Validation of a three-dimensional printed dry lab pancreaticojejunostomy model in surgical assessment: a cross-sectional study.

BMJ Open

Key Laboratory of Laparoscopic Technology of Zhejiang Province, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou, Zhejiang, China

Published: February 2022

Objectives: Until now, there have been few tools to evaluate whether a surgeon was technically ready to perform a safe pancreaticojejunostomy (PJ). In the current study, we aimed to evaluate whether a three-dimensional model could mimic a real surgical situation and distinguish between surgeons of different levels of experiences.

Design: A three-dimensional PJ dry laboratory model was printed. Eight experienced pancreatic surgeons were tasked to evaluate the appearance and tactile sensation of the model. Proficiency was scored based on 15 surgeons with various levels of pancreatic experience performing a PJ on the three-dimensional model. Additionally, the time of manipulation and NASA Task Load Index (NASA-TLX) scores were recorded for each operation.

Setting: Our study was conducted in multimedical centre in China.

Results: Compared with real surgical situations, this model had similar appearance (3.96±0.55 out of five points) and tactile sensation (3.85±0.46 out of five points) according to the expert evaluation. Additionally, the chief surgeon group scored the best in proficiency (based on NASA-TLX scores and operative time), and there were statistical differences for performances among surgeons of various levels (p0.05).

Conclusion: The three-dimensional PJ model could mimic a real surgical situation and can distinguish between surgeons of different levels of experiences.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8808463PMC
http://dx.doi.org/10.1136/bmjopen-2021-052295DOI Listing

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