The importance of timing in postcardiotomy venoarterial extracorporeal membrane oxygenation: A descriptive multicenter observational study.
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Mariani Silvia, Wang I-Wen, van Bussel Bas C T, Heuts Samuel, Wiedemann Dominik, Saeed Diyar, van der Horst Iwan C C, Pozzi Matteo, Loforte Antonio, Boeken Udo, Samalavicius Robertas, Bounader Karl, Hou Xiaotong, Bunge Jeroen J H, Buscher Hergen, Salazar Leonardo, Meyns Bart, Herr Daniel, Matteucci Sacha, Sponga Sandro, Ramanathan Kollengode, Russo Claudio, Formica Francesco, Sakiyalak Pranya, Fiore Antonio, Camboni Daniele, Raffa Giuseppe Maria, Diaz Rodrigo, Jung Jae-Seung, Belohlavek Jan, Pellegrino Vin, Bianchi Giacomo, Pettinari Matteo, Barbone Alessandro, Garcia José P, Shekar Kiran, Whitman Glenn, Lorusso Roberto, PELS-1 (PELS-1, Post-Cardiotomy Extracorporeal Life Support Study) Investigators
Аннотация
METHODS: The retrospective, multicenter, observational Postcardiotomy Extracorporeal Life Support (PELS-1) study includes adults who required ECMO due to postcardiotomy shock between 2000 and 2020. We compared patients who received ECMO in the operating theater (intraoperative) with those in the intensive care unit (postoperative) on in-hospital and postdischarge outcomes.
RESULTS: We studied 2003 patients (women: 41.1%; median age: 65 years; interquartile range [IQR], 55.0-72.0). Intraoperative ECMO patients (n = 1287) compared with postoperative ECMO patients (n = 716) had worse preoperative risk profiles. Cardiogenic shock (45.3%), right ventricular failure (15.9%), and cardiac arrest (14.3%) were the main indications for postoperative ECMO initiation, with cannulation occurring after (median) 1 day (IQR, 1-3 days). Compared with intraoperative application, patients who received postoperative ECMO showed more complications, cardiac reoperations (intraoperative: 19.7%; postoperative: 24.8%, P = .011), percutaneous coronary interventions (intraoperative: 1.8%; postoperative: 3.6%, P = .026), and had greater in-hospital mortality (intraoperative: 57.5%; postoperative: 64.5%, P = .002). Among hospital survivors, ECMO duration was shorter after intraoperative ECMO (median, 104; IQR, 67.8-164.2 hours) compared with postoperative ECMO (median, 139.7; IQR, 95.8-192 hours, P < .001), whereas postdischarge long-term survival was similar between the 2 groups (P = .86).
CONCLUSIONS: Intraoperative and postoperative ECMO implantations are associated with different patient characteristics and outcomes, with greater complications and in-hospital mortality after postoperative ECMO. Strategies to identify the optimal location and timing of postcardiotomy ECMO in relation to specific patient characteristics are warranted to optimize in-hospital outcomes.