Face, content and construct validity of a new realistic trainer for conventional techniques in digestive surgery View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2010-06

AUTHORS

Jörn Gröne, Johannes C. Lauscher, Heinz J. Buhr, Joerg-Peter Ritz

ABSTRACT

PURPOSE: Surgical simulation modules for "open" surgery are limited in contrast to well-studied and validated laparoscopic trainers. In this study, face, content and construct validity of a devised simulation module (Berlin Operation Trainer, BOPT) for handsewn anastomoses in digestive surgery were analysed. MATERIALS AND METHODS: Participants of a skills course for digestive surgery (novices: 1-3 years of training; experts: more than 5 years of training) were timed on performing four defined handsewn digestive anastomoses on formalin fixed porcine intestine in the BOPT. Questionnaires were answered regarding impression with the simulation module concerning appearance and realism using a five-point Likert and a three-point forced choice scale. Face and content validities were evaluated based on the responses of participants and construct validity by comparing novices to experts. Data collected were analysed with Fisher's exact test and two-sample t test. RESULTS: Twenty-two novices (median: second postgraduate year) and 26 experts (median: seventh postgraduate year) were enrolled in the study. The BOPT showed strong face and content validities with average scores for satisfaction parameters above 4.2 +/- 0.41 and 4.1 +/- 0.22, respectively. Construct validity was adequate for anastomosis simulation in the BOPT based on different percentages of anastomosis complete during set time between novices and experts as shown for simple (68.2% vs. 92.3%, p = 0.038) and for difficult anastomosis (18.2% vs. 50.0%, p = 0.021). CONCLUSIONS: The BOPT is a suitable instrument for advanced surgical training for novices and experienced colleagues creating a realistic and demanding situation. Further studies have to evaluate if a more realistic preoperative training will support an effective transfer of learned techniques to the operating room. More... »

PAGES

581-588

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s00423-010-0641-2

DOI

http://dx.doi.org/10.1007/s00423-010-0641-2

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1021529027

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/20354722


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45 schema:description PURPOSE: Surgical simulation modules for "open" surgery are limited in contrast to well-studied and validated laparoscopic trainers. In this study, face, content and construct validity of a devised simulation module (Berlin Operation Trainer, BOPT) for handsewn anastomoses in digestive surgery were analysed. MATERIALS AND METHODS: Participants of a skills course for digestive surgery (novices: 1-3 years of training; experts: more than 5 years of training) were timed on performing four defined handsewn digestive anastomoses on formalin fixed porcine intestine in the BOPT. Questionnaires were answered regarding impression with the simulation module concerning appearance and realism using a five-point Likert and a three-point forced choice scale. Face and content validities were evaluated based on the responses of participants and construct validity by comparing novices to experts. Data collected were analysed with Fisher's exact test and two-sample t test. RESULTS: Twenty-two novices (median: second postgraduate year) and 26 experts (median: seventh postgraduate year) were enrolled in the study. The BOPT showed strong face and content validities with average scores for satisfaction parameters above 4.2 +/- 0.41 and 4.1 +/- 0.22, respectively. Construct validity was adequate for anastomosis simulation in the BOPT based on different percentages of anastomosis complete during set time between novices and experts as shown for simple (68.2% vs. 92.3%, p = 0.038) and for difficult anastomosis (18.2% vs. 50.0%, p = 0.021). CONCLUSIONS: The BOPT is a suitable instrument for advanced surgical training for novices and experienced colleagues creating a realistic and demanding situation. Further studies have to evaluate if a more realistic preoperative training will support an effective transfer of learned techniques to the operating room.
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