Bubbles-in-the-chamber vs digital screen in chest drainage: A blind analysis of compared postoperative air leaks evaluation

•Key question: how to overcome intra and inter-observer variability in detecting air leaks?•Key findings: digital drainage allowed an objective assessment of air leaks and a clinical advantage in about 10% of patients.•Take-home message: digital systems could give advantages in making an objective assessment of real air leaks, standardizing the timing of chest tube removal.