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Content and Construct Validation of a Robotic Surgery Curriculum Using an Electromagnetic Instrument Tracker

2012; Lippincott Williams & Wilkins; Volume: 188; Issue: 3 Linguagem: Inglês

10.1016/j.juro.2012.05.005

1527-3792

Timothy J. Tausch, Timothy M. Kowalewski, Lee White, Patrick S. McDonough, Timothy C. Brand, Thomas S. Lendvay,

Minimally Invasive Surgical Techniques

No AccessJournal of UrologyAdult Urology1 Sep 2012Content and Construct Validation of a Robotic Surgery Curriculum Using an Electromagnetic Instrument Tracker Timothy J. Tausch, Timothy M. Kowalewski, Lee W. White, Patrick S. McDonough, Timothy C. Brand, and Thomas S. Lendvay Timothy J. TauschTimothy J. Tausch Madigan Health Care System, Tacoma, Washington , Timothy M. KowalewskiTimothy M. Kowalewski University of Washington, Seattle, Washington , Lee W. WhiteLee W. White University of Washington, Seattle, Washington , Patrick S. McDonoughPatrick S. McDonough Madigan Health Care System, Tacoma, Washington , Timothy C. BrandTimothy C. Brand Madigan Health Care System, Tacoma, Washington , and Thomas S. LendvayThomas S. Lendvay Seattle Children's Hospital, Seattle, Washington View All Author Informationhttps://doi.org/10.1016/j.juro.2012.05.005AboutFull TextPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookLinked InTwitterEmail Abstract Purpose: Rapid adoption of robot-assisted surgery has outpaced our ability to train novice roboticists. Objective metrics are required to adequately assess robotic surgical skills and yet surrogates for proficiency, such as economy of motion and tool path metrics, are not readily accessible directly from the da Vinci® robot system. The trakSTAR™ Tool Tip Tracker is a widely available, cost-effective electromagnetic position sensing mechanism by which objective proficiency metrics can be quantified. We validated a robotic surgery curriculum using the trakSTAR device to objectively capture robotic task proficiency metrics. Materials and Methods: Through an institutional review board approved study 10 subjects were recruited from 2 surgical experience groups (novice and experienced). All subjects completed 3 technical skills modules, including block transfer, intracorporeal suturing/knot tying (fundamentals of laparoscopic surgery) and ring tower transfer, using the da Vinci robot with the trakSTAR device affixed to the robotic instruments. Recorded objective metrics included task time and path length, which were used to calculate economy of motion. Student t test statistics were performed using STATA®. Results: The novice and experienced groups consisted of 5 subjects each. The experienced group outperformed the novice group in all 3 tasks. Experienced surgeons described the simulator platform as useful for training and agreed with incorporating it into a residency curriculum. Conclusions: Robotic surgery curricula can be validated by an off-the-shelf instrument tracking system. 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Volume 188 Issue 3 September 2012 Page: 919-923 Advertisement Copyright & Permissions© 2012 by American Urological Association Education and Research, Inc.Keywordsroboticssurgical proceduresminimally invasiveinstrumentationvalidation studiesbenchmarkingAcknowledgmentsFigure 1 was adapted from a task by the Chamberlain Group, Great Barrington, Massachusetts.Metrics Author Information Timothy J. Tausch Madigan Health Care System, Tacoma, Washington More articles by this author Timothy M. Kowalewski University of Washington, Seattle, Washington More articles by this author Lee W. White University of Washington, Seattle, Washington More articles by this author Patrick S. McDonough Madigan Health Care System, Tacoma, Washington More articles by this author Timothy C. Brand Madigan Health Care System, Tacoma, Washington More articles by this author Thomas S. Lendvay Seattle Children's Hospital, Seattle, Washington Financial interest and/or other relationship with Spi Surgical. 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