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Background Adequate exposure to operative trauma is not uniform across surgical residencies, and therefore it can be challenging to achieve competency during residency alone. This study introduced the Cut Suit surgical simulator with an Advanced Surgical Skills Package, which replicates traumatic bleeding and organ injury, into surgery resident training across multiple New York City trauma centers. Methods Trainees from 6 ACS-verified trauma centers participated in this prospective, observational trial. Groups of 3-5 trainees (post-graduate year 1-6) from 6 trauma centers within the largest public healthcare network in the U.S. participated. Residents were asked to perform various operative tasks including rescucitative thoracotomy, exploratory laprotomy, splenectomy, hepatorrhaphy, retroperitoneal exploration, and small bowel resection on a severely injured simulated patient. Pre- and post-course surveys were used to evaluate trainees’ confidence performing these procedures and quizzes were used to evaluate participants’ knowledge acquisition after the simulation. Results One hundred twenty-three surgery residents participated in the evaluation. 68% of participants agreed that the simulation was similar to actual surgery. After the simulation, the percentage of residents reporting being “more confident” or “most confident” in independently managing operative trauma patients increased by 42% ( P < .01). There was a significant increase in the proportion of residents reporting being “more confident” or “most confident” managing all procedures performed. Post-activity quiz scores improved by an average of 20.4 points. Discussion The Cut Suit surgical simulator with ASSP is a realistic and useful adjunct in training surgeons to manage complex operative trauma.

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