Key result
Non-invasive pulse pressure variation measured with Nexfin differed significantly from radial artery catheter measurements (mean difference 1.49%; limits of agreement -2.71% to 5.69%; p<0.001).
Why the study?
Does the non-invasive Nexfin device accurately measure arterial pressure and pulse pressure variation compared to a radial artery catheter in patients following major upper abdominal surgery?
Population
19 patients following major upper abdominal surgery without major cardiovascular compromise or haemodynamic…
Comparison
Non-invasive continuous arterial pressure and… vs Arterial blood pressure values measured from a…
Design
Cross-sectional
Authors
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Nexfin PPV differs significantly from radial artery measurements; leaves open reliability of non-invasive monitoring after major upper abdominal surgery.
Observational (n=19)
Does the non-invasive Nexfin device accurately measure arterial pressure and pulse pressure variation compared to a radial artery catheter in patients following major upper abdominal surgery?
Mean Difference: 1.49 (95% CI -2.71–5.69)
p-value: p=< 0.001
The Nexfin monitor system provides acceptable non-invasive arterial pressure monitoring in patients after major upper abdominal surgery without major cardiovascular compromise.
Wilde et al. (2016) conducted an observational in major upper abdominal surgery (n=19). Nexfin device vs. radial artery catheter was evaluated on pulse pressure variation (MD 1.49%, 95% CI -2.71 to 5.69, p=< 0.001). Non-invasive pulse pressure variation measured with Nexfin differed significantly from radial artery catheter measurements (mean difference 1.49%; limits of agreement -2.71% to 5.69%; p<0.001).
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