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. 2023 Jun 1;69(6):610-617.
doi: 10.1097/MAT.0000000000001872. Epub 2022 Dec 23.

Predictors of Mediastinal Exploration While on Extracorporeal Membrane Oxygenation After Pediatric Cardiac Surgery

Affiliations

Predictors of Mediastinal Exploration While on Extracorporeal Membrane Oxygenation After Pediatric Cardiac Surgery

Jason S Kerstein et al. ASAIO J. .

Abstract

Cardiac surgical patients requiring extracorporeal membrane oxygenation (ECMO) are at increased risk for hemorrhage due to necessary anticoagulation, in-situ cannulas, and disturbed hemostasis. We performed a retrospective, cross-sectional study of patients 0-18 years old in our cardiac intensive care unit (CICU) cannulated to ECMO within 48 h of cardiopulmonary bypass. The 69 patients included in the study were divided into three analysis groups based on serial chest tube output per hour: no bleeding (NB) on admission to the CICU (21/69, 30%), bleeding stopped (BS) with medical management (26/69, 38%), bleeding requiring emergent mediastinal exploration (BME) (22/69, 32%). The NB group had a more favorable coagulation profile upon admission to the CICU (PTT 53 s NB, 105 s BS, 83 s BME p < 0.001, ACT 169 s NB, 225 s BS, 211 s BME, p =0.013). Only chest tube output during the first three postcannulation hours remained associated with the need for mediastinal exploration by multivariable analysis. An average chest-tube output of 11.6 mL/kg/h during the first three hours had the highest percentage of patients classified correctly (84%) for requiring mediastinal exploration during their ECMO run (sensitivity 91%, specificity 81%).

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Conflict of interest statement

Disclosure: There are no funding or conflicts of interest to disclose.

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