Abstract
The use of esophageal balloon catheter to estimate pleural pressure has gained renewed popularity in recent years. Indeed, measurement of transpulmonary pressure may allow a more pathophysiological-based approach to ventilator strategy in ARDS patients. Nevertheless it is well known that esophageal balloon catheter derived parameters can be influenced by several patient-related or technical-related factors.
Highlights
The use of esophageal balloon catheter to estimate pleural pressure has gained renewed popularity in recent years
Effect of positive end-expiratory pressure (PEEP) on derived parameters was assessed by comparing at PEEP medium and high values obtained at the VCLPEEP against values obtained with the optimal VC at each PEEP
Optimal calibration volumes progressively raised with increasing PEEP (0.95 ± 0.14 ml, 1.1 ± 0,18 ml, 1.22 ± 0.2 ml respectively for lowPEEP, mediumPEEP and highPEEP; p< 0.001)
Summary
The use of esophageal balloon catheter to estimate pleural pressure has gained renewed popularity in recent years. Measurement of transpulmonary pressure may allow a more pathophysiological-based approach to ventilator strategy in ARDS patients. It is well known that esophageal balloon catheter derived parameters can be influenced by several patient-related or technical-related factors
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