Document Detail

Oscillometric estimation of aortic pulse wave velocity: comparison with intra-aortic catheter measurements.
MedLine Citation:
PMID:  23571229     Owner:  NLM     Status:  Publisher    
OBJECTIVES: Recently, a novel method to estimate aortic pulse wave velocity (aPWV) noninvasively from an oscillometric single brachial cuff waveform reading has been introduced. We investigated whether this new approach provides acceptable estimates of aPWV compared with intra-aortic catheter measurements. METHODS: Estimated values of aPWV obtained from brachial cuff readings were compared with those obtained using an intra-aortic catheter in 120 patients (mean age 61.8±10.8 years) suspected for coronary artery disease undergoing cardiac catheterization. Differences between aPWV values obtained from the test device and those obtained from catheter measurements were estimated using Bland-Altman analysis. RESULTS: The mean difference±SD between brachial cuff-derived values and intra-aortic values was 0.43±1.24 m/s. Comparison of aPWV measured by the two methods showed a significant linear correlation (Pearson's R=0.81, P<0.0001). The mean difference for repeated oscillometric measurements of aPWV was 0.05 m/s, with 95% confidence interval limits from -0.47 to 0.57 m/s. CONCLUSION: aPWV can be obtained using an oscillometric device with brachial cuffs with acceptable accuracy compared with intra-aortic readings.
Bernhard Hametner; Siegfried Wassertheurer; Johannes Kropf; Christopher Mayer; Bernd Eber; Thomas Weber
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-4-6
Journal Detail:
Title:  Blood pressure monitoring     Volume:  -     ISSN:  1473-5725     ISO Abbreviation:  Blood Press Monit     Publication Date:  2013 Apr 
Date Detail:
Created Date:  2013-4-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9606438     Medline TA:  Blood Press Monit     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
aDepartment of Health and Environment, AIT Austrian Institute of Technology bDepartment of Analysis and Scientific Computing, Vienna University of Technology, Vienna cDepartment of Cardiology, Klinikum Wels-Grieskirchen, Wels, Austria.
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