Lomelí TJM, Poblano MM, Leco RJS, Jiménez F, Tendillo F, Magdaleno LG, Deloya TE, Martínez MJJ

Language: Spanish
References: 22
Page: 91-98
PDF size: 96.70 Kb.

ABSTRACT

Introduction: Increased intra-abdominal pressure is common in intensive care patients. One method to assess the impact in the lungs is the volumetric capnography, this method allows to evaluate the alveolar ventilation and dead space.
Objectives: To analyze the relation of alveolar ventilation by volumetric capnography with different degrees of intra-abdominal hypertension in a porcine model.
Material and methods: We used three porcine models, in which intra-abdominal pressure increase was induced with saline solution, alveolar ventilation was measured through volumetric capnography with different degrees of intra-abdominal hypertension.
Results: Three models were tested, in which it was determined an average initial intraabdominal pressure 3 mmHg, initiating gradual increase in intraabdominal pressure, 114 measurements were obtained of alveolar ventilation. With the increase in intraabdominal pressure we observed gradual decrease in alveolar ventilation and increase in dead space.
Conclusions: The increase intraabdominal pressure above that corresponding to Grade 3 and up intraabdominal hypertension WSCAS, conditions decrease in alveolar ventilation obtained by volumetric capnography.

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