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Accurate method for measuring arterial pulse wave velocity by cardiovascular magnetic resonance

✍ Scribed by El-Sayed Ibrahim

Publisher
BioMed Central
Year
2012
Tongue
English
Weight
496 KB
Volume
14
Category
Article
ISSN
1097-6647

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✦ Synopsis

A modified version of the flow-area (QA) method for measuring pulse wave velocity (PWV) from CMR images is introduced. The new 'flow-time-area' (QTA) method is more robust to errors in area measurements than the QA method, which is mathematically proved and demonstrated in pulmonary hypertension study. PWV was correlated to measurements from catheterization, echo, and CMR. The effect of image resolution, inter-, and intra-observer variabilities were studied. The results showed superiority of the QTA method over QA method.

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Assessing normal pulse wave velocity in the proximal pulmonary arteries using transit time: A feasibility, repeatability, and observer reproducibility study by cardiovascular magnetic resonance
✍ William M. Bradlow; Peter D. Gatehouse; Ray L. Hughes; Aoife B. O'Brien; John S. πŸ“‚ Article πŸ“… 2007 πŸ› John Wiley and Sons 🌐 English βš– 440 KB

## Abstract ## Purpose To calculate pulse wave velocity (PWV) in the proximal pulmonary arteries (PAs) by cardiovascular magnetic resonance (CMR) using the transit‐time method, and address respiratory variation, repeatability, and observer reproducibility. ## Materials and Methods A 1.9‐msec int