Effects of cognitive distraction on performance of laparoscopic surgical tasks

Journal of Laparoendoscopic & Advanced Surgical Techniques. Part a
Kristen H GoodellSteven D Schwaitzberg

Abstract

To quantify the effects of cognitive distraction on surgical task performance in residents and medical students using a laparoscopic surgical simulator. Within-subjects design. A surgical skills laboratory. Thirteen surgical residents and medical students who volunteered for the study. Subjects performed six tasks on the Minimally Invasive Surgical Trainer-Virtual Reality (MIST-VR), under two different conditions (distracted and undistracted). Task order remained the same for all subjects, but the order of distraction was counterbalanced. In the distracted condition, distractions consisted of mental arithmetic problems posed sequentially so that subjects were continually distracted. Time to task completion, surgical errors committed, economy of motion, and overall performance scores were generated by the MIST-VR program software. Arithmetic error was not a factor in the overall performance score. Time to task completion was significantly greater when subjects were distracted for all six tasks performed. Overall score and economy of motion were negatively affected by distraction but the effect did not reach th level of statistical significance. There was no effect of distract on surgical errors. Cognitive distraction appears to ...Continue Reading

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Citations

Apr 1, 2010·Surgical Endoscopy·Sonal AroraRoger Kneebone
Aug 22, 2007·Journal of Gastrointestinal Surgery : Official Journal of the Society for Surgery of the Alimentary Tract·Caroline G L CaoSteven D Schwaitzberg
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