Prolonged Mechanical Ventilation in Children: Review of the Definition

José Colleti1,2, Rafael Teixeira Azevedo3, Felipe Rezende de Oliveira Caino2

  • 1Department of Pediatrics, Hospital Assunção Rede D'Or São Luiz, S.B. do Campo, São Paulo, Brazil.

Insights

Defining prolonged mechanical ventilation in children is challenging due to varied definitions, ranging from 48 hours to 6 months. A consensus definition for pediatric prolonged mechanical ventilation is needed.

Area of Science:

  • Pediatric critical care medicine
  • Respiratory physiology
  • Medical informatics

Background:

  • Prolonged mechanical ventilation (PMV) is a critical intervention for pediatric patients with respiratory failure.
  • Existing literature lacks a standardized definition for PMV in children, leading to inconsistencies in research and clinical practice.

Purpose of the Study:

  • To systematically review and analyze the diverse definitions of prolonged mechanical ventilation currently used in pediatric literature.
  • To identify the most common definitions and highlight the need for a unified consensus definition.

Main Methods:

  • A comprehensive literature search was conducted across PubMed, Embase, and Cochrane Library databases.
  • Original research articles on pediatric PMV were identified and analyzed following Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines.
  • Extracted data included patient characteristics, ventilation duration, outcomes, and complications.

Main Results:

  • Thirty articles were included in the qualitative analysis, revealing a wide spectrum of PMV definitions, from 48 hours to 6 months.
  • The most frequently cited durations for PMV were greater than 7 days, greater than 14 days, and greater than 21 days.
  • No high-quality evidence supported a specific definition for PMV in the pediatric population.

Conclusions:

  • The current evidence base is insufficient to establish a definitive definition for pediatric prolonged mechanical ventilation.
  • The significant variability in definitions underscores an urgent need for a consensus definition to standardize research and clinical management.
  • Developing a consensus definition will improve comparability of studies and guide best practices in pediatric respiratory care.
Abstract

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