Cardiac index, SvO2 or pCO2 gap may determine benefit from ECMO in cardiogenic shock: post-hoc analysis of the multicenter, randomized ECMO-CS trial. - Ostadal P; Vondrakova D; Rokyta R; Karasek J; Kruger A; Janotka M; Naar J; Smalcova J; Hubatova M; Hromadka M; Volovar S; Seyfrydova M; et al. (Critical care (London, England), 2025)