Variables of interest
The analysis was performed using a retrospectively maintained
institutional patient database. The variables evaluated included:
patient demographics (age, height, weight, sex), patients’ status before
ECMO support CPR, duration of CPR, the cause of OHCA/IHCA, CPR
characteristics, and initial blood gas analysis), early outcome data (pH
and lactate after 12 and 24 hours, blood transfusions, in-hospital
mortality, discharge, hospital, and ICU stay. As well as analyzation of
end-organ damaging; acute kidney injury (AKI) requiring dialysis,
stroke, bleeding, and ischemia.