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Retrospective Cohort Study of Low-Flow Extracorporeal Carbon Dioxide Removal (ECCO2R) System: Evaluating ECCO2R's Efficacy and Safety in Participants With Respiratory Failure

Retrospective Cohort Study of Low-Flow Extracorporeal Carbon Dioxide Removal (ECCO2R) System: Evaluating ECCO2R's Efficacy and Safety in Participants With Respiratory Failure

Recruiting
18 years and older
All
Phase N/A

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Overview

This is an observational study performed by retrospective review of data routinely collected for patients receiving low-flow extracorporeal carbon dioxide removal (ECCO2R) therapy in intensive care units (ICUs). Our aim is to firstly, describe the local practice in terms of patient selection and technical details of clinical management related to the use of low-flow ECCO2R system, and secondly, the clinical results in terms of patient outcomes and adverse events. These findings may allow clinicians to improve the quality and safety of ECCO2R therapy provision in the ICU.

Description

Extracorporeal carbon dioxide removal (ECCO2R) is a specialised medical procedure employed to eliminate excessive carbon dioxide (CO2) from the bloodstream. To date, there have been only a few small-scale studies published on ECCO2R, with limited data on the full spectrum of clinical presentations, management strategies, and outcomes. Previous clinical trials have investigated the potential for ECCO2R therapy to reduce the intensity of mechanical ventilation in patients suffering from acute respiratory distress syndrome (ARDS). While these trials have successfully achieved desired physiological outcomes, they have not consistently translated into improved patient mortality rates. Additionally, the use of ECCO2R has presented certain complications, especially when higher-flow ECCO2R systems based on the centrifugal pump technology were used, which had been more extensively studied in the past. However, our clinical experience appeared to suggest that low-flow ECCO2R therapy could be managed with reasonable treatment success rate and limited complications. The investigators hypothesise that the use of low-flow ECCO2R therapy is clinically effective and safe for a selected group of ICU patients with acute respiratory failure.

Eligibility

Inclusion Criteria:

  • Patients supported with ECCO2R in one of the designated study sites
  • Admitted to the ICU between 1 Jan 2022 and 30 June 2024

Exclusion Criteria:

  • Patients younger than 18 years old

Study details
    Respiratory Failure
    ICU
    Asthma (Diagnosis)
    ARDS

NCT07161271

Hong Kong University

15 October 2025

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