Resuscitation
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Target temperature management (TTM) is used in comatose post-cardiac arrest patients, but the recommended temperature range is wide. This study aimed to assess the effectiveness of TTM at 32-34 °C while considering the degree of cerebral injury and cerebral circulation, as assessed by regional cerebral oxygen saturation (rSO2). ⋯ TTM at 32-34 °C effectively decreased all-cause mortality in comatose OHCA patients with rSO2 41-60% on hospital arrival in Japan.