Provides key tactics for hospital staff when implementing surgical transitional care interventions, and clear gaps for future researchers such as testing scale-up strategies. 1 Introduction Almost 30% of patients who have undergone major surgery have postoperative complications after hospital discharge (Morris et al. 2014). Of these complications, 59% are associated with hospital readmission (Morris et al. 2014) and cost the US healthcare systems $269 million (Brown et al. 2021).