Influence of the Surgeon's First Operation of the Day on Patient Outcomes.

Objective: To investigate whether the cumulative operative time spent by a surgeon operating on patients on the same day prior to starting a new procedure was associated with surgical outcomes.

Background: The impact of daily operating room workload on a surgeon's performance and patient outcomes is uncertain.

Methods: All elective patients, operated by attending surgeons across seven specialties in four French hospitals between 11/01/2020-12/31/2021, were included.