerebral and peripheral arteries as well as manifestations of diabetic microangiopathy like retinopathy did not correlate with the prevalence of CAD. In 11 out of 38 patients (29%) cardiac interventions (3 x CA BG, 8 x PTCA) were performed. All of them were defined as transplantable after myocardial revascularisation. CONCLUSIONS: Clinical symptoms as well as the cardiovascular risk profile are not valid predictors of CAD in diabetic patients with chronic renal failure. Therefore coronary angiography should be performed in all diabetic patients prior to renal transplantation.

Journal Article.  0 words. 

Subjects: Nephrology

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