Idle time: an underdeveloped performance metric for assessing surgical skill

American Journal of Surgery
Anne-Lise D D'AngeloCarla M Pugh

Abstract

The aim of this study was to evaluate validity evidence using idle time as a performance measure in open surgical skills assessment. This pilot study tested psychomotor planning skills of surgical attendings (n = 6), residents (n = 4) and medical students (n = 5) during suturing tasks of varying difficulty. Performance data were collected with a motion tracking system. Participants' hand movements were analyzed for idle time, total operative time, and path length. We hypothesized that there will be shorter idle times for more experienced individuals and on the easier tasks. A total of 365 idle periods were identified across all participants. Attendings had fewer idle periods during 3 specific procedure steps (P < .001). All participants had longer idle time on friable tissue (P < .005). Using an experimental model, idle time was found to correlate with experience and motor planning when operating on increasingly difficult tissue types. Further work exploring idle time as a valid psychomotor measure is warranted.

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Citations

Dec 25, 2015·American Journal of Surgery·Anne-Lise D D'AngeloCarla M Pugh
Oct 28, 2016·Surgical Endoscopy·Leandro L Di StasiAndrés Catena
Jul 27, 2015·The Surgical Clinics of North America·Drew N RutherfordCarla M Pugh
May 25, 2015·The Journal of Surgical Research·Anne-Lise D D'AngeloCarla M Pugh
Sep 14, 2016·The Journal of Surgical Research·Katherine E LawCarla M Pugh
Oct 30, 2016·Surgery·Lane L FrasierCaprice C Greenberg
Sep 22, 2016·American Journal of Surgery·Hossein MohamadipanahCarla Pugh
Sep 9, 2017·Annals of Surgery·David P AzariRobert G Radwin
May 24, 2019·International Journal of Computer Assisted Radiology and Surgery·Satoshi KobayashiMasatoshi Eto
Oct 27, 2015·The Journal of Craniofacial Surgery·Sarah A SullivanCarla M Pugh
Feb 6, 2017·Journal of Laparoendoscopic & Advanced Surgical Techniques. Part a·Sarah SullivanCarla Pugh
Sep 12, 2019·Frontiers in Pediatrics·Emily C ZehnderGeorg M Schmölzer
Jan 5, 2021·World Journal of Surgery·Colin F MackenzieSamuel Tisherman
Feb 15, 2021·Artificial Intelligence in Medicine·Pablo Castillo-SeguraCarlos Delgado Kloos
Sep 25, 2020·The Annals of Thoracic Surgery·Joshua L HermsenCarla Pugh
Jul 11, 2021·Journal of Surgical Oncology·Hossein MohamadipanahCarla Pugh
Jan 20, 2021·ACS Biomaterials Science & Engineering·Hossein MohamadipanahCarla Pugh

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