Bypassing the post-anaesthesia care unit after elective hip and knee arthroplastyWe read with interest the prospective cohort safety study by Nielson et al. [1]. The paper describes what appears to be a safe process of resource utilisation to improve theatre and postanaesthesia care unit (PACU) efficiency in their centre. For this process to be transferrable to other hospitals, and indeed other healthcare systems, we require more information regarding the ward processes and human factors considerations that are needed to implement this positive development.