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Extracorporeal Life Support (ECLS): A Review and Focus on Considerations for COVID-19.

Extracorporeal life support (ECLS) is a support modality for patients with severe acute respiratory distress syndrome (ARDS) who have failed conventional treatments including low tidal volume ventilation, prone positioning, and neuromuscular blockade. In addition, ECLS can be used for hemodynamic support for patients with cardiogenic shock or following cardiac arrest. Injured patients may also require ECLS support for ARDS and other indications. We review the use of ECLS for ARDS patients, trauma patients, cardiogenic shock patients, and post cardiac arrest patients. We then describe how these principles are applied in the management of the novel coronavirus disease (COVID-19) pandemic. Indications, predictors, procedural considerations, and post-cannulation management strategies are discussed.