- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02757118
Impact of Intravascular Fluid Resuscitation and Whole Blood Viscosity for Cardiac Surgery
Impact of Intravascular Fluid Resuscitation on Whole Blood Viscosity During Cardiac Surgery
After obtaining approval from the Institutional Review Board of our institution, written informed consent is obtained from patients undergoing cardiac surgery are enrolled in this prospective study and randomly allocated into one of two groups: Group-C (n=15) and Group-HES (n=15).
All recruited patients will be given patient identification number (PIN) for the present study of 01-30 according to their order of interview and recruitment. Investigators will prepare 15 yellow and 15 green cards, which will be inserted in 30 thick-paper envelopes. Then, all envelopes will be sealed, mixed and randomly allocated to get numbers of 01 to 30 (Envelop number). After printing the envelope number outside envelope, all sealed envelopes with cards will be conveyed to and kept in pharmacy department.
According to the color of the card, attending anesthesiologists will give crystalloid for yellow card or HES for green cards, respectively, to maintain stroke volume variation < 15 during volume controlled ventilation (8 ml/kg tidal volume) of O2/air mixture.
Patient data and statistical analyses:
Patient's data whole blood viscosity, PaO2, FiO2, Hemoglobin, urine amount, s-glucose will be determined from the patients' medical record after patient's discharge.
All statistical analyses will be performed after the 30th patient's discharge and data acquisition
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients undergoing coiling embolization procedure due to cardiac surgery
- Patients provided a written informed consent.
- Patients with preoperative serum hemoglobin concentration >13 g/dL (male) and >12 g/dL (female)
- Patients with PaO2/FiO2 ratio >150
Exclusion Criteria:
- Patients with history of anemia, dyspnea, active infection.
- Patients with endocrine disease
- Patients received or receiving intraoperative and preoperative blood salvaged, allogenic blood transfusion, anti-platelet drug, anti-fibrinolytic agents or recombinant human erythropoietin, or undergoing cardiac surgery.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: DOUBLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
PLACEBO_COMPARATOR: Intravenous Crystalloid
crystalloid is administered to maintain stroke volume variation < 15 during volume controlled ventilation (8 ml/kg tidal volume) of O2/air mixture
|
crystalloid is administered to maintain stroke volume variation < 15 during volume controlled ventilation (8 ml/kg tidal volume) of O2/air mixture
|
ACTIVE_COMPARATOR: Intravenous HES
HES is administered to maintain stroke volume variation < 15 during volume controlled ventilation (8 ml/kg tidal volume) of O2/air mixture
|
HES is administered to maintain stroke volume variation < 15 during volume controlled ventilation (8 ml/kg tidal volume) of O2/air mixture
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
whole blood viscosity
Time Frame: with 1 hour after the completion of procedure
|
with 1 hour after the completion of procedure
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
PaO2/FiO2 ratio
Time Frame: with 1 hour after the completion of procedure
|
PaO2/FiO2 ratio measured by arterial blood gas analysis
|
with 1 hour after the completion of procedure
|
hematocrit
Time Frame: with 1 hour after the completion of procedure
|
serum hematocrit, %
|
with 1 hour after the completion of procedure
|
glucose
Time Frame: with 1 hour after the completion of procedure
|
serum glucose level, g/dl
|
with 1 hour after the completion of procedure
|
osmolarity
Time Frame: with 1 hour after the completion of procedure
|
serum osmolarity, mOsm
|
with 1 hour after the completion of procedure
|
urine output
Time Frame: with 1 hour after the completion of procedure
|
hourly urine output, ml/hr
|
with 1 hour after the completion of procedure
|
Maximum clot formation
Time Frame: with 1 hour after the completion of procedure
|
Maximum clot formation in rotational thromboelastometry (ROTEM) analysis, mm
|
with 1 hour after the completion of procedure
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ESTIMATE)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- KUH000011
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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