Letter: The Synthetic Ethylene-Vinyl Acetate Bench Model

Denadai, Rafael; Bastos, Érika Malheiros

doi:10.1111/j.1524-4725.2011.02260.x

Cited by 5 publications

(7 citation statements)

References 8 publications

(9 reference statements)

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“…[6] However, as the practice on fresh human cadavers and on live animals is associated with high costs, risks of infections, need of specialized facilities, and legal/ethical aspects, and the use of virtual reality simulators is hampered by the high costs and lack of access,[7] several low- and high-fidelity bench models have been described as teaching and learning tools. [891011121314151617181920]…”

Section: Discussionmentioning

confidence: 99%

“…The adoption of oranges (organic bench model) and many sheets of ethylene-vinyl acetate glued together as low-fidelity simulation platforms during the training phase was carried out according to some principles previously described by our group[161920] and by others. [1718] Chicken legs and pig feet were used as high-fidelity simulation platforms according to some characteristics described by Khalil et al .…”

Section: Methodsmentioning

confidence: 99%

“…[67] These inanimate bench models vary widely regarding their level of fidelity (or “realism”) to living human patients. [7] High-fidelity bench models such as parts of postmortem animals (e.g., ox tongue, cattle digits, and pig, rat and chicken skins[8910111213]) are limited by high costs, low availability, potential for transmission of infectious disease, and ethical concerns[7]; and lower-fidelity bench models such as synthetic or organic materials (e.g., polyurethane foam sheet, synthetic ethylene-vinyl acetate, fruits and vegetables[914151617181920]) sacrifice “realism” for portability, lower costs, and potential for repetitive use. [7]…”

Section: Introductionmentioning

confidence: 99%

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Teaching elliptical excision skills to novice medical students: A randomized controlled study comparing low- and high-fidelity bench models

Denadai

Oshiiwa²,

Saad-Hossne

2014

Indian J Dermatol

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Background:The search for alternative and effective forms of training simulation is needed due to ethical and medico-legal aspects involved in training surgical skills on living patients, human cadavers and living animals.Aims:To evaluate if the bench model fidelity interferes in the acquisition of elliptical excision skills by novice medical students.Materials and Methods:Forty novice medical students were randomly assigned to 5 practice conditions with instructor-directed elliptical excision skills’ training (n = 8): didactic materials (control); organic bench model (low-fidelity); ethylene-vinyl acetate bench model (low-fidelity); chicken legs’ skin bench model (high-fidelity); or pig foot skin bench model (high-fidelity). Pre- and post-tests were applied. Global rating scale, effect size, and self-perceived confidence based on Likert scale were used to evaluate all elliptical excision performances.Results:The analysis showed that after training, the students practicing on bench models had better performance based on Global rating scale (all P < 0.0000) and felt more confident to perform elliptical excision skills (all P < 0.0000) when compared to the control. There was no significant difference (all P > 0.05) between the groups that trained on bench models. The magnitude of the effect (basic cutaneous surgery skills’ training) was considered large (>0.80) in all measurements.Conclusion:The acquisition of elliptical excision skills after instructor-directed training on low-fidelity bench models was similar to the training on high-fidelity bench models; and there was a more substantial increase in elliptical excision performances of students that trained on all simulators compared to the learning on didactic materials.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Teaching elliptical excision skills to novice medical students: A randomized controlled study comparing low- and high-fidelity bench models

Denadai

Oshiiwa²,

Saad-Hossne

2014

Indian J Dermatol

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“…The different inanimate bench models vary in relation to the fidelity level (realism) when compared to a live human being; there are high fidelity models, such as parts of postmortem animals (pig [37, 38, 40, 45, 46], chicken [38, 39, 44], and cattle [48] skins and ox tongue [40–42]) and others of low fidelity, such as plates of ethylene-vinyl acetate [32, 34–38, 47], organic material [33, 49], among others [40, 53]. …”

Section: Discussionmentioning

confidence: 99%

“…This characteristic can serve as an evaluation mechanism with feedback for improving skills [32–34]. Moreover, the markings made on the surfaces of models also serve as an evaluation parameter [33].…”

Section: Assessment and Certificationmentioning

confidence: 99%

Basic Plastic Surgery Skills Training Program on Inanimate Bench Models during Medical Graduation

Denadai

Toledo

Souto

2012

Plastic Surgery International

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Due to ethical and medical-legal drawbacks, high costs, and difficulties of accessibility that are inherent to the practice of basic surgical skills on living patients, fresh human cadaver, and live animals, the search for alternative forms of training is needed. In this study, the teaching and learning process of basic surgical skills pertinent to plastic surgery during medical education on different inanimate bench models as a form of alternative and complementary training to the teaching programs already established is proposed.

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Acquisition of suture skills during medical graduation by instructor-directed training: a randomized controlled study comparing senior medical students and faculty surgeons

et al. 2013

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Due to shortage of time and limited availability of faculty surgeons to teach basic surgical skills during medical graduation, the search for alternative ways of simulated training with feedback is needed. The purpose of this study was to compare the simulated teaching of suture skills to novice medical students by senior medical students and by experienced faculty surgeons. Forty-eight novice medical students were randomly assigned to three practice conditions on bench model (n = 16): self-directed suture training (control), senior medical student-directed suture skills' training, or experienced faculty surgeon-directed suture skills' training. Pre- and post-tests were applied. Global Rating Scale with blinded evaluation and self-perceived confidence based on Likert scale were used to assess all suture performances in pre- and post-training. Effect size was also calculated. The analysis made after training showed that the students who received feedback from the instructors had better performance based on the Global Rating Scale (all p < 0.0000) and felt more confident to carry out sutures (all p < 0.0000) when compared to the control. There was no significant difference (all p > 0.05) between the student-directed teaching and faculty-directed teaching groups. The magnitude of the effect (instructor-directed training suture) was considered large (>0.80) in all measurements. The acquisition of suture skills after student-directed training was similar to the training supervised by faculty surgeon, and the increase in suture performances of trainees that received instructor administered training was superior to self-directed learning.

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Letter: The Synthetic Ethylene-Vinyl Acetate Bench Model

Cited by 5 publications

References 8 publications

Teaching elliptical excision skills to novice medical students: A randomized controlled study comparing low- and high-fidelity bench models

Teaching elliptical excision skills to novice medical students: A randomized controlled study comparing low- and high-fidelity bench models

Basic Plastic Surgery Skills Training Program on Inanimate Bench Models during Medical Graduation

Acquisition of suture skills during medical graduation by instructor-directed training: a randomized controlled study comparing senior medical students and faculty surgeons

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