Content: This week's lecture was on Surgical Simulators. As well as the other students, I also appreciate that Mithra gave the presentation after Dr. Kahol was not available. In the lecture, a randomized double blinded study of surgical simulators was presented. In that study surgical simulations caused residents to perform procedures 30% faster and make six times fewer intraoperative errors during surgery. Some types of human functions that can measured with surgical simulations are hand, eye, and mental activities. Skill assessments can be made based on those activities. Those assessments can be used to measure the performance of users during conditions like fatigue. Additionally, the assessments can be used to measure performance differences in users who have and have not warmed up using virtual reality (VR) simulations.
I liked how multitasking environments were included in the lecture. Including those environments in simulations can help to create a lot more realistic simulations. I can imagine how an environmental distraction such as background noise during a laparoscopic procedure could be a significant factor in the concentration of the surgeon. Also, I liked the graphs of performance that the presentation included because they were an effective way to show the results from studies with the simulators.
Performance of laparoscopic procedures with and without VR training was measured in a study at:
http://www.ncbi.nlm.nih.gov/pubmed/19838652?itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsPanel.Pubmed_RVDocSum&ordinalpos=3
The study showed that surgeons who were novices had the largest measured benefit from VR training.
Posted by:
Nate
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