Fluid Therapy In Critical Illness

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Fluid therapy in critical illness



Disturbances of body fluid homeostasis are common in major surgery and a range of critical illnesses including sepsis and trauma. Administering appropriate intravenous fluid is a core part of medical care during these episodes. Despite years of research, there is still widespread debate about the best dosing strategy for these fluids and the optimum fluid composition for a given clinical situation. These are still important research questions, as there are clear signs from the current literature that fluid administration strategies have the power to affect clinical outcomes in a variety of areas.

Our study of fluid therapy is being refined by recent advances in basic physiology research. In particular, our knowledge of the structure of the vascular endothelium and the way in which fluid is handled at a capillary level has recently been redeveloped. There has also been progress in pharmacokinetic modelling of the movement of exogenous fluids between the body’s fluid compartments. At the other end of the research spectrum, clinical fluid trials are becoming ever larger in an effort to address the limitations of the preceding literature, which is based predominantly on relatively small, single-centre studies.

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