Techniques for Assessment of Intravascular Volume in Critically Ill Patients

Abstract

Fluid replacement is considered the cornerstone of resuscitation in the ICU. However, only about 50% of critically ill hemodynamically unstable patients are fluid responsive; furthermore, both under-resuscitation and overzealous fluid administration adversely affect outcome Consequently, the resuscitation of critically ill patients requires an accurate assessment of the patients’ intravascular volume status and their volume responsiveness. This paper reviews the evolution and accuracy of methods for assessing fluid responsiveness in critically ill patients.

Keywords

CVP PAOP pulse pressure variation stroke volume variation pulse contour analysis heart— lung interactions fluid responsiveness preload stroke volume fluid therapy hemodynamic monitoring critical care echocardiography ICU

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