Post cardiac arrest left ventricular ejection fraction associated with survival to discharge.

We report several important findings; (1) only patients with severely reduced LV systolic function (LVEF < 30%) post cardiac arrest had a reduced survival to hospital discharge; (2) this effect persisted after adjusting for age, sex, presence of initial shockable rhythm, witnessed cardiac arrest, types of cardiac arrest (in-hospital vs out-of-hospital), recurrent arrest, and whether targeted temperature management was performed; and (3) in an exploratory analysis, the trend of lower survival with severely reduced LVEF persisted, but did not reach statistical significance.

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