Goal-directed fluid management based on pulse pressure variation monitoring during high-risk surgery: a pilot randomized controlled trial
2007

Fluid Management During High-Risk Surgery

Sample size: 33 publication Evidence: moderate

Author Information

Author(s): Marcel R Lopes, Marcos A Oliveira, Vanessa Oliveira S Pereira, Ivaneide Paula B Lemos, Jose Otavio C Auler Jr, Frédéric Michard

Primary Institution: Santa Casa de Misericórdia de Passos

Hypothesis

Monitoring and minimizing arterial pulse pressure variation (ΔPP) by volume loading during high-risk surgery may improve postoperative outcomes.

Conclusion

Monitoring and minimizing ΔPP by volume loading during high-risk surgery improves postoperative outcomes and decreases the length of stay in hospital.

Supporting Evidence

  • Group I received significantly more fluid than group C during surgery.
  • The median duration of postoperative stay in hospital was lower in group I than in group C.
  • Fewer patients in group I developed postoperative complications compared to group C.

Takeaway

Doctors can help patients recover faster after surgery by giving them the right amount of fluids based on their blood pressure changes.

Methodology

A pilot randomized controlled trial with 33 patients undergoing high-risk surgery, comparing a control group and an intervention group monitored for ΔPP.

Potential Biases

Potential imbalance in group characteristics due to small sample size.

Limitations

The study was single-centre, had a small sample size, and did not measure ΔPP in the control group.

Participant Demographics

Patients undergoing high-risk surgery, with a mean age of 62-63 years, and various comorbidities.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/cc6117

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