Background And Aims: Laparoscopic surgery has become the treatment of choice for cholecystectomy. Many studies showed that while this approach benefits the patient, the surgeon faces such distinct disadvantages as a poor ergonomic situation and limited degrees of freedom with limited motion as a consequence. Robots have the potential to overcome these problems. To evaluate the efficiency and feasibility of robotically assisted surgery (RAC), we designed a prospective study to compare it with standard laparoscopic cholecystectomy (SLC).
Materials And Methods: Between 2001 and 2003, 26 patients underwent SLC and 20 patients underwent RAC using the ZEUS system. The feasibility, safety, and possible advantages were evaluated. To assess the efficacy, the total time in the operating room was divided into preoperative, operative, and postoperative time frames.
Results: For RAC in comparison with SLC, the preoperative phase including equipment setup was significantly longer. In the intraoperative phase, the cut-closure time and camera and trocar insertion times were significantly longer. It is interesting to note that the net dissection time for the cystic artery, duct, and the gall bladder was not different from SLC.
Conclusions: The study demonstrates the feasibility of robotically assisted cholecystectomy without system-specific morbidity. There is time loss in several phases of robotic surgery due to equipment setup and deinstallation and therefore, presents no benefit in using the robot in laparoscopic cholecystectomy.
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