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Usefulness of extravascular lung water assessment as a predictor of weaning from mechanical ventilation
Critical Care volume 19, Article number: P258 (2015)
Quantitative measurement of extravascular lung water (EVLW) would be extremely useful for clinical management, both as an index of severity and to guide treatment lung ultrasonography (LU) as a tool to quantify EVLW.
Forty mechanically ventilated patients were examined for 5 successive days after being eligible for weaning; counting B-lines (comets) in both lung fields by LU, peak airway pressure, plateau airway pressure, static compliance and ABG analysis every 6 hours. Patients were divided into two groups according to success of the weaning process: group A (weaned group), and group B (nonweaned group).
The median value of LU comets was significantly lower in Group A compared with Group B. There was a significant increase in hypoxic index in Group A compared with Group B. There was no significant difference between both groups as regards PIP, while Pplat showed a significant increase in Group B compared with Group A and Cs showed a significant decrease in Group B.
LU is a useful to quantify EVLW; it is a good predictor of weaning.
Nektaria X, Eumorfia K, George P, et al: Impact of lung ultrasound on clinical decision making in critically ill patients. Intensive Care Med. 2014, 40: 57-65. 10.1007/s00134-013-3133-3.
Jambrik Z, Monti S, Coppola V, et al: Usefulness of ultrasound lung comets as a nonradiologic sign of extravascular lung water. Am J Cardiol. 2004, 93: 1265-70. 10.1016/j.amjcard.2004.02.012.
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Zidan, D., Okasha, A., Megahed, M. et al. Usefulness of extravascular lung water assessment as a predictor of weaning from mechanical ventilation. Crit Care 19, P258 (2015). https://doi.org/10.1186/cc14338
- Public Health
- Mechanical Ventilation
- Emergency Medicine
- Good Predictor
- Quantitative Measurement