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ISSN 2448-8909 (Print)

2010, Number 2

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Med Crit 2010; 24 (2)

Intraabdominal pressure changes secondary to PEEP for ARDS

Montes OSMA, Rodríguez RJ, Padua GMAX, Aguirre SJ, Poblano MM, Olvera GCI, Franco GJ

Language: Spanish
References: 12
Page: 72-78
PDF size: 67.54 Kb.


ABSTRACT

Introduction: The abdominal compartment syndrome, elevated intraabdominal pressure (IAP) + organ failure, increases airway pressures during mechanical ventilation (MV). PEEP/MV can be risk factors to develop it. It is not known how much PEEP (intrathoracic pressure) modifies the IAP.
Objective: To determine if IAP changes after PEEP in ARDS patients.
Methods: In severe ARDS (PaO2/FiO2 ≤ 150 mmHg) patients, IAP was measured (AbViser®) in different PEEP levels (0, 5, 10, 15 y 20 cmH2O).
Results: 30 patients with ARDS were included, 17 of pulmonary origin and 13 of extrapulmonary origin. The compliance increased when PEEP was raised from 0-20 cmH2O, but did not correlated with IAP increment. Pulmonary pressures (peak, plateau and mean), correlated with IAP if PEEP ›10 cmH2O, specifically in pulmonary ARDS.
Conclusions: IAP must be measured when PEEP is higher than 10 cmH2O and ARDS has a pulmonary origin.


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