Article ; Online: The IMPACT Score: A New Score to Predict the Risk of Early Mortality in Cardiogenic Shock Patients Treated With Venoarterial Extracorporeal Membrane Oxygenation.
Journal of cardiothoracic and vascular anesthesia
2023 Volume 38, Issue 2, Page(s) 451–458
Abstract: Objectives: Venoarterial extracorporeal membrane oxygenation (VA-ECMO) requires considerable human and financial resources. Few studies have focused on early mortality (ie, occurring within 72 hours after VA-ECMO implantation). The objective of this ... ...
Abstract | Objectives: Venoarterial extracorporeal membrane oxygenation (VA-ECMO) requires considerable human and financial resources. Few studies have focused on early mortality (ie, occurring within 72 hours after VA-ECMO implantation). The objective of this study was to establish a prognosis score-the IMPACT score (prediction of early mortality associated with VA-ECMO using preimplantation characteristics)-by determining the risk factors associated with early mortality. Design: This was a retrospective and observational study. Setting: The study was conducted at a University hospital. Participants: This single-center retrospective study included 147 patients treated with VA-ECMO for cardiogenic shock between 2014 and 2021. Methods: The primary outcome was early mortality (ie, occurring within 72 hours after VA-ECMO implantation). Multivariate logistic regression was performed using a bootstrapping methodology to identify factors independently associated with early mortality. To construct the score, identified variables had points (pts) assigned corresponding to their odds ratio. Results: A total of 147 patients were included in the study. Early mortality (<72 hours) was 26% (38 patients). Four variables were established: cardiac arrest (2 pts), lactate levels (3 pts), platelet count <100 g/L (4 pts), and renal-replacement therapy (5 pts). The IMPACT score had an area under the receiver operating characteristic curve of 0.78 (95% CI 0.86-0.70) to predict early mortality. Conclusions: In the authors' experience, 26% of patients treated with VA-ECMO presented early mortality. The IMPACT score is a reliable predictor of early mortality and may assist with VA-ECMO initiation decision-making. |
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MeSH term(s) | Humans ; Retrospective Studies ; Extracorporeal Membrane Oxygenation/methods ; Shock, Cardiogenic/diagnosis ; Shock, Cardiogenic/therapy ; Hospital Mortality ; Heart Arrest |
Language | English |
Publishing date | 2023-11-23 |
Publishing country | United States |
Document type | Observational Study ; Journal Article |
ZDB-ID | 1067317-9 |
ISSN | 1532-8422 ; 1053-0770 |
ISSN (online) | 1532-8422 |
ISSN | 1053-0770 |
DOI | 10.1053/j.jvca.2023.11.025 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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