Abstract
Purpose: Various studies have shown the benefit of three-dimensional (3D) systems over two-dimensional (2D) systems in endoscopic surgery. However, few studies have focused on pediatric endosurgery. The purpose of this study was to assess the impact of 2D and 3D environments on the time taken and forceps manipulation by comparing experts and trainees using a laparoscopic hepaticojejunostomy simulator. Methods: We have developed a simulator of laparoscopic hepaticojejunostomy for congenital biliary dilatation. Seventeen participants of pediatric surgeons (4 experts and 13 trainees) performed hepaticojejunostomy using our simulator in both 2D and 3D environment. We evaluated the required time, total path length, and average velocities of bilateral forceps in both situations. Results: Obtained results show the findings for the required time (seconds; 2D, experts: 810.43 ± 321.64 vs. trainees: 1136.02 ± 409.96, P = .17) (seconds; 3D, experts: 660.21 ± 256.48 vs. trainees: 1017 ± 280.93, P = .039), total path length of right forceps (mm; 2D, experts: 38838.23 ± 30686.63 vs. trainees: 52005.47 ± 31675.02, P = .48)(mm; 3D, experts: 24443.09 ± 12316.32 vs. trainees: 45508.09 ± 26926.27, P = .16), total path length of left forceps (mm; 2D, experts: 131635.54 ± 71669.94 vs. trainees: 245242.48 ± 130940.25, P = .48)(mm; 3D, experts: 88520.42 ± 56766.63 vs. trainees: 230789.75 ± 107315.85, P = .024), average velocities of right forceps (mm/second; 2D, experts: 44.80 ± 21.85 vs. trainees: 44.37 ± 18.92, P = .97) (mm/second; 3D, experts: 37.28 ± 16.49 vs. trainees: 42.58 ± 14.40, P = .54), average velocities of left forceps (mm/second; 2D, experts: 156.65 ± 38.69 vs. trainees: 202.58 ± 63.80, P = .20) (mm/second; 3D, experts: 125.64 ± 44.30 vs. trainees: 219.42 ± 43.82, P < .01). Conclusion: The experts performed more effectively when using the 3D system. Using 3D, the total path length of the left forceps of expert pediatric surgeons was significantly shorter than trainee pediatric surgeons, and the average velocities of the left forceps tip of expert pediatric surgeons was significantly slower than trainee pediatric surgeons. These results suggest that training of assisting hand is necessary for advanced pediatric endosurgery to avoid organ injury.
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More From: Journal of Laparoendoscopic & Advanced Surgical Techniques
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