Open access
Oct 2026
Development and multicenter validation of a machine learning model for predicting in-hospital postoperative cardiac arrest in elderly surgical patients: the critical role of intraoperative hemodynamic disturbances and blood transfusion
Background In-hospital cardiac arrest (IHCA) is a rare but life-threatening complication in elderly surgical patients. This study aimed to develop and validate a machine learning model for predicting IHCA and to identify key perioperative risk factors. Methods A multicenter retrospective cohort study was conducted amon...
Xi Chen, Yu-Wei Chang, Tao Sun et al.
· Frontiers in Medicine · 0 citations