Reproducibility of derived central arterial waveforms in patients with chronic renal failure

188 subjects including 23 healthy controls, 71 pre-dialysis, 67 dialysis, and 27 transplant patients with chronic renal failure

Pulse-wave analysis by applanation tonometry to derive central arterial waveforms

Intra-observer, inter-observer, and long-term reproducibility of central aortic mean blood pressure, augmentation index, time to reflection, and subendocardial viability ratiosurrogate