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Lung-Protective Ventilation for Pediatric Acute Respiratory Distress Syndrome: A Nonrandomized Controlled Trial∗

  • Judith Ju Ming Wong*
  • , Hongxing Dang
  • , Chin Seng Gan
  • , Phuc Huu Phan
  • , Hiroshi Kurosawa
  • , Kazunori Aoki
  • , Siew Wah Lee
  • , Jacqueline Soo May Ong
  • , Li Jia Fan
  • , Chian Wern Tai
  • , Soo Lin Chuah
  • , Pei Chuen Lee
  • , Yek Kee Chor
  • , Louise Ngu
  • , Nattachai Anantasit
  • , Chunfeng Liu
  • , Wei Xu
  • , Dyah Kanya Wati
  • , Suparyatha Ida Bagus Gede
  • , Muralidharan Jayashree
  • Felix Liauw, Kah Min Pon, Li Huang, Jia Yueh Chong, Xuemei Zhu, Kam Lun Ellis Hon, Karen Ka Yan Leung, Rujipat Samransamruajkit, Yin Bun Cheung, Jan Hau Lee
*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

19 Citations (Scopus)

Abstract

OBJECTIVES: Despite the recommendation for lung-protective mechanical ventilation (LPMV) in pediatric acute respiratory distress syndrome (PARDS), there is a lack of robust supporting data and variable adherence in clinical practice. This study evaluates the impact of an LPMV protocol vs. standard care and adherence to LPMV elements on mortality. We hypothesized that LPMV strategies deployed as a pragmatic protocol reduces mortality in PARDS. DESIGN: Multicenter prospective before-and-after comparison design study. SETTING: Twenty-one PICUs. PATIENTS: Patients fulfilled the Pediatric Acute Lung Injury Consensus Conference 2015 definition of PARDS and were on invasive mechanical ventilation. INTERVENTIONS: The LPMV protocol included a limit on peak inspiratory pressure (PIP), delta/driving pressure (DP), tidal volume, positive end-expiratory pressure (PEEP) to Fio2 combinations of the low PEEP acute respiratory distress syndrome network table, permissive hypercarbia, and conservative oxygen targets. MEASUREMENTS AND MAIN RESULTS: There were 285 of 693 (41·1%) and 408 of 693 (58·9%) patients treated with and without the LPMV protocol, respectively. Median age and oxygenation index was 1.5 years (0.4-5.3 yr) and 10.9 years (7.0-18.6 yr), respectively. There was no difference in 60-day mortality between LPMV and non-LPMV protocol groups (65/285 [22.8%] vs. 115/406 [28.3%]; p = 0.104). However, total adherence score did improve in the LPMV compared to non-LPMV group (57.1 [40.0-66.7] vs. 47.6 [31.0-58.3]; p < 0·001). After adjusting for confounders, adherence to LPMV strategies (adjusted hazard ratio, 0.98; 95% CI, 0.97-0.99; p = 0.004) but not the LPMV protocol itself was associated with a reduced risk of 60-day mortality. Adherence to PIP, DP, and PEEP/Fio2 combinations were associated with reduced mortality. CONCLUSIONS: Adherence to LPMV elements over the first week of PARDS was associated with reduced mortality. Future work is needed to improve implementation of LPMV in order to improve adherence.

Original languageEnglish
Pages (from-to)1602-1611
Number of pages10
JournalCritical Care Medicine
Volume52
Issue number10
DOIs
Publication statusPublished - Oct 2024
Publication typeA1 Journal article-refereed

Funding

This study was funded by the Pediatric Academic Clinical Program/Tan Cheng Lim (grant number: PAEDSACP-TCL/2020/RES/001, principal investigator to Dr. Wong). Dr. Wong\u2019s institution received funding from the Pediatric Academic Clinical Program/Nurturing Clinician Scientist Scheme (2020), the National Medical Research Council (NMRC) Research Training Fellowship (FLWP20nov_0002), and the Academy of Medicine Malaysia. Drs. Wong\u2019s and Lee\u2019s institutions received funding from the NMRC Singapore. Dr. Pon disclosed government work. Dr. Hon\u2019s institution received funding from the Health and Medical Research Fund. Dr. Jan Hau Lee\u2019s institution received funding from the Thrasher foundation. The remaining authors have disclosed that they do not have any potential conflicts of interest.

FundersFunder number
Pediatric Academic Clinical Program
Health and Medical Research Fund
Academy of Medicine Malaysia
Thrasher Research Fund
Tan Cheng LimPAEDSACP-TCL/2020/RES/001
National Medical Research CouncilFLWP20nov_0002

    Keywords

    • acute lung injury
    • artificial ventilation
    • children
    • mortality
    • pediatric intensive care units

    Publication forum classification

    • Publication forum level 2

    ASJC Scopus subject areas

    • Critical Care and Intensive Care Medicine

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