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Comparison of Two Weaning Methods from Heated Humidified High-Flow Nasal Cannula Therapy in Pediatric Intensive Care

Muhammed Udurgucu1, Hatice Albayrak1, Hatice Elif Kinik Kaya1

  • 1Division of Pediatric Critical Care, Ondokuz Mayıs University School of Medicine, Samsun, Turkey.

Pediatric Allergy, Immunology, and Pulmonology
|May 19, 2022
PubMed

Insights

Directly weaning children from high-flow nasal cannula (HFNC) in the pediatric intensive care unit (PICU) is as effective as gradual flow reduction. Direct weaning also significantly shortens HFNC treatment duration and hospital length of stay.

Area of Science:

  • Pediatric critical care medicine
  • Respiratory therapy

Background:

  • High-flow nasal cannula (HFNC) is a common respiratory support method in pediatric intensive care units (PICUs).
  • Optimal strategies for initiating, maintaining, and weaning HFNC in children remain debated, lacking established consensus.

Purpose of the Study:

  • To compare the efficacy and outcomes of two distinct HFNC weaning methods in pediatric patients.
  • To evaluate success rates, treatment duration, and length of stay (LOS) associated with direct weaning versus flow reduction weaning.

Main Methods:

  • A randomized study involving pediatric patients in the PICU initiated on HFNC treatment.
  • Patients responding to HFNC were randomized into either direct weaning or gradual flow reduction groups.
  • Respiratory assessment scores guided decisions for HFNC initiation, continuation, and weaning.

Main Results:

  • Successful weaning from HFNC was achieved in 76.9% of patients overall, with no significant difference between direct (73.6%) and flow reduction (82.1%) groups (P=0.286).
  • Direct weaning resulted in a statistically significant shorter median HFNC duration (36h vs. 60h, P<0.001) and PICU LOS (6 days vs. 9.5 days, P=0.043) compared to flow reduction.
  • No significant difference in successful weaning rates was observed between the two methods.

Conclusions:

  • Direct weaning from HFNC in the PICU is a viable strategy with similar success rates to flow reduction.
  • Direct weaning significantly reduces both the duration of HFNC therapy and the overall length of PICU stay for pediatric patients.
  • These findings suggest direct weaning may be a more efficient approach for selected pediatric patients on HFNC.

Keywords:
high-flow nasal cannulanoninvasive ventilationpediatric intensive carerespiratory scoringweaning

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