Clinical trial Recruiting at 1 site Interventional Ages 18 and up

Using ultrasound to prevent and treat kidney injury after heart surgery

Official title: Prevention and Treatment of Acute Kidney Injury After Cardiac Surgery Guided by Combined Cardiac and Splanchnic Sonographic Assessment

Run by Onassis Cardiac Surgery Centre · NCT06972082 · Data updated 2026-11-12

This study is testing if using ultrasound to check for fluid buildup in the liver and kidneys can help prevent and treat kidney problems after heart surgery.

More Acute Kidney Injury trials

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment304 (estimated)
SponsorOnassis Cardiac Surgery Centre
Academic / other
Locations1 site (Athens, Kallithea)
StatusRecruiting
StartedJune 29, 2023
Main results expectedJune 30, 2025
Study endsOctober 2025
Registry record updatedMay 14, 2025
Trial IDNCT06972082 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are patients in the Cardiac Surgery ICU who develop acute kidney injury within 48 hours of cardiac surgery.

Probably not a fit

Patients with severe chronic renal failure, liver cirrhosis, or critical preoperative conditions may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial aims to determine if ultrasound evaluation of venous congestion in the liver and kidneys can guide treatment to prevent and manage acute kidney injury (AKI) following cardiac surgery. Participants will either receive the ultrasound-guided treatment or a placebo, with fluid management based on the Venous Excess Ultrasound Score (VEXUS). Kidney function will be monitored daily for seven days post-surgery, and data will be collected for statistical analysis to assess the effectiveness of this approach compared to standard care.

Why it matters

Potential benefit: If successful, this approach could significantly reduce the incidence of acute kidney injury in patients undergoing cardiac surgery.

How similar studies have gone: While the use of ultrasound in this context is innovative, similar studies have shown promise in managing fluid balance and kidney function in surgical patients.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients in the Cardiac Surgery ICU who develop acute kidney injury according to KDIGO criteria, within 48 hours of ICU admission after cardiac surgery
* Elective and non-elective cardiac surgery.

Exclusion Criteria:

* Patient refusal
* Severe chronic renal failure (GFR\<15 mL/min/m2 or on hemodialysis).
* Critical preoperative condition (severe cardiogenic shock, resuscitated cardiac arrest, support with mechanical circulatory assist devices).
* Liver cirrhosis or inferior vena cava obstruction.
* Pregnancy.
* Morbid obesity (BMI\>40 kg/m2).
* Delirium or other condition that prevents the performance of an ultrasound study.

Where it's running

  • Onassis Cardiac Surgery Center
    Athens, Kallithea, Greece
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.