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Partial liquid ventilation in the therapy of pediatric acute respiratory distress syndrome

M Fedora1, R Nekvasil, M Seda

  • 1Department of Anesthesia and Critical Care, Children's Hospital, Masaryk University, Brno, Czech Republic. mfedor@med.muni.cz

Bratislavske Lekarske Listy
|January 25, 2000
PubMed

Insights

Partial liquid ventilation (PLV) effectively improved oxygenation in children with severe respiratory failure when other treatments were not possible. This method offers a viable option for managing acute respiratory distress syndrome (ARDS).

Area of Science:

  • Pulmonary Medicine
  • Critical Care
  • Neonatology

Background:

  • Acute respiratory failure (ARF) in newborns, children, and adults carries high mortality and morbidity.
  • Advancements in understanding lung pathophysiology are driving new technologies to reduce ARF complications.
  • Partial liquid ventilation (PLV) is an innovative, unconventional method for respiratory support.

Purpose of the Study:

  • To evaluate the efficacy of PLV in patients with potentially reversible respiratory failure.
  • To assess PLV as a treatment option when extracorporeal life support (ECLS) or extracorporeal membrane oxygenation (ECMO) is contraindicated or not feasible.

Main Methods:

  • PLV was administered to 6 children (7 applications) experiencing severe hypoxemic respiratory failure.
  • Preoxygenated perfluorocarbon (Rimar 101) was instilled intratracheally, warmed to 37°C, at doses matching functional residual capacity, with hourly re-administration.
  • Key parameters monitored included pH, blood gases, ventilator settings, alveoloarterial oxygen difference, dynamic compliance, oxygenation index, and hypoxemia score (PaO2/FiO2).

Main Results:

  • A statistically significant increase in pH (7.22 to 7.34) and PaO2/FiO2 (72 to 100 Torr) was observed.
  • A significant decrease in fraction of inspired oxygen (FiO2) (82% to 64%) and oxygenation index (23 to 17) occurred.
  • These improvements were noted within 3 hours of initiating PLV.

Conclusions:

  • Partial liquid ventilation demonstrates effectiveness in managing acute respiratory distress syndrome (ARDS) in specific patient populations with severe lung disease.
  • PLV presents a promising therapeutic strategy for severe respiratory failure unresponsive to conventional treatments.
Abstract

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