4.6 Article

Extracorporeal Membrane Oxygenation in Infants Undergoing Truncus Arteriosus Repair

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ANNALS OF THORACIC SURGERY
卷 111, 期 1, 页码 176-183

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ELSEVIER SCIENCE INC
DOI: 10.1016/j.athoracsur.2020.03.051

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  1. [5T32HL7572-35]

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This study aimed to identify risk factors for mortality in infants with truncus arteriosus requiring perioperative ECMO. The results showed that factors independently associated with mortality included lower weight, longer ECMO duration, need for renal replacement therapy, cardio-pulmonary resuscitation on ECMO, and infection on ECMO.
Background. Infants undergoing truncus arteriosus (TA) repair suffer one of the highest mortality rates of all congenital heart defects. Extracorporeal membrane oxygenation (ECMO) can support patients undergoing TA repair, but little is known about factors contributing to mortality in this cohort. The objective of this study was to identify risk factors for mortality in infants with TA requiring perioperative ECMO. Methods. Data from the Extracorporeal Life Support Organization from 2002 to 2017 for infants less than 60 days old undergoing TA repair were analyzed. Demographics, clinical characteristics, and ECMO characteristics and complications were compared between survivors and nonsurvivors. Multivariable logistic regression was used to evaluate independent risk factors for mortality. Results. Of 245 patients analyzed, 92 (37.6%) survived to discharge. Nonsurvivors had a lower weight and a longer ECMO duration. A higher proportion of nonsurvivors suffered complications on ECMO, including mechanical complications, circuit thrombus, bleeding, and need for renal replacement therapy. In multivariable analysis lower weight (odds ratio [OR], 0.56; 95% confidence interval [CI], 0.33-0.95), duration of ECMO (OR, 1.1; 95% CI, 1.02-1.18), need for renal replacement therapy (OR, 3.23; 95% CI, 1.68-6.2), cardio-pulmonary resuscitation on ECMO (OR, 11.52; 95% CI, 1.3-102.33), and infection on ECMO (OR, 4.47; 95% CI, 1.2-16.64) were independently associated with mortality. Conclusions. Many factors associated with mortality for infants requiring perioperative ECMO with TA repair are related to complications suffered on ECMO. Thoughtful patient selection and meticulous ECMO management to prevent complications are essential in improving outcomes for these infants. (C) 2021 by The Society of Thoracic Surgeons

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