Key result
External pulse wave velocity measurements using PulsePen and Complior II positively correlated with MRI-derived values in obese subjects (r=0.47, P=0.005 and r=0.43, P=0.01, respectively).
Why the study?
Does external noninvasive measurement of pulse wave velocity correlate with phase-contrast MRI assessment in obese subjects?
Population
32 volunteers aged 46 to 65 years with isolated abdominal obesity and BMI between 27 and 35.
Comparison
Carotid-femoral pulse wave velocity measurement… vs Aortic PWV and mechanical properties measured by…
Design
Cross-sectional
Authors
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Supports external PWV validation in obesity; leaves open prospective outcome trials before replacing MRI.
Cross-Sectional (n=32)
Does external noninvasive measurement of pulse wave velocity correlate with phase-contrast MRI assessment in obese subjects?
Effect estimate: r=0.47 (PulsePen); r=0.43 (Complior)
p-value: P=0.005 (PulsePen); P=0.01 (Complior)
External noninvasive devices (PulsePen and Complior) provide valid measurements of pulse wave velocity that correlate with MRI assessments in subjects with class I obesity (BMI ≤35).
Joly et al. (2009) conducted a cross-sectional in Isolated abdominal obesity (n=32). External noninvasive devices (PulsePen and Complior II) vs. Phase-contrast MRI was evaluated on Correlation between MRI PWV values and PWV measured by external devices (r=0.47 (PulsePen); r=0.43 (Complior), p=P=0.005 (PulsePen); P=0.01 (Complior)). External pulse wave velocity measurements using PulsePen and Complior II positively correlated with MRI-derived values in obese subjects (r=0.47, P=0.005 and r=0.43, P=0.01, respectively).
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