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: No
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