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Rigshospitalet - a part of Copenhagen University Hospital
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Incremental value of a combination of cardiac troponin T, N-terminal pro-brain natriuretic peptide and C-reactive protein for prediction of mortality in end-stage renal disease

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  1. Impact of extracorporeal blood flow rate on blood pressure, pulse rate and cardiac output during haemodialysis

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  2. Potassium dynamics are attenuated in hyperkalemia and a determinant of QT adaptation in exercising hemodialysis patients

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  3. Blood flow measurements during hemodialysis vascular access interventions - Catheter-based thermodilution or Doppler ultrasound?

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  4. Catheter-based flow measurements in hemodialysis fistulas - Bench testing and clinical performance

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  5. Endovascular treatment of hemodialysis arteriovenous fistulas: is immediate post-interventional blood flow a predictor of patency

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Abstract Objective. To determine the relative prognostic merits of C-reactive protein (CRP), cardiac troponin T (cTnT) and N-terminal pro-brain natriuretic peptide (NT-pro-BNP) for prediction of all-cause death in patients with end-stage renal disease (ESRD) receiving haemodialysis. Material and methods. This prospective, controlled cohort study included 109 patients. Biomarkers were sampled at inclusion and considered as categorical and continuous variables in Cox proportional hazard models. Results. Mean follow-up ± SD was 926 ± 385 days, during which 52 patients (48%) died. All three markers were predictive of death in univariate analysis. In multivariable analysis, elevated cTnT (> 0.01 μg/l) and CRP (> 1.0 mg/dl) remained significantly associated with mortality [hazard ratio (95% confidence interval), 3.2 (1.2-8.5), p = 0.017 for cTnT; 2.0 (1.0-3.8), p = 0.032 for CRP], while NT-pro-BNP lost independent prognostic power. Addition of cTnT and CRP to established risk factors significantly improved the global fit of the model (p <0.001), increased the c statistic from 0.726 to 0.758 and significantly increased the integrated discrimination improvement (p <0.001). Conclusion. The results suggest that cTnT and CRP can be used in combination for risk stratification in patients with ESRD and highlight the additive effect they confer in this regard.
Original languageEnglish
JournalScandinavian Journal of Urology and Nephrology
Volume45
Issue number2
Pages (from-to)151-8
Number of pages8
ISSN0036-5599
DOIs
Publication statusPublished - 1 Mar 2011

ID: 31012841