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Clinical Trial Summary

For patients with a condition called acute respiratory distress syndrome (ARDS), managing their fluid levels to achieve a negative balance helps to improve their outcomes. In the past, patients' fluid levels were monitored with central lines placed into the bloodstream. However, most patients are now managed without central lines. A device called a NICOM (noninvasive cardiac output monitor) which monitors patients' heart function, using a few patches which are attached to their chest, may be useful in managing fluid levels without central lines. This study will compare the fluid balance in patients who are managed with typical care to the fluid balance in patients who are managed with the NICOM device.

Clinical Trial Description


Negative fluid balance in acute respiratory distress syndrome (ARDS) has been shown to improve intensive care unit (ICU) length of stay and ventilator-free days. Although protocols exist for fluid management, all require invasive hemodynamic monitoring. Despite the large evidence base supporting the use of invasive monitoring, the majority of ARDS patients are now managed without invasive central lines. A non-invasive protocol for managing fluid status in patients with ARDS has not been rigorously implemented nor studied within a randomized controlled trial.


The study objective is to compare a novel non-invasive parameter-guided protocol for fluid management to usual care. The specific aims are: 1) to compare the incidence of new or worsening renal failure, the incidence of new or worsening shock, and the incidence of new or worsening non-shock hypotension; 2) to compare the relative effectiveness of the 2 treatment groups as assessed by cumulative fluid balance over 7 days; 3) to determine if the non-invasive protocol increases the number of ventilator-free days and ICU-free days; and further, to evaluate if it decreases 60-day mortality; and 4) to document the clinical instances where treatment digression between the 2 groups occurs.


This study is a single-blinded, randomized control trial, comparing 1 treatment arm to usual care. We will treat patients with severe hypoxemic respiratory failure (including ARDS) for 7 consecutive days. Their post-study course will be monitored for a period of 60 days or until death. Patients who are randomized to the intervention group will receive fluid management strategies that are dictated by non-invasively derived (via the "NICOM" device) surrogates of cardiac preload and output. Patients who are randomized to the control group will receive standard-of-care "best practice" fluid management, as dictated by the treating physician. ;

Study Design

Related Conditions & MeSH terms

NCT number NCT02892799
Study type Interventional
Source Intermountain Health Care, Inc.
Contact Michael Lanspa, MD
Phone 801-408-5060
Status Recruiting
Phase N/A
Start date November 12, 2015
Completion date December 2020

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