- Increased physiological stress among surgeons at the start of operations was associated with fewer major surgical complications.
- Heart rate variability data was used to measure stress levels.
- Higher stress levels were linked to reduced major surgical complications and trends toward reduced intensive care unit stays and mortality.
- The study suggested that some degree of physiological arousal may benefit surgical performance among experienced surgeons.
- The study included 793 surgical procedures performed by 38 attending surgeons across 7 specialties.
- The surgeons were predominantly male with a median age of 46 years.
- The research represented the first large-scale study to demonstrate a positive association between surgeon stress and patient outcomes.
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