Cohort Study Comparing Surgeon Stress, Utilization of Surgical Instruments, Surgical Outcomes According to Surgical Approach for Gastrectomy

A new surgical instrument is supposed to allow surgeon to do surgery with better performance. However, the learning period before getting used to the new instruments is necessary. The surgeon's stress to overcome the learning effect and the surgical outcome was rarely assessed. The comparative analysis of surgical outcome, surgeon's stress, and utilization of instruments for gastrectomy will be performed in prospective cohort study