- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02661269
Relation Between the Increase of Peripheral Edema by Fluid Therapy and the Decrease in Microcirculatory Vesseldensity
Can videomicroscopy of the sublingual microcirculation detect the increase in edema before peripheral edema will appear? By measuring the decrease in vesseldensity after strong positive fluid balances within septic patients versus euvolemic post-cardiac surgery patients. Measuring reactance and resistance (BIVA method) to determine volume status.
Primary outcome:
- Total vessel density (TVD)
Secondary outcome:
- Fluid balance
- BIVA measurements (reactance & resistance)
Study Overview
Status
Intervention / Treatment
Detailed Description
There are a lot of methods to determine if a patient is fluid-responsive, however a moment to stop fluid therapy is lacking. So the purpose of this study is to find a 'stop' moment for fluid therapy before peripheral edema will be present.
With sublingual measurements of the vessel density with the Cytocam-IDF, comparing the septic patients with fluid overload , euvolemic post-cardiac surgery patients at the arrival on the ICU and healthy volunteers we can determine if there is a decrease in vessel density during fluid loading.
To give a accurate view on fluid overload we include a bio-impedance measurement of reactance and resistance. Fluid balances are recorded very accurate by our electronic patient record.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
-
-
Friesland
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Leeuwarden, Friesland, Netherlands, 8901 BR
- Medical Centre Leeuwarden
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- after cardiac surgery
- septic patient with a fluid balance of 4L +
Exclusion Criteria:
- recent maxillofacial surgery
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Septic patients
Septic patients with fluid overload (fluid balance + 4 L)
|
Measuring total vessel density with the Cytocam-IDF camera.
measuring resistance and reactance with the BIVA method.
|
Post-cardiac surgery patients
Patients after cardiac surgery, at arrival on ICU.
|
Measuring total vessel density with the Cytocam-IDF camera.
measuring resistance and reactance with the BIVA method.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Difference in vessel density (mm/mm2) of the sublingual microcirculation between the two groups.
Time Frame: Cardiac surgery within 4 hours of ICU admittance, 1 offline total vessel density measurement, Septic patients +/- third day of ICU admittance, 1 offline total vessel density measurement.
|
With the Cytocam-IDF we make movies off the sublingual microcirculation for 6 seconds on 3 different spots, with offline analysis we calculate a mean total vessel density (total surface of vessels divided by total area surface). The cardiac surgery group will be measured within 4 hours of admittance on the ICU. The septic patients group will be measured on the moment that the highest fluid balance during the ICU stay, so on the moment that there will be started with diuretics of renal replacement therapy to induce a negative fluid balance. |
Cardiac surgery within 4 hours of ICU admittance, 1 offline total vessel density measurement, Septic patients +/- third day of ICU admittance, 1 offline total vessel density measurement.
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
The correlation between a increasing fluid balance and the total vessel density in both groups separately.
Time Frame: The cumulative fluidbalance (L) will be noted at the same moment as the microcirculation movies are made, this will be the cumulative fluid balance as measured on the ICU.
|
The cumulative fluidbalance (L) will be noted at the same moment as the microcirculation movies are made, this will be the cumulative fluid balance as measured on the ICU.
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: E.C. Boerma, MD-PhD, Medical Centre Leeuwarden
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- nWMO 127
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