Assessing venous congestion in ICU patients on mechanical ventilation

Hepatic Doppler to Assess Venous Congestion During Invasive Mechanical Ventilation

Observational University Hospital, Brest · NCT06914336

This study is testing how well a special ultrasound can help doctors understand and manage blood flow issues in ICU patients on breathing machines.

Quick facts

Study typeObservational
Enrollment100 (estimated)
Ages18 Years and up
SexAll
SponsorUniversity Hospital, Brest Academic / other
Locations1 site (Brest)
Trial IDNCT06914336 on ClinicalTrials.gov

What this trial studies

This observational study aims to evaluate venous congestion in ICU patients who are undergoing invasive mechanical ventilation by using hepatic vein Doppler ultrasound. The primary focus is to measure the systolic to diastolic hepatic vein velocity ratio (S/D) and to explore its correlation with various indicators of congestion. By analyzing these relationships, the study seeks to enhance understanding of venous congestion in critically ill patients and improve management strategies.

Who should consider this trial

Good fit: Ideal candidates for this study are ICU patients who have been intubated for more than 24 hours.

Not a fit: Patients with chronic end-stage renal disease, atrial fibrillation, cirrhosis, portal thrombosis, or those who refuse to participate will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to better monitoring and management of venous congestion in ICU patients, potentially improving patient outcomes.

How similar studies have performed: While this approach is novel in its specific application, similar studies using Doppler ultrasound for assessing venous congestion have shown promise in other contexts.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* intubated for more than 24 hours

Exclusion Criteria:

* Chronic end-stage renal disease on admission
* Atrial Fibrillation
* Cirrhosis
* Portal thrombosis
* Refusal to participate
* non-opposition could not be obtained from themselves or their trusted support person in the event of incapacity
* Under legal protection.

Where this trial is running

Brest

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Congestion, Venous
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.