The article, “Sex differences in extracorporeal cardiopulmonary resuscitation for out-of-hospital cardiac arrest: a nationwide multicenter retrospective study in Japan” by Akira Kawauchi et al., published in Critical Care, presents insightful findings on gender differences in outcomes for patients undergoing ECPR for OHCA. ECPR is an advanced life-support intervention used for out-of-hospital cardiac arrest. Previous research…