What Baseline Clinical Features Are Associated With Survival or Good Neurologic Outcome After Extracorporeal Cardiopulmonary Resuscitation?

The authors identified 816 potential studies, of which 15 met inclusion criteria (841 subjects): 11 enrolled only subjects with out-of-hospital cardiac arrest and 4 enrolled mixed populations with prevalence of out-of-hospital cardiac arrest from 51% to 71%. Confounding was a universal source of bias across all studies, given the observational nature of this literature. Other risks of bias for included studies were mostly low to moderate. Specific clinical and laboratory variables were associated with favorable outcome after extracorporeal CPR (Table).

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