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Clinical Trial Summary

The objective of the present study is to investigate accuracy of changes in cardiac output following passive leg raising as estimated by transthoracic ultrasound as method to predict fluid responsiveness and compare that to changes in cardiac output following PLR as estimated by calibrated pulse contour analysis as method to predict fluid responsiveness in patients with septic shock.


Clinical Trial Description

One method to predict fluid responsiveness is to increase preload by transferring blood from the lower extremities to the central compartment through a passive leg raising (PLR) maneuver and then measure the resulting change in cardiac output. It was recently suggested that an increase in cardiac output following PLR had a high accuracy compared other methods to test fluid responsiveness. Different methods to estimate change in cardiac output have been used in studies investigating accuracy of PLR. Most commonly calibrated pulse contour analysis has been used in mechanically ventilated patients whereas transthoracic echocardiography (TTE)has been used in spontaneously breathing patients. While TTE offers the advantage of being less invasive than calibrated pulse contour analysis it is technically challenging and user dependent and the accuracy of the two methods has not been compared. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03621449
Study type Observational
Source Region Skane
Contact
Status Withdrawn
Phase
Start date September 1, 2021
Completion date December 30, 2022

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