Evaluation of Extravascular Lung Water Index in ARDS Patients Undergoing Veno-Venous ECMO: A Comparison of Transpulmonary Thermodilution and AI-Based Chest CT Analysis

By
Matthias Otto
David Mohr
Julia Zimmermann
Nils Rathmann
Christoph Boesing
Manfred Thiel
Joerg Krebs
Thomas Luecke
Patricia R.M. Rocco
Alice Marguerite Conrad
April 7, 2026
0 min

Bmc Pulmonary Medicine

Overview

This study compares the extravascular lung water index (EVLWI) derived from AI-based chest CT analysis with that from transpulmonary thermodilution (TPTD) in ARDS patients on veno-venous ECMO. The findings suggest that AI-based CT may provide a more accurate assessment of pulmonary edema in this population.

Background

Acute respiratory distress syndrome (ARDS) leads to significant pulmonary edema, impacting gas exchange and patient outcomes. Accurate assessment of extravascular lung water (EVLW) is critical for fluid management in ARDS patients, particularly those on veno-venous ECMO. Traditional methods like TPTD can be confounded by ECMO-related factors, highlighting the need for alternative assessment techniques.

Data Highlights

No numerical data available in the provided source material.

Key Findings

Revise to ensure accurate representation of findings and proposed correction factor.

Clinical Implications

Clinicians should consider integrating AI-based chest CT analysis for assessing pulmonary edema in ARDS patients on VV ECMO, as it may provide more reliable data than TPTD. Implementing the proposed correction factor for TPTD could further enhance fluid management strategies in this critical patient population.

Conclusion

The study underscores the potential of AI-based methods to improve the assessment of pulmonary edema in ARDS patients undergoing VV ECMO. Accurate evaluation of EVLW is crucial for effective fluid management and patient outcomes.

Evaluation of Extravascular Lung Water Index in ARDS Patients Undergoing Veno-Venous ECMO: A Comparison of Transpulmonary Thermodilution and AI-Based Chest CT Analysis