Chest Physiotherapy for Mechanically Ventilated Children: A Systematic Review
Emma Shkurka1, Jo Wray2, Mark Peters3
1Physiotherapy Department, Hospital for Children NHS Foundation Trust, London, United Kingdom.
Insights
Chest physiotherapy in mechanically ventilated children shows mixed results. While some techniques slightly alter oxygen saturation and tidal volume, evidence remains inconclusive, necessitating further high-quality research.
Area of Science:
- Pediatric Critical Care Medicine
- Respiratory Therapy
- Evidence-Based Practice
Background:
- Mechanical ventilation is a critical intervention for critically ill children.
- Chest physiotherapy is frequently employed to improve respiratory outcomes in these patients.
- The effectiveness and safety of various chest physiotherapy techniques require thorough evaluation.
Purpose of the Study:
- To systematically review and appraise the effects of chest physiotherapy in pediatric patients requiring mechanical ventilation.
- To summarize evidence on the effectiveness and safety of chest physiotherapy interventions.
Main Methods:
- A systematic review was conducted using major medical databases (Medline, Embase, Cinahl Plus, PEDro, Web of Science) up to February 2021.
- Included studies focused on children (0-18 years) in pediatric intensive care units receiving mechanical ventilation and physiotherapy.
- Quality assessment used Cochrane risk of bias and Critical Appraisal Skills Program tools.
Main Results:
- Oxygen saturations showed non-clinically significant decreases with manual hyperinflations (MHI) and chest wall vibrations (CWV), and non-significant improvements with the expiratory flow increase technique.
- Expiratory tidal volume increased 30 minutes post-MHI and CWV, with no sustained change after recruitment maneuvers.
- Atelectasis scores improved with intrapulmonary percussive ventilation, MHI, and CWV, but respiratory compliance and dead-space increased post-MHI and CWV.
Conclusions:
- Current evidence supporting chest physiotherapy in mechanically ventilated children is inconclusive due to a lack of high-quality studies and heterogeneity in interventions and populations.
- Further research is needed to investigate the impact of multiple physiotherapy interventions on short- and long-term outcomes.
Abstract:
The aim of this study was to appraise and summarize the effects of chest physiotherapy in mechanically ventilated children. A systematic review was completed by searching Medline, Embase, Cinahl Plus, PEDro, and Web of Science from inception to February 9, 2021. Studies investigating chest physiotherapy for mechanically ventilated children (0-18 years), in a pediatric intensive care unit were included. Chest physiotherapy was defined as any intervention performed by a qualified physiotherapist. Measurements of effectiveness and safety were included. Exclusion criteria included preterm infants, children requiring noninvasive ventilation, and those in a nonacute setting. Thirteen studies met the inclusion criteria: two randomized controlled trials, three randomized crossover trials, and eight observational studies. The Cochrane risk of bias and the Critical Appraisal Skills Program tools were used for quality assessment. Oxygen saturations decreased after physiotherapy involving manual hyperinflations (MHI) and chest wall vibrations (CWV). Although statistically significant, these results were not of clinical importance. In contrast, oxygen saturations improved after the expiratory flow increase technique; however, this was not clinically significant. An increase in expiratory tidal volume was demonstrated 30 minutes after MHI and CWV. There was no sustained change in tidal volume following a physiotherapy-led recruitment maneuver. Respiratory compliance and dead-space increased immediately after MHI and CWV. Atelectasis scores improved following intrapulmonary percussive ventilation, and MHI and CWV. Evidence to support chest physiotherapy in ventilated children remains inconclusive. There are few high-quality studies, with heterogeneity in interventions and populations. Future studies are required to investigate multiple physiotherapy interventions and the impact on long-term outcomes.
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