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Surgery Simulators Offer Better Surgeons And Safer Surgeries

According to a recent study, using computer-based "surgery simulators" will be helpful in shaping better surgeons for performing safer surgeries. // It was found that surgeons trained with the simulators were able to perform the surgeries much better than their peers in performing an interventional technique to repair blockages in the legs.

The presentation is scheduled for presentation on Thursday, April 20, 9:35 a.m., at the 126th annual meeting of the American Surgical Association in Boston.

The double-blinded study also found that residents trained on simulators performed the procedures faster and more accurately and their use of a fluoroscope (similar to an X-ray) was more limited.

"We have really come a long way from the 'see one, do one, teach one' days of surgery," says Dr. K. Craig Kent, the study's principal investigator. "With simulators, surgeons in training can become very good at a particular technique before actually laying hands on a real patient."

When trained with the simulator, residents practice the procedure on the "virtual patient" which lies on an operating table. Just like in a real operating room, the surgeon, surrounded by working monitors, pierces the simulator's "skin" with a needle, inserts a catheter into an "artery," snakes it to the indicated area and executes a repair. Just like with a real patient, what is happening inside the simulator is watched on a monitor -- except that sensors, and not a fluoroscope, provide the images.

The study followed 20 residents of equal ability, divided into two groups -- one trained on the stimulator and the other not. Following training, the participating resident performed two consecutive procedures on actual patients. The surgeries were mentored by attending surgeons who were also grading each resident's performance.

In general, simulators are used to teach interventional techniques -- those in which a catheter is slid into an ar
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