Key result
The proposed automatic algorithm for estimating pulse-pressure-variation performed considerably better than the commercial PICCO system during regions of abrupt hemodynamic changes in a swine model.
Why the study?
Does the proposed enhanced automatic algorithm improve the accuracy of pulse-pressure-variation estimation during abrupt hemodynamic changes compared to a commercial system in a swine model?
Population
18 mechanically ventilated crossbred Yorkshire swine undergoing grade V liver injury after splenectomy…
Comparison
Enhanced automatic algorithm for estimation of… vs Commercial system and manually calculated…
Design
Preclinical
Authors
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Should not yet change clinical PPV monitoring; leaves open superiority of automated algorithms in human hemodynamic instability.
Does the proposed enhanced automatic algorithm improve the accuracy of pulse-pressure-variation estimation during abrupt hemodynamic changes compared to a commercial system in a swine model?
The proposed automatic algorithm provides more accurate estimation of pulse-pressure-variation during abrupt hemodynamic changes compared to a standard commercial system in a preclinical model.
Aboy et al. (2009) studied Mechanically ventilated swine undergoing grade V liver injury and hemorrhagic shock (n=18). Enhanced automatic algorithm for PPV estimation vs. PICCO system and manual expert annotation was evaluated on Accuracy of PPV estimation during periods of abrupt hemodynamic changes. The proposed automatic algorithm for estimating pulse-pressure-variation performed considerably better than the commercial PICCO system during regions of abrupt hemodynamic changes in a swine model.
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