Comparison of Veterinary Student Ability to Learn 1-Handed and 2-Handed Techniques for Surgical Knot Tying

Veterinary Surgery : VS
Angharad C J ThomasJackie L Demetriou

Abstract

To determine which type of surgical hand-tie trainee surgeons learn most readily in a laboratory setting, using a combination of audiovisual demonstration and one-on-one teaching. Randomized controlled learning trial. Year 4 veterinary students in their 1st year of clinical training (n = 58). Veterinary students entering clinical rotations were randomly allocated to 2 learning groups: 1-handed (28 students) or 2-handed (30 students) surgical ties. Knot tying technique was taught followed by three 15-minute practice sessions with student progress recorded by filming each student tying a square knot (2 throws). All 3 knot tying attempts were scored for technique and knot formation. Data on potential confounding factors between groups, including age and gender, were recorded. There were no significant differences between group scores for each attempt (1st attempt P = .5; 2nd P = .2; 3rd P = .19). Initially, scores indicated more rapid learning in the 1-handed group but fewer individuals achieved a perfect technique and knot after 60 minutes of learning (29/30 for 2-handed; 24/28 for 1-handed group). The 1-handed group was the most error-prone (after 45 minutes P < .01; after 60 min P < .01). Over 95% of students in the 2-handed gr...Continue Reading

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Citations

Jul 3, 2018·Journal of the American Veterinary Medical Association·Gessica GiustoMarco Gandini
May 13, 2020·Veterinary Surgery : VS·Stephanie L ShaverErik H Hofmeister

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