Predicting Fluid Responsiveness in Patients with Spontaneous Breathing
Author Information
Author(s): Heenen Sarah, De Backer Daniel, Vincent Jean-Louis
Primary Institution: Erasme University Hospital, Free University of Brussels
Hypothesis
Can different static and dynamic measurements of preload predict fluid responsiveness in patients with spontaneous respiratory movements?
Conclusion
Static indices are better predictors of fluid responsiveness than dynamic indices in patients with spontaneous respiratory movements.
Supporting Evidence
- Cardiac index increased from 3.0 to 3.5 l minute-1 m-2 after fluid challenge.
- Static indices had a ROC curve area of 0.73 for PAOP, indicating better predictive value than dynamic indices.
- Fluid responsiveness was defined as a 15% increase in cardiac output after fluid challenge.
Takeaway
Doctors wanted to see if certain measurements could help them know if patients would respond well to fluid treatment. They found that some measurements worked better than others.
Methodology
The study involved 21 critically ill patients who received fluid challenges while their hemodynamic measurements were taken before and after the challenge.
Limitations
The study did not evaluate volumetric indices of preload, which may perform better than pressure measurements.
Participant Demographics
Patients included were critically ill, aged 18 and older, with spontaneous breathing movements.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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