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Background. The high prevalence of asymptomatic coronary artery stenosis (CAS) in chronic kidney disease (CKD) has emerged as an important predictor of outcome. However, diagnostic tools that can identify asymptomatic CAS have not yet been established. We investigated whether asymptomatic patients at the initiation of renal replacement therapy (RRT) could be screened using cardiac troponin T (cTnT) and atherosclerotic surrogate markers such as ankle-brachial blood pressure index (ABPI) and intima-media thickness (IMT).

Methods and results. Among 142 patients who were about to start RRT, 60 who were asymptomatic underwent coronary evaluation by multi-slice computed tomography (MSCT) and/or coronary angiography (CAG). CAG diagnosed 35 patients (43.8%) as CAS positive and 27 of them had multi-vessel disease. Factors associated with CAS were smoking, elevated …