Weaning from noninvasive ventilation and high flow nasal cannula in bronchiolitis: A survey of practice
- 8 June 2020
- journal article
- research article
- Published by Wiley in Pediatric Pulmonology
- Vol. 55 (11), 3104-3109
- https://doi.org/10.1002/ppul.24890
Abstract
Rational This study aims to describe the current weaning practices from any type of noninvasive support in infants with bronchiolitis, in terms of weaning procedures, weaning initiation and weaning failure criteria. Working hypothesis No information regarding the weaning practices is currently available and there may be a wide variability of strategies. Study design A cross‐sectional electronic survey. Methodology The survey was distributed to the physicians from five French‐speaking countries with key roles in pediatric intensive care units. Results Responses were obtained from 29 PICUs from five French‐speaking countries. A written weaning protocol was available in 3 pediatric centers (10%) and nurses had key‐role in the weaning process in 72% of centers. The sudden weaning was the most commonly used procedure, no matter the type of non‐invasive ventilatory support. The most commonly used criteria for weaning initiation and weaning failure were the degree of respiratory distress, the occurrence of apneas and the Fraction of Inspired Oxygen (FiO2). The thresholds commonly used for weaning initiation criteria were: 1/None or a slight use of accessory muscles; 2/FiO2 ≤ 40%; 3/Respiratory Rate < 60/min; 4/No apnea; 5/blood pH > 7.30 and 6/PvCO2 ≤ 50 mmHg. Conclusion In infants with bronchiolitis requiring non‐invasive ventilatory support, the sudden weaning procedure was the most commonly used strategy. We observed a certain consensus on criteria for weaning initiation. These findings should help in building nurse‐driven weaning protocols, but prospective studies remain needed to assess the best weaning strategy in infants with bronchiolitis‐related acute respiratory failure.Keywords
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