- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04018443
The Relation Between Common Carotid Artery Diameter and Central Venous Pressure for Assessment of Intravascular Fluid Status After Major Surgeries: An Observational Study
Recently, bedside ultrasound has become an important tool for the simple and non-invasive hemodynamic assessment of critically ill patients. This applies not only to echocardiography but also to ultrasound of large extra-thoracic veins. The sonography can provide real time assessment of the vascular system and hemodynamic status at the bedside.
To our knowledge, there is one report about the association between sonographically assessed carotid artery diameter and intravascular volume, which raised recommendation for further studies including the interplay between carotid geometry and intravascular fluid status.
Aim of the study:
The aim of this work is to evaluate the accuracy of noninvasive techniques for assessment of intravascular volume status by Sonographic assessment of both the common carotid artery diameter (CCA) and the central venous pressure (CVP) in response to a bolus of crystalloid solution infusion and to find the correlation between CCA diameter and CVP as the primary outcome in adults patients after major surgeries who needs close assessment and maintenance of the intravascular volume status.
Study Overview
Status
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Locations
-
-
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Banī Suwayf, Egypt, 62511
- Recruiting
- Beni Suef
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Contact:
- Tarek Al Menesy, MD
- Phone Number: +201141434355
- Email: tarek_gada@yahoo.com
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Sub-Investigator:
- Ahmed A. BAdawy, MD
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Sub-Investigator:
- Ashraf A. Mawgood, MD
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Sub-Investigator:
- Yasmine A. Badawy, Medical Student
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Male and female patients (age 20-60 years).
- ASA physical status I and II
- Patients who are able to breathe spontaneously and lie supine.
- Patients who have CVP catheter (subclavian or internal jugular vein).
Exclusion Criteria:
- History of carotid artery surgery
- Significant cardiac disease (cardiomyopathy and/or moderate to severe valvular heart lesion).
- Significant hepatic disease (Child-Pugh score B or C ).
- Renal failure.
- Obesity: BMI ˃ 30 kg/m2
- Need for mechanical ventilation.
- Pregnancy.
- Unstable vital signs during the process of sonography (e.g. the patients on vasoactive drugs)
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
patients admitted ti surgical ICU after major surgery
patient admitted to surgical ICU after major surgery for post-operative close monitoring, assessment and resuscitation of the intravascular volume status
|
measurement of common carotid artery diameter will be carried out two times: the initial measurement (pre-infusion) which is followed by infusion of crystalloid solution (Ringer lactate) 30 ml/min till reaching a total infusion volume of 7 ml/kg body weight then another ultrasound measurement will be taken (prost-infusion).
Between these sequential measurements, the patient position will not be changed.
The percentage increase in CCA diameter will be calculated using the formula: [(dia-mpost/dia-mpre) × 100] - 100 [11].
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Common Carotid Artery diameter at expiration (millimetre)
Time Frame: 30 minutes before fluid bolus infusion
|
common carotid artery internal diameter changes songraphically measured to assess intravenous resuscitation
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30 minutes before fluid bolus infusion
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Common Carotid Artery diameter at expiration (millimetre)
Time Frame: 5 minutesafter fluid bolus infusion
|
common carotid artery internal diameter changes songraphically measured to assess intravenous resuscitation
|
5 minutesafter fluid bolus infusion
|
Central venous pressure (centimetre water)
Time Frame: 5 minutes after fluid bolus infusion
|
Central venous pressure changes measured to assess intravenous resuscitation
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5 minutes after fluid bolus infusion
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- FM-BSU REC: 007/2019
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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