Validation of a low cost model for training retrocecal laparoscopic appendectomy
Year: 2025
Type: article
Abstract: Laparoscopic appendectomy is one of the most common general surgical procedures, often performed by junior residents. Training programs using inanimate bench models have shown to contribute to skills development, but require validation to ensure reliability. A low-cost model was developed and included in our hands-on courses in 2022. After academic lectures and video demonstration, all participants performed the procedure in pairs, in our pediatric gruyere-like-training-box, under supervision. Time and critical maneuvers were assessed.Participants evaluated the model’s fidelity and utility using a Likert-type scale. Statistical analysis was performed with R-Studio®. 58 participants with different experience levels (32.7% low, 44.8% high) evaluated the model. Regarding anatomical validation, good or high similarity was reported for external appearance (79.3%), instruments position (84.4%), internal dimension and working area (86.2%), appearance of the endoscopic view (89.7%) and surgical anatomy versus real surgery (91.4%). All participants reported good acquisition or greatly improvement of skills in trocar placement (86.2%); camera handling (94.8%), use of 5 mm instruments (93.1%), dissection (81.1%), ligation and cutting (93.1%), appendix bagging (96.6%), and extraction (94.8%). Experience levels were symmetrically distributed. We developed a challenging low-cost simulation retrocecal appendix model that replicates the pediatric anatomy. Preliminary evaluation suggests it is effective for training in laparoscopic skills, including teamwork and intraoperative coordination. Its integration into surgical simulation curricula would improve the learning curve and reduce operative times and complications, which should be demonstrated in future studies.
Authors: Alejandra Georgina Falcioni, Paula Lorena Roumieu, Macarena Roel, Patricia Sara Martinez, Silvina Ruvinsky, Maria Marcela Bailez
Institution: Garrahan Hospital
Language: English
Subfield: Surgery
Field: Medicine
Domain: Health Sciences
Open Access status: gold
Estimated APC paid: $2,050
OpenAlex ID: W4416716397