Why the study?
Does advancing age correlate with changes in inferior vena cava diameter and collapsibility in patients with cardiovascular risk factors but no overt cardiac disease?
Population
n=200 patients with cardiovascular risk factors but no overt cardiac diseases, mean age 67 ± 15 years.
Design
Cross-sectional
Authors
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May warrant age-adjusted IVC thresholds for volume assessment; leaves open prospective validation in elderly patients.
Does advancing age correlate with changes in inferior vena cava diameter and collapsibility in patients with cardiovascular risk factors but no overt cardiac disease?
Maximum IVC diameter decreases and respirophasic collapsibility increases with advancing age, suggesting elderly patients may have lower baseline right atrial pressures and require careful monitoring for dehydration.
Masugata et al. (2010) studied this question.
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