- Poster presentation
- Open Access
Relation between ventilatory pressures and intra-abdominal pressure
© BioMed Central Ltd 2008
- Published: 13 March 2008
- Compartment Syndrome
- Abdominal Compartment Syndrome
- Intrathoracic Pressure
- Plateau Pressure
- Pressure Method
The intra-abdominal pressure (IAP) may increase in critically ill ventilated patients inducing abdominal compartment syndrome with irreversible intra-abdominal organ ischemia. Increases in positive end-expiratory pressure (PEEP) induce an increase in plateau pressure (Pplat) and in intrathoracic pressure, which lead to hemodynamic changes and may also increase IAP by pressure transmission through the diaphragm. The aim of this study was to evaluate the relation between Pplat changes induced by PEEP and IAP.
Twenty-seven patients (22 males, five females) were included with a mean age of 58.2 years. The overall relation between Pplat and IAP was significant (r2 = 0.143, P < 0.001).
Our study shows that ventilatory pressure is a factor of the increase in IAP. In patients with high risk of intra-abdominal hypertension, therefore, IAP monitoring using a vesical pressure method may be useful before and after each PEEP adjustment.
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