Registry on the EXperience of Extracorporeal CO2 Removal in Intensive Care Units

Investigators will aim to conduct an observational study in order to assess very thoroughly all patients implanted by Extracorporeal carbon dioxide removal (ECCO2R) in 10 critical care units of Paris and its surburb (APHP, Assistance Publique des hôpitaux de Paris). Secondary objectives will be: 1. to assess efficacy and safety of ECCO2R, 2. to compare the data issue from the registry to others studies assessing the same population and to other centers and 3. to compare the different ECCOR devices in terms of efficacy and adverse events.