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Evaluation of the Association Between the VEXUS Score and Hemodynamic Status and the Occurrence of Acute Kidney Injury After Open-Heart Surgery

NCT07805564 · Status: RECRUITING · Type: OBSERVATIONAL · Enrollment: 135

Last updated 2026-09-04

No results posted yet for this study

Summary

Acute kidney injury is a common complication after cardiac surgery with cardiopulmonary bypass and is associated with prolonged intensive care unit stay, increased morbidity, and mortality. Fluid overload and venous congestion are increasingly recognized as important contributors to postoperative organ dysfunction. The VExUS score is a bedside ultrasound tool that assesses systemic venous congestion through evaluation of the inferior vena cava and Doppler flow patterns in the hepatic, portal, and intrarenal veins. Although previous studies have suggested an association between VExUS-assessed venous congestion, AKI, and adverse outcomes, evidence regarding its relationship with advanced hemodynamic parameters remains limited. This prospective observational study will enroll adult patients undergoing cardiac surgery with cardiopulmonary bypass. All patients will undergo postoperative VExUS assessment and will be followed for the development of AKI and other postoperative complications. A predefined subgroup of patients undergoing clinically indicated PiCCO monitoring will additionally be evaluated to determine the association between VExUS score and PiCCO-derived hemodynamic parameters. The findings may support the use of VExUS as a noninvasive bedside tool for assessing venous congestion and identifying patients at increased risk of postoperative organ dysfunction after cardiac surgery.

Conditions

  • Acute Kidney Injury After Open Heart Surgery
  • Venous Congestion After Open Heart Surgery

Sponsors & Collaborators

  • Hanoi Medical University

    lead OTHER

Principal Investigators

  • Tu Huu Nguyen, Prof · Hanoi Medical University

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-01-07
Primary Completion
2027-09-30
Completion
2027-12-31

Countries

  • Vietnam

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07805564 on ClinicalTrials.gov