Crit Care Med 2021 Feb 23. Epub 2021 Feb 23.
1 Department of Cardio-Thoracic Surgery, Heart and Vascular Centre, Maastricht University Medical Centre (MUMC), Maastricht, The Netherlands. 2 Clinical Department of Cardiac Surgery, Central Clinical Hospital of the Ministry of Interior and Administration, Centre of Postgraduate Medical Education, Warsaw, Poland. 3 Thoracic Research Centre, Collegium Medicum, Nicolaus Copernicus University, Innovative Medical Forum, Bydgoszcz, Poland. 4 Warsaw Medical University, Warsaw, Poland. 5 Center for Acute Respiratory Failure and Department of Medicine, Columbia University College of Physicians & Surgeons/New York-Presbyterian Hospital, New York, NY. 6 Cardiothoracic Intensive Care Unit, National University Hospital, Singapore;. 7 Cardiovascular Surgery Intensive Care Unit, Johns Hopkins Hospital, Baltimore, MD. 8 Cardiac Surgery Unit, ISMETT, Palermo, Italy. 9 Department of Cardiac Surgery, University of Dusseldorf, Dusseldorf, Germany. 10 Adult Intensive Care Services, The Prince Charles Hospital, Brisbane, VIC, Australia. 11 Cardiovascular Surgery and Pediatric Cardiovascular Surgery, National Taiwan University Hospital, Taipei, Taiwan. 12 Department of Cardiothoracic Surgery, Jefferson University, Philadelphia, PA. 13 Department of Cardio-Thoracic Surgery, Massachusetts Medical Centre, Boston, MA. 14 Center for Cardiac Intensive Care, Beijing Anzhen Hospital, Capital Medical University, Beijing, P.R. of China. 15 Section of Cardiac Surgery, University of Michigan, Ann Arbor, MI. 16 2nd Department of Medicine-Department of Cardiovascular Medicine, First Faculty of Medicine, Charles University, Prague, and General University Hospital, Prague, Czech Republic. 17 Department of Pathophysiology, Faculty of Pharmacy, Collegium Medicum, Nicolaus Copernicus University, Toruń, Poland. 18 Department of Cardiology, Boston Children's Hospital, Department of Pediatrics, Harvard Medical School, Boston, MA. 19 Department of Pediatrics, C.S. Mott Children's Hospital, University of Michigan Ann Arbor, MI. 20 Department of Cardio-Thoracic Surgery, Well Cornell Medicine, New York, NY. 21 Cardiac Surgery Unit, University Hospital, University of Chieti, Chieti, Italy. 22 Cardiovascular Research Institute Maastricht (CARIM), Maastricht, The Netherlands.
Objectives: Refractory postcardiotomy cardiogenic shock complicating cardiac surgery yields nearly 100% mortality when untreated. Use of venoarterial extracorporeal membrane oxygenation for postcardiotomy cardiogenic shock has increased worldwide recently. The aim of the current analysis was to outline the trends in use, changing patient profiles, and in-hospital outcomes including complications in patients undergoing venoarterial extracorporeal membrane oxygenation for postcardiotomy cardiogenic shock.
Design: Analysis of extracorporeal life support organization registry from January 2010 to December 2018.
Setting: Multicenter worldwide registry.
Patients: Seven-thousand one-hundred eighty-five patients supported with venoarterial extracorporeal membrane oxygenation for postcardiotomy cardiogenic shock.
Interventions: Venoarterial extracorporeal membrane oxygenation.
Measurements And Main Results: Hospital death, weaning from extracorporeal membrane oxygenation, hospital complications. Mortality predictors were assessed by multivariable logistic regression. Propensity score matching was performed for comparison of peripheral and central cannulation for extracorporeal membrane oxygenation. A significant trend toward more extracorporeal membrane oxygenation use in recent years (coefficient, 0.009; p < 0.001) was found. Mean age was 56.3 ± 14.9 years and significantly increased over time (coefficient, 0.513; p < 0.001). Most commonly, venoarterial extracorporeal membrane oxygenation was instituted after coronary artery bypass surgery (26.8%) and valvular surgery (25.6%), followed by heart transplantation (20.7%). Overall, successful extracorporeal membrane oxygenation weaning was possible in 4,520 cases (56.4%), and survival to hospital discharge was achieved in 41.7% of cases. In-hospital mortality rates remained constant over time (coefficient, -8.775; p = 0.682), whereas complication rates were significantly reduced (coefficient, -0.009; p = 0.003). Higher mortality was observed after coronary artery bypass surgery (65.4%), combined coronary artery bypass surgery with valve (68.4%), and aortic (69.6%) procedures than other indications. Lower mortality rates were observed in heart transplantation recipients (46.0%). Age (p < 0.001), central cannulation (p < 0.001), and occurrence of complications while on extracorporeal membrane oxygenation were independently associated with poorer prognosis.
Conclusions: The analysis confirmed increased use of venoarterial extracorporeal membrane oxygenation for postcardiotomy cardiogenic shock. Mortality rates remained relatively constant over time despite a decrease in complications, in the setting of supporting older patients.