Title |
Non-invasive assessment of fluid responsiveness by changes in partial end-tidal CO2 pressure during a passive leg-raising maneuver
|
---|---|
Published in |
Annals of Intensive Care, March 2012
|
DOI | 10.1186/2110-5820-2-9 |
Pubmed ID | |
Authors |
Manuel Ignacio Monge García, Anselmo Gil Cano, Manuel Gracia Romero, Rocío Monterroso Pintado, Virginia Pérez Madueño, Juan Carlos Díaz Monrové |
Abstract |
The passive leg-raising (PLR) maneuver provides a dynamic assessment of fluid responsiveness inducing a reversible increase in cardiac preload. Since its effects are sudden and transitory, a continuous cardiac output (CO) monitoring is required to appropriately assess the hemodynamic response of PLR. On the other hand, changes in partial end-tidal CO2 pressure (PETCO2) have been demonstrated to be tightly correlated with changes in CO during constant ventilation and stable tissue CO2 production (VCO2). In this study we tested the hypothesis that, assuming a constant VCO2 and under fixed ventilation, PETCO2 can track changes in CO induced by PLR and can be used to predict fluid responsiveness. |
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