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Neurally adjusted ventilatory assist in children: an observational study
Jan A Bengtsson1, Karl Erik Edberg
1Department of Pediatric Intensive Care, The Queen Silvia Children's Hospital, Göteborg, Sweden. jan.a.bengtsson@vgregion.se
Summary
Neurally adjusted ventilatory assist (NAVA) is safe and effective for pediatric patients, potentially improving synchrony and leading to earlier extubation. This advanced ventilation method shows promise in critical care settings.
Area of Science:
- Pediatric Critical Care Medicine
- Respiratory Physiology
- Mechanical Ventilation Technology
Background:
- Mechanical ventilation is crucial for critically ill infants and children.
- Optimizing patient-ventilator synchrony is essential for improving outcomes.
- Neurally adjusted ventilatory assist (NAVA) offers a novel approach to ventilator control.
Purpose of the Study:
- To evaluate the patient safety of neurally adjusted ventilatory assist (NAVA) in pediatric patients.
- To assess operator acceptance and usability of the NAVA technology.
- To compare NAVA with conventional pressure-support ventilation in infants and children.
Main Methods:
- A within-patient crossover study was conducted in a pediatric intensive care unit.
- Twenty-one mechanically ventilated infants and children (2 days to 15 years) participated.
- Patients received both pressure-support ventilation and NAVA, with diaphragm electrical activity guiding ventilator support.
Main Results:
- No serious adverse events were reported; patients remained stable.
- NAVA catheter placement was straightforward.
- Peak airway pressures decreased with NAVA compared to pressure-support ventilation.
- Improved patient-ventilator synchrony was observed, with neural triggering superior to pneumatic triggering.
- Eight patients were extubated shortly after NAVA treatment.
Conclusions:
- Neurally adjusted ventilatory assist (NAVA) is a safe and potentially effective ventilation mode for pediatric patients.
- NAVA may enhance patient-ventilator synchrony and reduce airway pressures.
- The technology holds promise for facilitating earlier extubation in critically ill children.
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