Ventilatory ratio: validation in an ex vivo model and analysis in ARDS/ALI patients
2011
Ventilatory Ratio in ARDS Patients
Sample size: 122
publication
Evidence: moderate
Author Information
Author(s): Sinha P, Corrie K, Bersten A, Hardman JG, Soni N
Primary Institution: Chelsea and Westminster NHS Foundation Trust
Hypothesis
Can the ventilatory ratio (VR) effectively monitor ventilatory efficiency in patients with ARDS and ALI?
Conclusion
The ventilatory ratio is a reliable tool for monitoring ventilatory efficiency and predicting outcomes in ARDS patients.
Supporting Evidence
- The ventilatory ratio showed significant correlation with physiological deadspace fraction.
- Patients with ARDS had a higher ventilatory ratio compared to those with ALI.
- Nonsurvivors had a higher ventilatory ratio than survivors.
Takeaway
The ventilatory ratio helps doctors see how well patients are breathing and can predict if they will get better or worse.
Methodology
The study used a computational model to validate the ventilatory ratio and analyzed data from 122 patients with ALI and ARDS.
Participant Demographics
Patients included those with ARDS and ALI.
Statistical Information
P-Value
P = 0.02
Confidence Interval
95% CI = -0.47 to -0.15
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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