Comparison between pulse pressure variation and conventional parameters as guides to resuscitation in a pig model of acute hemorrhagic shock with endotoxemia
2011

Comparing Fluid Management Techniques in Pigs

Sample size: 27 publication Evidence: moderate

Author Information

Author(s): Noel-Morgan J, Fantoni DT, Otsuki DA, Auler JO Jr

Primary Institution: Faculdade de Medicina da Universidade de São Paulo, Brazil

Hypothesis

The study aims to compare pulse pressure variation (PPV) with conventional parameters for guiding resuscitation in a pig model of acute hemorrhagic shock with endotoxemia.

Conclusion

Both PPV-guided and conventional fluid management resulted in similar hemodynamic outcomes, but CVP was higher in the conventional group.

Supporting Evidence

  • All groups showed significant decreases in cardiac index, MAP, CVP, SvO2, and oxygen delivery index at the first time point.
  • Both treated groups showed hemodynamic recovery with no statistical difference from baseline or each other.
  • The only statistical difference between treatment groups was in CVP, which was higher in the conventional group.

Takeaway

The study looked at how two different ways of giving fluids to pigs in shock worked, and found they worked about the same, but one way kept a certain measurement higher.

Methodology

Twenty-seven anesthetized pigs were divided into three groups and subjected to acute hemorrhagic shock with endotoxin infusion, with hemodynamic parameters measured at various times.

Limitations

The clinical impacts of the findings remain to be determined.

Participant Demographics

Anesthetized, mechanically ventilated pigs.

Statistical Information

P-Value

P = 0.009; P < 0.001; P = 0.006

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/cc9470

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