Abbreviations
ARDS : Adult respiratory distress syndrome, ECMO:Extracorporeal membrane oxygenation
ELSO : Extracorporeal life support organisation , MERS:Middle east respiratory syndrome
UFH : Unfractionated heparin , vvECMO : venovenous
Extracorporeal membrane oxygenation
ASAIO : American society for artificial internal organs
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