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Background and Aims There is a lack of a systematic handover between anesthetists for operations requiring changeover of anesthetic teams in our institution. Multiple retrospective reviews suggested an association between intra-operative handover of patient care between anesthesia providers and increased patient morbidity and mortality. One study found this risk to be increased with each subsequent handover. Another multi-center retrospective cohort study showed that complete handover of anesthetic care was associated with increased adverse peri-operative outcomes, including death. This quality improvement project aim to improve completeness of data transfer between anesthetic teams during all operations in Singapore General Hospital requiring a changeover for a period of 12 weeks from 77.85% by 15%.Methods Process map was drawn to understand the current workflow. Cause and effect diagram was completed to analyze the root causes, and a Pareto Chart was used to prioritize the root causes. A new checklist for intra-operative handover between anesthetists was adapted from a study. Hard-copy checklists were printed, laminated, and placed on anesthetic machines in Singapore General Hospital. Plan-Do-Study-Act cycle was conducted from 4 Mar to 9 Jun 2024 with the checklists bound to anesthetic machines in every operating theater. Data on completeness of handover of items on the checklist was collected manually via a survey.Results Overall, there was an improvement in median line of percentage completeness of data transfer from baseline median of 77.6% to post implementation median of 88.1%. However, there was a lack of shift/trend observed in the post implementation period. It was also noted that the checklist usage was only at 52% which may have limited the improvement in results.Conclusions A standardized checklist improved the median completeness of data transfer, but a lack of shift/trend was observed. This is likely due to the relatively low compliance to the usage of the checklist for handover.