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The effects of sustained inflation and post-inflation PEEP in acute respiratory distress syndrome due to pneumonia and traumatic lung contusion
Critical Care volume 9, Article number: P103 (2005)
To investigate the response to a sustained inflation (SI) and post-inflation PEEP (PI-PEEP) in acute respiratory distress syndrome (ARDS) due to pneumonia and traumatic lung contusion.
Twenty-five patients with ARDS were enrolled (pneumonia n = 13, lung contusion n = 12). During baseline ventilation, 7 ml/kg tidal volume, 12–15 breaths/min respiratory rate and an I:E ratio of 1:2 were used. SI was performed by 45 cmH2O continuous positive airway pressure for 30 s. PI-PEEP was titrated decrementally starting from 20 cmH2O in order to find the best PEEP. FiO2 was decreased under baseline ventilation. If the peak inspiratory pressure exceeded 45 cmH2O with 20 cmH2O PEEP, the PEEP was reduced by 1 cmH2O decrements. Blood gas analyses were performed at baseline, 15th minute, first hour, fourth hour and sixth hour after SI.
SI followed by high levels of PI-PEEP provided an increase in arterial oxygenation in both ARDS forms. However, this strategy was found to be more effective in improving arterial oxygenation in the lung contusion group. This finding might address the idea that physiopathology of two pulmonary insults of ARDS presents in different forms.
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Kizilirmak, S., Tugrul, S., Cakar, N. et al. The effects of sustained inflation and post-inflation PEEP in acute respiratory distress syndrome due to pneumonia and traumatic lung contusion. Crit Care 9, P103 (2005). https://doi.org/10.1186/cc3166
- Continuous Positive Airway Pressure
- Tidal Volume
- Airway Pressure
- Acute Respiratory Distress Syndrome