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Factors associated with 30-day in-hospital mortality in critically ill adult patients receiving extracorporeal membrane oxygenation: A retrospective cohort study

Authors
Lee, YoungeonJang, InsilHong, JoonhwaSon, Youn-Jung
Issue Date
Dec-2023
Publisher
Churchill Livingstone
Keywords
Critical care nursing; Extracorporeal membrane oxygenation; Hospital mortality; Retrospective study; Risk factors
Citation
Intensive and Critical Care Nursing, v.79
Journal Title
Intensive and Critical Care Nursing
Volume
79
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/67787
DOI
10.1016/j.iccn.2023.103489
ISSN
0964-3397
1532-4036
Abstract
Objective: To identify factors associated with the 30-day in-hospital mortality rate among adult patients requiring extracorporeal membrane oxygenation (ECMO) in intensive care units. Research Methodology: Retrospective cohort study including 148 patients who underwent ECMO for at least 48 h between March 2010 and August 2021. The patients were divided into survivors and non-survivors based on their 30-day in-hospital survival. We obtained the sociodemographic information and pre- and post-ECMO data from electronic medical records. Kaplan–Meier survival curves and Multivariate Cox proportional hazards regression were used to analyse the data. Setting: A tertiary-care university hospital in South Korea. Main Outcome Measures: The 30-day in-hospital mortality rate was the principal outcome measure. Results: The 30-day in-hospital mortality rate was 49.3% (n = 73). Kaplan–Meier analysis demonstrated that the duration of ECMO support in the 50th percentile of surviving patients was 13 days. Multivariable Cox regression analysis showed that new-onset renal failure, lower mean arterial pressure, and ECMO weaning failure were associated with an increased 30-day in-hospital mortality risk among patients who received ECMO. Subgroup analysis also revealed a significant association between weaning failure and 30-day in-hospital mortality after adjusting for covariates in patients undergoing veno-arterial ECMO. Conclusion: Close monitoring of post-ECMO renal function and mean arterial pressure is required to minimize the risk of 30-day in-hospital mortality, especially in adults within the first two weeks of ECMO initiation. Moreover, the success of ECMO weaning should be optimized by collaboration within the ECMO team. Implications for Clinical Practice: Critical care nurses should pay close attention to patients’ response to weaning trials as well as alternations in renal function and mean arterial pressure during ECMO support. Furthermore, developing nursing care guidelines for adult patients receiving ECMO and standardized training programs for nurses in intensive care, are required in Korea. © 2023 Elsevier Ltd
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적십자간호대학 (간호학과)
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