Browsing by Author "Eren, B"

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    Fragmented QRS as a predictor of subclinical cardiovascular disease in patients with chronic kidney disease
    Toraman, A; Eren, B; Yilmaz, I; Duzgun, F; Taneli, F; Kursat, S
    Background Fragmented QRS (fQRS) on surface electrocardiogram is correlated with increased cardiovascular risk and mortality in normal population. Aims To investigate the presence of fQRS and its association with subclinical atherosclerosis and vascular calcification in chronic kidney disease (CKD) patients without cardiovascular disease. Methods A total of 129 CKD (63 males and 66 females) patients was enrolled for the study. Carotid intima-media thickness (CIMT) measurement and coronary artery calcification score (CACS) were performed by the same radiologist. A 12-lead electrocardiogram recording was used to detect fQRS. Results The mean age was 55.1 +/- 15.1 years. fQRS was detected in 45% of patients. There was not any significant difference between patients with or without fQRS in terms of demographic parameters and comorbid diseases except for diabetes and hyperlipidaemia. The mean CIMT of CKD patients was 0.66 +/- 0.18 mm and it was significantly higher in fQRS(+) group compared to the fQRS(-) group. Similarly CACS values were higher in fQRS(+) group. In the logistic regression analysis, fQRS remained significantly associated with CIMT (beta = 0.220, t = 2.567, P = 0.011) (independent variables: CIMT, CACS, sodium and glomerular filtration rate (modification of diet in renal disease-glomerular filtration rate)). Conclusions This is the first study in the literature showing the relation of fQRS with CIMT and CACS in patients with CKD without known cardiovascular disease.