Determinants of Portal Vein Pulsatility Index
1 other identifier
observational
60
1 country
1
Brief Summary
The pulsatile pattern of the portal vein is considered a marker of right ventricular dysfunction, but volemia may also contribute to this phenomenon. The separate influence of each factor remains debated, as the interplay between right ventricular dysfunction and volume status is complex. Additionally, right ventricular dysfunction can originate from either diastolic or systolic dysfunction, further complicating the understanding of their distinct impacts on portal vein pulsatility.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for all trials
Started May 2023
1 active site
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Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
May 1, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 1, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
August 1, 2024
CompletedFirst Submitted
Initial submission to the registry
August 30, 2024
CompletedFirst Posted
Study publicly available on registry
September 3, 2024
CompletedSeptember 19, 2024
September 1, 2024
1.2 years
August 30, 2024
September 5, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Fluid Intolerance
A portal vein pulsatility index greater than 50%, calculated as (Vmax - Vmin) / Vmax, with no upper limit and 0% as the minimum limit. Higher values indicate worse outcomes. Ultrasonographic portal spectral waveform was used to measure Vmax and Vmin.
Within the first six hours of admission to the intensive care unit (simultaneously with other measures).
Secondary Outcomes (2)
Volemia
Within the first six hours of admission to the intensive care unit (simultaneously with other measures).
Right Ventricular Dysfunction
Within the first six hours of admission to the intensive care unit (simultaneously with other measures).
Study Arms (1)
Cardiac Surgery Patients
Mechanically ventilated postoperative adult patients after cardiac surgery within 6 hours after intensive care unit admission.
Eligibility Criteria
Mechanically ventilated postoperative adult patients after cardiac surgery within 6 hours after intensive care unit admission.
You may qualify if:
- Informed consent.
- Mechanically ventilated patients within 6 hours after ICU admission following surgery who are considered for fluid administration to optimize haemodynamics.
- Sinus rhythm.
You may not qualify if:
- A condition known to interfere with portal vein flow assessment or interpretation (liver cirrhosis or chronic hepatic disease, suprahepatic or portal vein thrombosis).
- Any mechanical circulatory support.
- Cardiac transplant.
- Poor transthoracic echocardiographic window.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
"Prof CC Iliescu" Emergency Institue for Cardiovascular Diseases
Bucharest, 022328, Romania
Related Publications (2)
Parkin WG, Leaning MS. Therapeutic control of the circulation. J Clin Monit Comput. 2008 Dec;22(6):391-400. doi: 10.1007/s10877-008-9147-7. Epub 2008 Nov 12.
PMID: 19002596BACKGROUNDUtrilla-Alvarez JD, Gopar-Nieto R, Garcia-Cruz E, Lazcano-Diaz E, Jimenez-Rodriguez GM, Rojas-Velasco G, Manzur-Sandoval D. Assessing the venous system: Correlation of mean systemic filling pressure with the venous excess ultrasound grading system in cardiac surgery. Echocardiography. 2023 Nov;40(11):1216-1226. doi: 10.1111/echo.15697. Epub 2023 Sep 23.
PMID: 37742087BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Serban-Ion Bubenek-Turconi, Professor
"Prof CC Iliescu" Emergency Institue for Cardiovascular Diseases
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Principal Investigator
Study Record Dates
First Submitted
August 30, 2024
First Posted
September 3, 2024
Study Start
May 1, 2023
Primary Completion
July 1, 2024
Study Completion
August 1, 2024
Last Updated
September 19, 2024
Record last verified: 2024-09