Computer-Assisted Teaching of Skin Flap Surgery: Validation of a Mobile Platform Software for Medical Students

被引:25
作者
de Sena, David P. [1 ]
Fabricio, Daniela D. [2 ]
Lopes, Maria Helena I. [3 ]
da Silva, Vinicius D. [4 ]
机构
[1] Pontificia Univ Catolica Rio Grande do Sul, Postgrad Program Hlth Sci, Porto Alegre, RS, Brazil
[2] Pontificia Univ Catolica Rio Grande do Sul, Dept Otorhinolaryngol, Hosp Sao Lucas, Porto Alegre, RS, Brazil
[3] Pontificia Univ Catolica Rio Grande do Sul, Fac Med, Dept Internal Med, Porto Alegre, RS, Brazil
[4] Pontificia Univ Catolica Rio Grande do Sul, Fac Med, Dept Pathol & Radiat, Porto Alegre, RS, Brazil
来源
PLOS ONE | 2013年 / 8卷 / 07期
关键词
RANDOMIZED-CONTROLLED-TRIAL; BENCH MODEL FIDELITY; OPERATING-ROOM PERFORMANCE; SURGICAL SKILLS; TECHNICAL SKILL; VIRTUAL-REALITY; SIMULATION; EDUCATION; ACQUISITION; FEEDBACK;
D O I
10.1371/journal.pone.0065833
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The purpose of this study was to develop and validate a multimedia software application for mobile platforms to assist in the teaching and learning process of design and construction of a skin flap. Traditional training in surgery is based on learning by doing. Initially, the use of cadavers and animal models appeared to be a valid alternative for training. However, many conflicts with these training models prompted progression to synthetic and virtual reality models. Fifty volunteer fifth- and sixth-year medical students completed a pretest and were randomly allocated into two groups of 25 students each. The control group was exposed for 5 minutes to a standard text-based print article, while the test group used multimedia software describing how to fashion a rhomboid flap. Each group then performed a cutaneous flap on a training bench model while being evaluated by three blinded BSPS (Brazilian Society of Plastic Surgery) board-certified surgeons using the OSATS (Objective Structured Assessment of Technical Skill) protocol and answered a post-test. The text-based group was then tested again using the software. The computer-assisted learning (CAL) group had superior performance as confirmed by checklist scores (p<0.002), overall global assessment (p = 0.017) and post-test results (p<0.001). All participants ranked the multimedia method as the best study tool. CAL learners exhibited better subjective and objective performance when fashioning rhomboid flaps as compared to those taught with standard print material. These findings indicate that students preferred to learn using the multimedia method.
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页数:6
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