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A risk score for predicting extracorporeal membrane oxygenation support before lung transplantation
Yaoliang Zhang1, Juan Li2, Wenjie Xie1
1Department of Anesthesiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
Journal of Thoracic Disease
|February 27, 2024
Summary
A new risk score predicts the need for extracorporeal membrane oxygenation (ECMO) during lung transplantation. This tool identifies high-risk patients, aiding clinical decisions for ECMO support.
Area of Science:
- Cardiology
- Thoracic Surgery
- Critical Care Medicine
Background:
- Extracorporeal membrane oxygenation (ECMO) is vital for lung transplant patients.
- No current clinical models predict ECMO necessity in lung transplantation.
- This study aimed to develop a predictive risk score for intraoperative ECMO.
Purpose of the Study:
- To develop a simple risk score for predicting intraoperative ECMO in lung transplantation.
- To identify patients at high risk for ECMO support.
- To guide clinical interventions during lung transplantation.
Main Methods:
- Systematic review of 248 lung transplant patients (2016-2021).
- Development and validation datasets (7:3 ratio).
- Stepwise logistic regression, bootstrapping, and split-sample validation used.
Main Results:
- Six factors identified: primary disease, pulmonary artery systolic pressure, sex, surgical type, creatine kinase-MB, and pro-BNP.
- Risk score (0-41) predicts ECMO need (1.5%-99.7%).
- Model showed good discrimination (C-statistics 0.850/0.842) and calibration (P=0.689).
Conclusions:
- A validated risk score effectively predicts intraoperative ECMO need in lung transplantation.
- The score stratifies patients into low, moderate, and high-risk categories.
- This tool can inform clinical decision-making for ECMO support.
