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  • Title: Can fatigue affect acquisition of new surgical skills? A prospective trial of pre- and post-call general surgery residents using the da Vinci surgical skills simulator.
    Author: Robison W, Patel SK, Mehta A, Senkowski T, Allen J, Shaw E, Senkowski CK.
    Journal: Surg Endosc; 2018 Mar; 32(3):1389-1396. PubMed ID: 28840332.
    Abstract:
    OBJECTIVE: To study the effects of fatigue on general surgery residents' performance on the da Vinci Skills Simulator (dVSS). METHODS: 15 General Surgery residents from various postgraduate training years (PGY2, PGY3, PGY4, and PGY5) performed 5 simulation tasks on the dVSS as recommended by the Robotic Training Network (RTN). The General Surgery residents had no prior experience with the dVSS. Participants were assigned to either the Pre-call group or Post-call group based on call schedule. As a measure of subjective fatigue, residents were given the Epworth Sleepiness Scale (ESS) prior to their dVSS testing. The dVSS MScore™ software recorded various metrics (Objective Structured Assessment of Technical Skills, OSATS) that were used to evaluate the performance of each resident to compare the robotic simulation proficiency between the Pre-call and Post-call groups. RESULTS: Six general surgery residents were stratified into the Pre-call group and nine into the Post-call group. These residents were also stratified into Fatigued (10) or Nonfatigued (5) groups, as determined by their reported ESS scores. A statistically significant difference was found between the Pre-call and Post-call reported sleep hours (p = 0.036). There was no statistically significant difference between the Pre-call and Post-call groups or between the Fatigued and Nonfatigued groups in time to complete exercise, number of attempts, and high MScore™ score. CONCLUSION: Despite variation in fatigue levels, there was no effect on the acquisition of robotic simulator skills.
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