Association of overlapping surgery with perioperative outcomes.

Sun E, Mello MM, Rishel CA, et al; Multicenter Perioperative Outcomes Group (MPOG). JAMA. 2019;321:762-772.

Scheduling overlapping surgeries has raised substantial patient safety concerns. However, research regarding the impact of concurrent surgery on patient outcomes has produced conflicting results. In this multicenter retrospective cohort study, researchers examined the relationship between overlapping surgery and mortality, postoperative complications, and surgery duration for 66,430 surgeries between January 2010 and May 2018. Although overlapping surgery was not significantly associated with an increase in mortality or complications overall, researchers did find a significant association between overlapping surgery and increased length of surgery. An accompanying editorial discusses the role of overlapping surgery in promoting the autonomy of those in surgical training and suggests that further research is needed to settle the debate regarding the impact of overlapping surgery on patient safety.

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