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Purpose: While laparoscopic simulation-based training is a well-established component of general surgery training, no such requirement or standardized curriculum exists for robotic surgery. Furthermore, there is a lack of high-fidelity electrocautery simulation training exercises in the literature. Using Messick’s validity framework, we sought to determine the content, response process, internal content and construct validity of a novel inanimate tissue model that utilizes electrocautery for potential incorporation in such curricula. Methods: Multi-institutional, prospective study involving medical students (MS) and general surgery residents (PGY1-3). Participants performed an exercise using a biotissue bowel model on the da Vinci Xi robotic console during which they created an enterotomy using electrocautery followed by approximation with interrupted sutures. Participant performance was recorded and then scored by crowd-sourced assessors of technical skill along with three of the authors. Construct validity was determined via difference in Global Evaluative Assessment of Robotic Skills (GEARS) score, time to completion and total number of errors between the two cohorts. Upon completion of the exercise, participants were surveyed on their perception of the exercise and its impact on their robotic training to determine content validity. Results: 31 participants were enrolled and separated into two cohorts: MS + PGY1 vs PGY2-3. Time spent on the robotic trainer (0.8 vs 8.13 hours, p=0.002), number of bedside robotic assists (5.7 vs 14.8, pConclusions: This study confirmed the content, response process, internal structure and construct validity of a novel, high-fidelity and cost-effective inanimate tissue exercise which successfully incorporates electrocautery. Consideration should be given to its addition to robotic surgery training programs. |
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