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CC BY 4.0 · Rev Bras Ortop (Sao Paulo) 2024; 59(03): e449-e455
DOI: 10.1055/s-0044-1785666
Artigo Original
Quadril

Analysis of the Accuracy of CAM-type Deformity Resection on a Low-cost Arthroscopic Simulator in a Training Scenario

Article in several languages: português | English
Bruno Gonçalves Schroder e Souza 
1   Faculdade de Ciências Médicas e da Saúde de Juiz de Fora, Juiz de Fora, MG, Brasil
,
Vitor Homero Vieira 
2   Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brasil
,
Marcos Miranda 
1   Faculdade de Ciências Médicas e da Saúde de Juiz de Fora, Juiz de Fora, MG, Brasil
,
Luiz Guilherme Vidal Assad de Carvalho 
3   Cirurgia do Quadril, Hopspital Belo Horizonte, Belo Horizonte, MG, Brasil
,
Flavia de Souza Bastos 
4   Departamento de Mecânica Aplicada e Computacional, Programa de Pós-Graduação em Modelagem Computacional, Juiz de Fora, MG, Brasil
,
João Vitor Delgado Vilas Boas 
2   Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brasil
› Author Affiliations Financial Support This work was supported by the scientific initiation program of the Faculdade de Ciências Medicas Suprema, as well as the PIBIC/Cnpq scientific initiation program of the Universidade Federal de Juiz de Fora.
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Abstract

Objective To evaluate surgeons' performance in resecting CAM-type deformities using a realistic arthroscopic surgery simulator.

Methods An arthroscopic simulator was created using low-cost materials with the help of a GTMax Core A1 3D printer and the programs Invesalius and Meshmixer 2017, which were used to develop femoral head parts in ABS material, with the presence of a CAM-type deformity, to mimic a femoroacetabular impact situation. After the operations were performed by 16 surgeons, the femurs were compared to a previous model with deformity and another without, using Cloudcompare, and parameters such as the volumetric difference between the operated femurs, with and without deformity, the minimum and maximum distance between them, the percentage of the deformity resected, the estimated time for total resection of the deformity, as well as a qualitative analysis based on the images and graphs provided by the program representing the areas of the parts resected, were evaluated at the end.

Results The average resection speed was 34.66 mm3/min (SD = 46 mm3/min, max = 147.33; min = -2.66). The average resection rate was 26.2% (SD = 34.7%, max = 111; min = -2). Qualitative analysis showed hyporesection of deformities and sometimes hyperresection of nondeformed areas. The simulator was highly rated by the surgeons, with a tactile sensation very similar to real surgery, according to them.

Conclusion Arthroscopic simulators have proved very useful in training less experienced surgeons.

Keywords

arthroscopy - femoracetabular impingement - hip - simulation training

Work carried out at the Juiz de Fora School of Medical and Health Sciences/Suprema, Juiz de Fora, MG, Brazil.




Publication History

Received: 16 November 2023

Accepted: 15 January 2024

Article published online:
22 June 2024

© 2024. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution 4.0 International License, permitting copying and reproduction so long as the original work is given appropriate credit (https://creativecommons.org/licenses/by/4.0/)

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