2007
DOI: 10.1093/ndt/gfm470
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Reproducibility of pulse-wave analysis and pulse-wave velocity determination in chronic kidney disease

Abstract: PWA and PWV based on applanation tonometry using the SphygmoCor software and hardware are highly reproducible in pre-dialysis patients with CKD with the day-to-day variation being in accordance with the intra- and inter-observer variation. Thus, applanation tonometry using the SphygmoCor system is a simple, non-invasive method to assess central haemodynamics in clinical trials in patients with pre-dialysis CKD with only a limited number of patients needed to detect significant differences.

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Cited by 82 publications
(89 citation statements)
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“…Some data concerning validation was also published in [29] comprising three sets of recordings for the carotid pressure waveform at left and right carotid arteries, under standardized conditions, in 20 volunteers by three trained operators. Inter and intra-operator differences were calculated being good indicators, similar to other data reported in literature for commercial devices [30].…”
Section: Pwa Measurementssupporting
confidence: 80%
“…Some data concerning validation was also published in [29] comprising three sets of recordings for the carotid pressure waveform at left and right carotid arteries, under standardized conditions, in 20 volunteers by three trained operators. Inter and intra-operator differences were calculated being good indicators, similar to other data reported in literature for commercial devices [30].…”
Section: Pwa Measurementssupporting
confidence: 80%
“…12,27 Both use electrocardiogram-gated sequential tonometric measurements to asses aortic (carotid-femoral) PWV and are widely used in clinical and research practice. [23][24][25] Survival studies in adults indicate that PWV measured by applanation tonometry has a good clinical predictive value. 20 Involving more than 1000 children, our research group has furthermore confirmed the applicability of the PP device to mass screening of children of different age groups.…”
Section: Discussionmentioning
confidence: 99%
“…They are easily applied in adults and children and have a fair reproducibility. [22][23][24][25][26] PP and SC devices have been validated invasively in adults. 12,27 It is claimed that, in children, PWV measurements by applanation tonometry may be difficult to carry out as they are time consuming and require some degree of patient cooperation.…”
Section: Introductionmentioning
confidence: 99%
“…To date, repeated PWV measurements have been evaluated only in respect to their reproducibility. 6,7 Recently, in a meta-analysis of 17 longitudinal studies that evaluated aortic PWV and followed up 15 877 subjects for a mean of 7.7 years, the absolute differences/changes of PWV (in m s À1 ) have been 'translated' to a specific change in CVR (1 m s À1 change corresponds to 15% change in CVR)). In addition, normal values of PWV have been also published, 8 allowing the classification of a PWV measurement to normal or abnormal.…”
Section: Introductionmentioning
confidence: 99%