Key result
Non-invasive ultrasound of IJV and IVC collapsibility indices inversely correlates with invasive CVP.
Why the study?
Direct CVP measurement is invasive, time-consuming, and labor-intensive, but few studies have evaluated the relationship between invasive CVP and non-invasive ultrasound imaging of IJV and IVC collapsibility indices for assessing volume status.
Does non-invasive ultrasound measurement of IJV and IVC collapsibility index correlate with invasive central venous pressure in critically ill adult patients?
Population
70 adult ICU patients (10 excluded)
Comparison
Invasive CVP vs ultrasound-measured IJV and IVC collapsibility indices
Design
Prospective observational study
Authors
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May support non-invasive CVP surrogates in ICU; hypothesis-generating and requires prospective validation before adoption.
Observational (n=60)
Does non-invasive ultrasound measurement of IJV and IVC collapsibility index correlate with invasive central venous pressure in critically ill adult patients?
Effect estimate: r = -0.503
p-value: p=0.001
Non-invasive bedside ultrasound assessment of IJV and IVC collapsibility indices significantly correlates with invasive CVP, suggesting it could serve as a reliable substitute for volume status evaluation in critically ill patients.
Kumar et al. (2024) conducted an observational in Critically ill patients (n=60). Non-invasive ultrasound assessment of IJV and IVC collapsibility indices vs. Invasive central venous pressure (CVP) measurement was evaluated on Correlation between invasive CVP and non-invasive IJV/IVC collapsibility indices (r = -0.503, p=0.001). Non-invasive ultrasound assessment of IJV and IVC collapsibility indices significantly correlated with invasively monitored central venous pressure (IVC-CI CSA r = -0.503, P=0.001).
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