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Development and validation of a simulator for teaching minimally invasive thoracic surgery in Brazil

Martins Neto, Francisco; Moura Júnior, Luiz Gonzaga de; Rocha, Hermano Alexandre Lima; Castro Neto, Josué Viana de; Lima, Alexandre Marcelo Rodrigues; Siqueira, Rafael Pontes de; Castillo, Daniela Lima Chow; Moura, Régis Luiz Sabiá de; Valente, Acrísio Sales.
Acta cir. bras; 36(5): e360508, 2021. tab, graf
Artigo em Inglês | LILACS | ID: biblio-1278108


ABSTRACT Purpose To develop and validate a chest cavity simulator for teaching video-assited thoracic surgery (VATS). Methods The first phase of the study consisted of developing a chest cavity simulator. A quasi-experimental study was performed in the second phase, and 25 surgeons and residents participated in a three-stage pulmonary suture experiment. The videos were recorded and timed. Generalized linear regression models for repeated measures were used to analyze the outcome change over time. Results The chest cavity simulator consists of a console simulating the left hemithorax. Among the participants, 96% rated the design, visual aspect, positioning ergonomics, and triangulation of the portals as very good or excellent (face validity). There was a decrease in suturing time in step 1 from 435.7 ± 105 to 355.6 ± 76.8 seconds compared to step 3 (p = 0.001). The evaluation of the simulation effectiveness and performance (content validity) was rated as very good or excellent by 96% ofparticipants. The most experienced surgeon showed significant reduction in procedure time (p = 0.021) (construct validity). Conclusions The thoracic cavity simulator is realistic, showing content and construct validity, and can be used in VATS training. The simulation model allowed skill gain in the endoscopic suture.
Biblioteca responsável: BR1.1