Cirugia pediatrica : organo oficial de la Sociedad Espanola de Cirugia Pediatrica · 2022
Pilot study for low-cost model validation in laparoscopic pediatric pyeloplasty simulation.
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Cabarcas Maciá L, Marmolejo Franco F, Siu Uribe A, Palomares Garzón C, Rojo Díez R
Аннотация
OBJECTIVE: To describe the creation of an original 3D-printed liquid latex model designed for laparoscopic pyeloplasty (LP) simulation in infants, and to assess its usefulness.
MATERIALS AND METHODS: A 3D model of a dilated pelvis and a ureter with ureteropelvic junction obstruction (UPJO) was designed. It was covered in liquid latex, which allowed flexible models to be achieved in order to conduct pyeloplasty in a pelvitrainer. The total price of each model was 6 euros. A nearly-experimental, non-randomized, blind study was carried out, while measuring operating times and OSATS (Objective Structured Assessment of Technical Skills) scores. Following simulation completion, a survey based on Likert scale was conducted to assess overall appearance, texture, usefulness, and probability of recommending the model for regular training.
RESULTS: 8 pediatric surgeons spent a median of 71.5 minutes (range: 50-86), and rated the model with a median 20.1/30 (range: 17-24) OSATS score. The model received a 4.25 (range: 3-5) score in terms of overall appearance, a 4.37 (range: 3-5) score in terms of texture, a 4.5 (range: 4-5) score in terms of usefulness, and a 4.6 (range: 4-5) score in terms of probability of recommending the model for regular training.
CONCLUSIONS: Our liquid latex model for laparoscopic pyeloplasty simulation is feasible, with favorable preliminary results. Its usefulness in laparoscopic pyeloplasty training is promising.
MATERIALS AND METHODS: A 3D model of a dilated pelvis and a ureter with ureteropelvic junction obstruction (UPJO) was designed. It was covered in liquid latex, which allowed flexible models to be achieved in order to conduct pyeloplasty in a pelvitrainer. The total price of each model was 6 euros. A nearly-experimental, non-randomized, blind study was carried out, while measuring operating times and OSATS (Objective Structured Assessment of Technical Skills) scores. Following simulation completion, a survey based on Likert scale was conducted to assess overall appearance, texture, usefulness, and probability of recommending the model for regular training.
RESULTS: 8 pediatric surgeons spent a median of 71.5 minutes (range: 50-86), and rated the model with a median 20.1/30 (range: 17-24) OSATS score. The model received a 4.25 (range: 3-5) score in terms of overall appearance, a 4.37 (range: 3-5) score in terms of texture, a 4.5 (range: 4-5) score in terms of usefulness, and a 4.6 (range: 4-5) score in terms of probability of recommending the model for regular training.
CONCLUSIONS: Our liquid latex model for laparoscopic pyeloplasty simulation is feasible, with favorable preliminary results. Its usefulness in laparoscopic pyeloplasty training is promising.