Table 1 Inclusion and exclusion criteria

An out-of-hospital cardiac arrest with return of spontaneous circulation (ROSC);

Ventricular fibrillation (VF) or ventricular tachycardia (VT) as first registered cardiac rhythm^a;

Glasgow Coma Scale (GCS) ≤8^b.

Terminal renal insufficiency, i.e., receiving renal replacement therapy (RRT);

Known glucose 6-phosphate dehydrogenase deficiency (risk of hemolysis);

History of urolithiasis, oxalate nephropathy, or hemochromatosis;

Treatment limitations^c.