K. Sakai, M. Mochimaru, and K. Yokoyama (Japan)
Surgery Simulation and Simulators; Physiological andMental Reaction; Human Interaction Model; MedicalTraining; Endoscopic Sinus Surgery
During surgery under local anesthesia, awareness of the patients' physiological and mental condition and control of these are important to the surgeon. However, acquiring this awareness and knowledge during the training period is difficult, as these skills are developed only with actual contact with the patient and experience during surgery. With this in view, we are developing a model that can represent a patients' physiological and mental responses to each stage of surgery. This model is expected to be used during training, where trainee doctors can experience the behavior of the patient and acquire the skills mentioned above. Measurements were taken during actual surgery. The heart rate, breathing rate and amplitude, complaints of pain and body movements were recorded as the patient's response. The endoscopic view and the scene in the operating room were recorded in order to find the factors which cause each patient's response. To develop the model, the causal relationship between surgical procedures and patients' responses was investigated. It becomes clear that the patient's response is depended on the pattern of procedure sequence, movement of surgical area and the type of surgical tool. We constructed a model of this behavior using a Bayesian network.
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