Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/104530
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Type: Journal article
Title: Comparing surgical experience with performance on a sinus surgery simulator
Author: Diment, L.
Ruthenbeck, G.
Dharmawardana, N.
Carney, A.
Woods, C.
Ooi, E.
Reynolds, K.
Citation: ANZ Journal of Surgery, 2016; 86(12):990-995
Publisher: Wiley
Issue Date: 2016
ISSN: 1445-1433
1445-2197
Statement of
Responsibility: 
Laura E. Diment, Greg S. Ruthenbeck, Nuwan Dharmawardana, A. Simon Carney, Charmaine M. Woods, Eng H. Ooi, and Karen J. Reynolds
Abstract: Background: This study evaluates whether surgical experience influences technical competence using the Flinders sinus surgery simulator, a virtual environment designed to teach nasal endoscopic surgical skills. Methods: Ten experienced sinus surgeons (five consultants and five registrars) and 14 novices (seven resident medical officers and seven interns/medical students) completed three simulation tasks using haptic controllers. Task 1 required navigation of the sinuses and identification of six anatomical landmarks, Task 2 required removal of unhealthy tissue while preserving healthy tissue and Task 3 entailed backbiting within pre-set lines on the uncinate process and microdebriding tissue between the cuts. Results: Novices were compared with experts on a range of measures, using Mann– Whitney U-tests. Novices took longer on all tasks (Task 1: 278%, P < 0.005; Task 2: 112%, P < 0.005; Task 3: 72%, P < 0.005). In Task 1, novices’ instruments travelled further than experts’ (379%, P < 0.005), and provided greater maximum force (12%, P < 0.05). In Tasks 2 and 3 novices performed more cutting movements to remove the tissue (Task 2: 1500%, P < 0.005; Task 3: 72%, P < 0.005). Experts also completed more of Task 3 (66%, P < 0.05). Conclusions: The study demonstrated the Flinders sinus simulator’s construct validity, differentiating between experts and novices with respect to procedure time, instrument distance travelled and number of cutting motions to complete the task.
Keywords: Competency-based education; computer simulation, endoscopy; nasal surgical procedure; user–computer interface
Rights: © 2015 Royal Australasian College of Surgeons
DOI: 10.1111/ans.13418
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