Related Experiment Videos
Inhaled nitric oxide in burn patients with respiratory failure
R L Sheridan1, W E Hurford, R M Kacmarek
1Surgical Service, Massachusetts General Hospital, Boston, USA.
The Journal of Trauma
|April 1, 1997
Summary
Inhaled nitric oxide (NO) improved oxygenation and reduced pulmonary artery pressure in burn patients with severe respiratory failure. This treatment showed potential for recovery, warranting further investigation in controlled trials.
Area of Science:
- Critical Care Medicine
- Pulmonary Medicine
- Burn Management
Background:
- Severe respiratory failure in burn patients presents significant challenges.
- Conventional management may be insufficient for profound cases.
- Inhaled nitric oxide (NO) is explored for its potential to improve gas exchange and hemodynamics.
Purpose of the Study:
- To evaluate the safety and efficacy of inhaled NO in burn patients with severe respiratory failure.
- To assess the impact of inhaled NO on ventilation/perfusion matching and pulmonary artery pressure.
Main Methods:
- Eight burn patients with inhalation injury and respiratory failure received inhaled NO at 20 ppm.
- Patients had failed conventional management, indicated by a low Pao2/FiO2 ratio (PFR).
Main Results:
- Immediate mean increase in PFR by 10% and decrease in pulmonary artery mean pressure by 7.8%.
- At 24 hours, average PFR improvement was 28% and pulmonary artery mean pressure decrease was 7.7%.
- No hypotension attributed to NO; maximum methemoglobin levels averaged 0.9%.
Conclusions:
- Inhaled NO can be safely administered to selected burn patients with severe respiratory failure.
- Improvements in PFR and pulmonary artery pressure may correlate with recovery.
- Further controlled studies are needed to establish general use.