Lung Ultrasound as a Tool for Analysis of Ventilation in Children With Respiratory Failure

Ana Caroline Dos Santos Calandrini1, Emmerson Carlos Franco De Farias2, Mary Lucy Ferraz Maia2

  • 1Universidade Do Estado Do Pará-UEPA, Belém, Brazil.

Insights

Bedside lung ultrasound effectively monitors children on invasive mechanical ventilation (MV). Findings like reduced pleural sliding and bat signs correlate with MV duration, aiding critical care management.

Area of Science:

  • Pediatric Critical Care Medicine
  • Diagnostic Imaging
  • Pulmonology

Background:

  • Respiratory failure in children necessitates invasive mechanical ventilation (MV).
  • Monitoring ventilated pediatric patients requires accurate and accessible tools.
  • Lung ultrasound (LUS) offers a non-invasive imaging modality for respiratory assessment.

Purpose of the Study:

  • To characterize lung ultrasound findings in pediatric patients experiencing respiratory failure.
  • To evaluate the utility of LUS in managing children on invasive mechanical ventilation (MV).

Main Methods:

  • A longitudinal, observational, quantitative study in a pediatric intensive care unit.
  • Inclusion of children aged 6 months to 7 years with respiratory distress syndrome on invasive MV.
  • Application of the BLUE protocol for lung ultrasound during hospitalization and weaning.

Main Results:

  • Seventeen patients with reduced A lines were analyzed.
  • Worsening B lines indicated potential pulmonary complications.
  • Statistically significant decreases were observed in pleural sliding (p=0.04) and bat sign (p=0.002) with MV duration.
  • Negative correlation between MV time and bat sign was significant.

Conclusions:

  • Bedside lung ultrasound is a valuable tool for monitoring children on invasive MV.
  • LUS facilitates follow-up of critical pediatric patients.
  • This imaging technique aids in the management of respiratory failure in ventilated children.
Abstract