Intraoperative FiO 2 and risk of impaired postoperative oxygenation in lung resection: A propensity score-weighted analysis

To assess whether, in a lung resection cohort with a low probability of confounding by indication, higher FiO is associated with an increased risk of impaired postoperative oxygenation - a clinical manifestation of lung injury/dysfunction. Pre-specified registry-based retrospective cohort study. Two large academic hospitals in the United States. 2936 lung resection patients with an overall good intraoperative oxygenation (median intraoperative SpO ≥ 95 %). We compared patients with a higher (≥0.8) and lower (