Description and Validation of an Innovative and Effective Hand-Shaped Suture-Training Model for Medical Students

Author(s):  
Apostolos Fyllos ◽  
Aristeidis Zibis ◽  
Zoe H. Dailiana

AbstractDuring medical education, medical students are often frustrated by difficulties in translating theoretical anatomical knowledge and basic surgical skills (suturing, tissue and instrument handling, and local anesthetic administration) into practice. A common etiological factor for this difficulty, among others, is lack of a low-cost and easy-to-assemble low fidelity suturing model. The purpose of this study is the demonstration of a validated, practical, inexpensive, hand-shaped anatomy training model. It is addressed to medical students and graduates that wish to get acquainted with neurovascular anatomy of the hand and improve their basic surgical skills. The model requires only two latex gloves, cotton, and two different color markers per trainee to draw the course of large nerve and vessels. Construction requires less than 15 minutes. For validation, 80 students participated as volunteers in the demonstration course. They evaluated course usefulness and their own confidence after the course. According to the 5-point Likert scale, the participants’ confidence increased in a statistically significant way (p < 0.05). All participants (100%) stated that their skills were “significantly improved” in terms of instrument handling, anatomy studying, performing digital anesthesia, and suturing technique. Overall experience was rated as “satisfactory” or above. The proposed model enables safe gentle soft-tissue handling, and it resembles a realistic human tissue. Low cost, availability, and fast construction are the most important characteristics, making this validated training model appropriate for acquiring fundamental local anesthesia, respect for hand neurovascular anatomy, and suturing skills.

Circulation ◽  
2008 ◽  
Vol 118 (suppl_18) ◽  
Author(s):  
Philip Toner ◽  
Michael Connolly ◽  
Patrice McGrath ◽  
Leanne Laverty ◽  
David Connolly ◽  
...  

Aims: Northern Ireland has one of the highest incidences of ischaemic heart disease in the world. Teaching BLS to school children has previously been recommended. Our aim was to assess if eleven year old children can aquire and retain knowledge of basic life support (BLS) skills six months after a course of instruction (Study 1) and to assess the effectiveness of a three tier ‘peer training’ model using medical students, teachers and pupils (Study 2). This would be a cost effective way of significantly decreasing mortality from out-of-hospital cardiac arrests. Methods: The ‘ABC for Life’ programme is a regional course in BLS training in Northern Ireland specifically designed for 10 –12 year old school children. Medical students are trained as instructors in BLS by cardiac resuscitation officers at a major teaching hospital. Children were given a 22 point questionnaire before training and immediately after training to assess acquisition of BLS, and again six months after training to assess retention of knowledge (Study 1). In study 2, medical students instructed teachers how to teach BLS to their pupils. Pupils were given the same questionnaire to assess knowledge of BLS immediately before and after a teacher led training session at their school. Results: Study 1: Children showed a highly significant increase in knowledge following the training session (46.8% vs 82.7%, p<0.001). Six months later their knowledge remained significantly higher than that of a control group who had never been trained (61.1% vs 46.8%, p<0.01). Study 2: Thirty eight teachers were trained from one education board. The first five children trained at each school were randomly selected. Questionnaires were returned for 44.7% pupils at baseline and 42.1% pupils after training. Mean baseline scores improved significantly after training (57.2% vs 77.7%, p<0.001). Conclusion These studies demonstrate that by using medical students and teachers, a large number of children can be trained in a short time period and at relatively low cost. Children can acquire and retain knowledge of BLS for at least six months. The initiative provides manikins and training resources to all schools. To date, the programme has trained 350 schools. We have commenced research of physical skills using a recordable mainikin.


2017 ◽  
Vol 44 (5) ◽  
pp. 545-548 ◽  
Author(s):  
Fernando Antônio Campelo Spencer Netto ◽  
Mariana Thalyta Bertolin Silva ◽  
Michael de Mello Constantino ◽  
Raphael Flávio Fachini Cipriani ◽  
Michel Cardoso

ABSTRACT Objective: to describe and evaluate the acceptance of a porcine experimental model in venous cutdown on a medical education project in Southwest of Brazil. Method: a porcine experimental model was developed for training in venous cutdown as a teaching project. Medical students and resident physicians received theoretical training in this surgical technique and then practiced it on the model. After performing the procedure, participants completed a questionnaire on the proposed model. This study presents the model and analyzes the questionnaire responses. Results: the study included 69 participants who used and evaluated the model. The overall quality of the porcine model was estimated at 9.16 while the anatomical correlation between this and human anatomy received a mean score of 8.07. The model was approved and considered useful in the teaching of venous cutdown. Conclusions: venous dissection training in porcine model showed good acceptance among medical students and residents of this institution. This simple and easy to assemble model has potential as an educational tool for its resemblance to the human anatomy and low cost.


2014 ◽  
Vol 71 (4) ◽  
pp. 459-465 ◽  
Author(s):  
Florian Bauer ◽  
Niklas Rommel ◽  
Kilian Kreutzer ◽  
Jochen Weitz ◽  
Stefan Wagenpfeil ◽  
...  

2018 ◽  
Vol 50 (06) ◽  
pp. 443-445 ◽  
Author(s):  
Sercan Capkin ◽  
Ali Cavit ◽  
Tufan Kaleli

AbstractMicrosurgery is widely used in experimental research models and clinical surgery. However, microsurgical applications require precise technical skills and continuous training. Here, we proposed a low cost, practical microsurgery model, which can be easily applied using smartphones at home or at office. Test platform was created using latex gloves, and a phone holder was then positioned at one side of a table. A smartphone with 10x magnification was secured on the phone holder. Microsurgical device habit, stitching and knotting exercises by making cuts at different angles on the glove model were performed, which was recorded live under the 10x magnification of the phone camera.We believe that the practical microsurgery model presented in this study can form an important part of basic microsurgery education and also act as an alternative training model owing to its ease of application, easy accessibility and low cost.


2012 ◽  
Vol 27 (8) ◽  
pp. 585-588 ◽  
Author(s):  
Avelina Sotres-Vega ◽  
Jaime Villalba-Caloca ◽  
Farid Ramirez-Zamora ◽  
Diana Pérez-Covarrubias ◽  
J. Alfredo Santibáñez-Salgado

PURPOSE: To present a new low-cost high fidelity bench model of cryopreserved trachea that can be used to learn surgical skills from medical students to cardiothoracic surgery fellows. METHODS: Ten tracheas were harvested from ten non-trachea related research dogs at the moment of euthanasia. Each trachea was trimmed in six or seven rings segments. They were cryopreserved and stored during 60 days. The day programmed for surgical skills practice, they were thawed to room temperature. RESULTS: Forty segments have been used. After defrosting, all the segments kept their normal anatomic shape and structural integrity. Two incisions were made on every tracheal segment and sutured with running or separate stitches with 5-0 polypropilene. There were no complications such as cartilage ruptures, neither tears on the mucosae, the cartilages nor the membranous posterior membrane. CONCLUSIONS: The cryopreserved trachea is a high fidelity, practical, reproducible, portable, low-cost bench model. It allows cardiothoracic fellows to learn how to handle a trachea, as well as to perfect their surgical and suture abilities before applying them on a real patient's trachea.


2020 ◽  
Vol 23 (4) ◽  
pp. 274-284 ◽  
Author(s):  
Jingang Che ◽  
Lei Chen ◽  
Zi-Han Guo ◽  
Shuaiqun Wang ◽  
Aorigele

Background: Identification of drug-target interaction is essential in drug discovery. It is beneficial to predict unexpected therapeutic or adverse side effects of drugs. To date, several computational methods have been proposed to predict drug-target interactions because they are prompt and low-cost compared with traditional wet experiments. Methods: In this study, we investigated this problem in a different way. According to KEGG, drugs were classified into several groups based on their target proteins. A multi-label classification model was presented to assign drugs into correct target groups. To make full use of the known drug properties, five networks were constructed, each of which represented drug associations in one property. A powerful network embedding method, Mashup, was adopted to extract drug features from above-mentioned networks, based on which several machine learning algorithms, including RAndom k-labELsets (RAKEL) algorithm, Label Powerset (LP) algorithm and Support Vector Machine (SVM), were used to build the classification model. Results and Conclusion: Tenfold cross-validation yielded the accuracy of 0.839, exact match of 0.816 and hamming loss of 0.037, indicating good performance of the model. The contribution of each network was also analyzed. Furthermore, the network model with multiple networks was found to be superior to the one with a single network and classic model, indicating the superiority of the proposed model.


2020 ◽  
Author(s):  
Nicholas Mark Stansbury ◽  
Erin Nelson

BACKGROUND Current workflow in GYN triage has medical students interviewing patients after triage by nursing staff. The optimal time to initiate patient contact is unclear. This confusion has led to duplication of questions to patients, interruptions for nurses and fewer patient encounters for students. OBJECTIVE Determine if a restaurant-style buzzer can streamline workflow in gynecology (GYN) triage. METHODS A Plan-Do-Study-Act approach was used. Stakeholders were medical students, nurses, Nurse Practitioners and physicians. Factors contributing to workflow slowdown: students re-asking questions of patients, interruption of nursing staff, confusion about optimal patient flow. The net result was fewer interviews completed by students. The project was introduced during clerkship orientation. Buzzers were provided on weeks 1, 3, 5 of the rotation. Weeks 2, 4, 6 no buzzers were provided as an internal control. After each clerkship, students received a survey assessing key areas of waste and workflow disruption. A focus group with ten nurses was also conducted. RESULTS From February-July 2019, 30/45 surveys were completed (66%) 1. Very difficult/difficult to know when to begin the encounter: 90% without; 21.4% with buzzer p<.001 2. Students re-asking questions: very often/often 96.7% without; 14.8% with buzzer p<.001 3. Nursing staff interruptions: 76.7% very often/often without; 18.5% with buzzer p<.001 4. The odds of interviewing 5 or more patients per shift are ~10X greater using the buzzer χ²=14.2; p<.001 CONCLUSIONS The 10 nurses interviewed unanimously favored the use of the buzzer. Introduction of a simple, low-cost restaurant-style buzzer improved triage work-flow, student and nursing experience.


Buildings ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 121
Author(s):  
Hosang Hyun ◽  
Moonseo Park ◽  
Dowan Lee ◽  
Jeonghoon Lee

Modular construction, which involves unit production in factories and on-site work, has benefits such as low cost, high quality, and short duration, resulting from the controlled factory environment utilized. An efficient tower crane lifting plan ensures successful high-rise modular project completion. For improved efficiency, the lifting plan should minimize the reaching distance of the tower crane, because this distance directly affects the tower crane capacity, which is directly related to crane operation cost. In situations where units are lifted from trailers, the trailer-to-tower crane distance can have a significant impact on the tower crane operation efficiency. However, optimization of this distance to improve efficiency has not been sufficiently considered. This research proposes a genetic algorithm optimization model that suggests optimized tower crane and trailer locations. The case study results show that through the proposed model, the project manager can reflect the optimal location selection and optimal tower crane selection options with minimal cost.


2016 ◽  
Vol 54 (4) ◽  
pp. 405-409 ◽  
Author(s):  
Florian Bauer ◽  
Niklas Rommel ◽  
Steffen Koerdt ◽  
Andreas Fichter ◽  
Klaus-Dietrich Wolff ◽  
...  

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