Association Between Tidal Volumes Adjusted for Ideal Body Weight and Outcomes in Pediatric Acute Respiratory Distress Syndrome*

Objectives: The impact of tidal volume on outcomes in mechanically ventilated children with pediatric acute respiratory distress syndrome remains unclear. To date, observational investigations have failed to calculate tidal volume based on standardized corrections of weight. We investigated the impact of tidal volume on mortality and probability of extubation in pediatric acute respiratory distress syndrome using ideal body weight–adjusted tidal volume. Design: Retrospective analysis of an ongoing prospective cohort of pediatric acute respiratory distress syndrome patients. Tidal volume was calculated based on actual body weight and two different formulations of ideal body weight. Setting: PICU at a large, tertiary care children’s hospital. Patients: Pediatric acute respiratory distress syndrome patients on conventional ventilation with a documented height or length. Interventions: None. Measurements and Main Results: There were 483 patients with a measured height or length at pediatric acute respiratory distress syndrome onset included in the final analysis, with 73 nonsurvivors (15%). At 24 hours, there remained 400 patients on conventional ventilation. When calculating tidal volume based on ideal body weight by either method, volumes were larger both at onset and at 24 hours compared with tidal volume based on actual body weight (all p
Source: Pediatric Critical Care Medicine - Category: Pediatrics Tags: Online Clinical Investigations Source Type: research

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