Ignite Creation Date:
2025-12-24 @ 5:55 PM
Ignite Modification Date:
2025-12-24 @ 5:55 PM
Study NCT ID:
NCT06582368
Status:
COMPLETED
Last Update Posted:
2024-09-19
First Post:
2024-08-30
Is Possible Gene Therapy:
False
Has Adverse Events:
False
Brief Title:
Determinants of Portal Vein Pulsatility Index
Sponsor:
Institutul de Urgenţă pentru Boli Cardiovasculare Prof.Dr. C.C. Iliescu
Organization:
Study Overview
Official Title:
Determinants of Portal Vein Pulsatility Index: An Observational Study
Status:
COMPLETED
Status Verified Date:
2024-09
Last Known Status:
None
Delayed Posting:
No
If Stopped, Why?:
Not Stopped
Has Expanded Access:
False
If Expanded Access, NCT#:
N/A
Has Expanded Access, NCT# Status:
N/A
Acronym:
None
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.
Detailed Description:
The pulsatile pattern of the portal vein has been recognized as a potential marker of right ventricular dysfunction, reflecting altered hemodynamics in the venous system. However, the role of volemia, or the volume status of a patient, might also significantly influence this pulsatility, complicating the interpretation of portal vein flow patterns. The distinct and combined effects of right ventricular dysfunction and volemia on portal vein pulsatility are still subjects of ongoing debate. Right ventricular dysfunction itself can arise from multiple mechanisms, including primary diastolic dysfunction, where the ventricle has impaired filling and relaxation, or systolic dysfunction, characterized by reduced contractility and ejection capacity. Understanding whether diastolic or systolic dysfunction plays a predominant role in altering portal vein pulsatility is crucial, as these nuances have important implications for accurately identifying the determinants of portal vein pulsatility index and tailoring appropriate clinical interventions.
Study Oversight
Has Oversight DMC:
True
Is a FDA Regulated Drug?:
False
Is a FDA Regulated Device?:
False
Is an Unapproved Device?:
None
Is a PPSD?:
None
Is a US Export?:
None
Is an FDA AA801 Violation?: