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This is a pilot study to investigate whether patients at advanced age are fluid responders via a reversible fluid challenge, the passive leg raise test. This will be measured with a non-invasive cardiac output monitor, the LiDCO (LiDCO Hemodynamic monitoring) .
The intervention is as simple as a passive leg raise with measurement of effect on Stroke volume.
Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic
Passive leg raise
Karolinska University Hospital
Published on BioPortfolio: 2016-12-01T16:08:22-0500
The investigators wish to determine whether passive leg raise allows for easier peripheral vascular access in the pediatric population. The investigators hypothesize that pediatric anesthe...
Difficulties in the accurate assessment of intravascular volume in critically ill patients are frequently encountered. In addition to clinical evaluation, bedside echocardiographic measure...
Purpose: Fluid responsiveness in a context of circulatory failure can be predicted by different way. Dynamic criteria such as pulse pressure variation, stroke volume variation during an ...
To overcome the limited accuracy of functional hemodynamic parameters such as stroke volume and pulse pressure variation (SVV and PPV) during spontaneous breathing, a Passive Leg Raising (...
Evaluation of electrical impedance tomography to non-invasively monitor stroke volume when compared to reference measurements performed via right heart thermodilution
Corrected carotid systolic flow time (CFTc) has been proposed as a measure of volume status in acutely ill patients. This study endeavors to determine whether the change in CFTc with passive leg raise...
Hypovolemia decreases preload and cardiac stroke volume. Cardiac stroke volume (SV) and its variability (cardiac stroke volume variability, SVV) have been proposed as clinical tools for detection of a...
We aimed to predict volume responsiveness and to assess the diagnostic accuracy of carotid flow time (FTc) with the change in hydration status before and after a passive leg raise (PLR) maneuver.
Lung recruitment maneuver induces a decrease in stroke volume, which is more pronounced in hypovolemic patients. The authors hypothesized that the magnitude of stroke volume reduction through lung rec...
Stroke volume variation and pulse pressure variation do not reliably predict fluid responsiveness during low tidal volume ventilation. We hypothesized that with transient increase in tidal volume from...
The volume of BLOOD passing through the HEART per unit of time. It is usually expressed as liters (volume) per minute so as not to be confused with STROKE VOLUME (volume per beat).
The volume of the HEART, usually relating to the volume of BLOOD contained within it at various periods of the cardiac cycle. The amount of blood ejected from a ventricle at each beat is STROKE VOLUME.
The amount of BLOOD pumped out of the HEART per beat not to be confused with cardiac output (volume/time).
A type of impedance plethysmography in which bioelectrical impedance is measured between electrodes positioned around the neck and around the lower thorax. It is used principally to calculate stroke volume and cardiac volume, but it is also related to myocardial contractility, thoracic fluid content, and circulation to the extremities.
The volume of air contained in the lungs at the end of a maximal inspiration. It is the equivalent to each of the following sums: VITAL CAPACITY plus RESIDUAL VOLUME; INSPIRATORY CAPACITY plus FUNCTIONAL RESIDUAL CAPACITY; TIDAL VOLUME plus INSPIRATORY RESERVE VOLUME plus functional residual capacity; or tidal volume plus inspiratory reserve volume plus EXPIRATORY RESERVE VOLUME plus residual volume.
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