['cardiac arrest']
['iloprost', 'saline']

        Inclusion Criteria:

          1. Age ≥18 years

          2. OHCA of presumed cardiac cause

          3. Sustained ROSC*

          4. Unconsciousness (GCS <8) (patients not able to obey verbal commands) after sustained
             ROSC*

          5. Target temperature management is indicated.

        Exclusion Criteria:

          1. Conscious patients (obeying verbal commands)

          2. Females of childbearing potential (unless a negative human chorionic gonadotropin
             (HCG) test can rule out pregnancy within the inclusion window)

          3. Patients weighing more than 135kg

          4. In-hospital cardiac arrest (IHCA)

          5. OHCA of presumed non-cardiac cause, e.g. after trauma or dissection/rupture of major
             artery OR Cardiac arrest caused by initial hypoxia (i.e. drowning, suffocation,
             hanging).

          6. Known congenital bleeding diathesis (medically induced coagulopathy due to treatment
             with Vitamin K antagonists, Thrombininhibitors, Factor Xa inihbitors, ADP-receptor
             inhibitors, Aspirin, Asasantin, Persantin, NSAID, unfractionated and low molecular
             weight heparin does NOT exclude the patient).

          7. Suspected or confirmed acute intracranial bleeding

          8. Suspected or confirmed acute stroke

          9. Unwitnessed asystole

         10. Known limitations in therapy and Do Not Resuscitate-order

         11. Known disease making 180 days survival unlikely

         12. Known pre-arrest CPC 3 or 4

         13. >4 hours (240 minutes) from ROSC to screening

         14. Systolic blood pressure <80 mm Hg in spite of fluid loading/vasopressor and/or
             inotropic medication/intra-aortic balloon pump/axial flow device*

         15. Temperature on admission <30°C.

         16. Known allergy to Prostacyclin analogues
      