Abstract
Echocardiography is a non-invasive procedure which enables full assesment of cardiac function. The inferior vena cava (IVC) is a compliant blood vessel, easily distended, especially in cases of hypovolemia. Assessment of the physiologic characteristics of the IVC provides a rapid distinction between low and high volume states and offers the clinician a rapid, noninvasive way to guide resuscitation in critically ill patients.
Highlights
Echocardiography is a non-invasive procedure which enables full assesment of cardiac function
The distensibility of inferior vena cava (dIVC) was calculate as/minimum diameter and possible responders were defined as dIVC >18%.inferior vena cava (IVC) assessment was done just proximal to the hepatic veins, which lie approximately 0.5 to 3 cm from the right atrium, following the American Society of Echocardiography guidelines
Fluid challenge was made by de maneuver of passive legs raising (PLR) that mimics a fluid challenge of 300 ml
Summary
To assess the reliability of the distensibility of inferior vena cava (dIVC),measured by ultrasound, as an indicator of fluid responsiveness in ventilated patients
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