ABSTRACT The landscape of surgical training is rapidly evolving with the advent of artificial intelligence (AI) and its integration into education and simulation. This manuscript aims to explore the potential applications and benefits of AI-assisted surgical training, particularly the use of large language models (LLMs), in enhancing communication, personalizing feedback, and promoting skill development. We discuss the advancements in simulation-based training, AI-driven assessment tools, video-based assessment systems, virtual reality (VR) and augmented reality (AR) platforms, and the potential role of LLMs in the transcription, translation, and summarization of feedback. Despite the promising opportunities presented by AI integration, several challenges must be addressed, including accuracy and reliability, ethical and privacy concerns, bias in AI models, integration with existing training systems, and training and adoption of AI-assisted tools. By proactively addressing these challenges and harnessing the potential of AI, the future of surgical training may be reshaped to provide a more comprehensive, safe, and effective learning experience for trainees, ultimately leading to better patient outcomes. . (AI simulation AIassisted assisted LLMs, , (LLMs) communication feedback development simulationbased based AIdriven driven tools videobased video systems VR (VR AR (AR platforms transcription translation addressed reliability concerns comprehensive safe trainees outcomes (LLMs

RESUMO O cenário do treinamento cirúrgico está evoluindo rapidamente com o surgimento da inteligência artificial (IA) e sua integração na educação e simulação. Este artigo explora as aplicações e benefícios potenciais do treinamento cirúrgico assistido por IA, em particular o uso de modelos de linguagem avançados (MLAs), para aprimorar a comunicação, personalizar o feedback e promover o desenvolvimento de habilidades. Discutimos os avanços no treinamento baseado em simulação, ferramentas de avaliação impulsionadas por IA, sistemas de avaliação baseados em vídeo, plataformas de realidade virtual (RV) e realidade aumentada (RA), e o papel potencial dos MLAs na transcrição, tradução e resumo do feedback. Apesar das oportunidades promissoras apresentadas pela integração da IA, vários desafios devem ser abordados, incluindo precisão e confiabilidade, preocupações éticas e de privacidade, viés nos modelos de IA, integração com os sistemas de treinamento existentes, e treinamento e adoção de ferramentas assistidas por IA. Ao abordar proativamente esses desafios e aproveitar o potencial da IA, o futuro do treinamento cirúrgico pode ser remodelado para proporcionar uma experiência de aprendizado mais abrangente, segura e eficaz para os aprendizes, resultando em melhores resultados para os pacientes. IA (IA simulação MLAs, , (MLAs) comunicação habilidades vídeo RV (RV RA, RA (RA) transcrição abordados confiabilidade privacidade existentes abrangente aprendizes pacientes (MLAs (RA

RESUMO RACIONAL: A pandemia de COVID-19 teve um efeito negativo na educação cirúrgica na América Latina, diminuindo o treinamento cirúrgico dos residentes e a prática clínica supervisionada. OBJETIVOS: Identificar estratégias que foram propostas ou implementadas para adaptar o treinamento cirúrgico e a prática clínica supervisionada às limitações relacionadas ao COVID-19 na América Latina. MÉTODOS: Foi realizada revisão de literatura entre abril-maio de 2021, dividida em duas buscas. O primeiro procurou identificar estratégias de adaptação em América Latina para treinamento cirúrgico e prática clínica supervisionada. A segunda foi realizada como complemento para identificar metodologias propostas no resto do mundo. RESULTADOS: Na primeira busca, foram selecionados 16 dos 715 artigos. Na segunda, foram selecionados 41 dos 1.637 artigos. Estratégias adaptativas propostas na América Latina com foco em videoconferência e simulação. No resto do mundo, foram sugeridas análises críticas remotas de cirurgias gravadas/ao vivo, tele-mentoria intra-cirúrgica e gravação de cirurgia com feedback pós-operatório. CONCLUSÕES: Múltiplas estratégias de adaptação para educação cirúrgica durante a pandemia de COVID-19 foram propostas na América Latina e no resto do mundo. Há uma oportunidade de implementar novas estratégias a longo prazo para treinamento cirúrgico e prática clínica supervisionada, embora mais estudos prospectivos sejam necessários para gerar recomendações baseadas em evidências.

ABSTRACT BACKGROUND: The COVID-19 pandemic has had a negative effect on surgical education in Latin America, decreasing residents’ surgical training and supervised clinical practice. AIMS: This study aimed to identify strategies that have been proposed or implemented to adapt surgical training and supervised clinical practice to COVID-19-related limitations in Latin America. METHOD: A literature review was performed between April and May 2021, divided into two searches. The first one sought to identify adaptation strategies in Latin America for surgical training and supervised clinical practice. The second one was carried out as a complement to identify methodologies proposed in the rest of the world. RESULTS: In the first search, 16 of 715 articles were selected. In the second one, 41 of 1,637 articles were selected. Adaptive strategies proposed in Latin America focused on videoconferencing and simulation. In the rest of the world, remote critical analysis of recorded/live surgeries, intrasurgical tele-mentoring, and surgery recording with postoperative feedback were suggested. CONCLUSIONS: Multiple adaptation strategies for surgical education during the COVID-19 pandemic have been proposed in Latin America and the rest of the world. There is an opportunity to implement new strategies in the long term for surgical training and supervised clinical practice, although more prospective studies are required to generate evidence-based recommendations.

ABSTRACT BACKGROUND: The advantages of laparoscopic surgery over traditional open surgery have changed the surgical education paradigm in the past 20 years. Among its benefits are an improvement in clinical outcomes and patient safety, becoming the standard in many surgical procedures. However, it encompasses an additional challenge due to the complexity to achieve the desired competency level. Simulation-based training has emerged as a solution to this problem. However, there is a relative scarcity of experts to provide personalized feedback. Technology-Enhanced Learning could be a valuable aid in personalizing the learning process and overcoming geographic and time-related barriers that otherwise would preclude the training to happen. Currently, various educational digital platforms are available, but none of them is able to successfully provide personalized feedback. AIMS: The aim of this study was to develop and test a proof of concept of a novel Technology-Enhanced Learning laparoscopic skills platform with personalized remote feedback. METHODS: The platform “Lapp,” a web and mobile cloud-based solution, is proposed. It consists of a web and mobile application where teachers can evaluate remotely and asynchronously exercises performed by students, adding personalized feedback for trainees to achieve a learning curve wherever and whenever they train. To assess the effectiveness of this platform, two groups of students were compared: 130 participants received in-person feedback and 39 participants received remote asynchronous feedback throughout the application. RESULTS: The results showed no significant differences regarding competency levels among both groups. CONCLUSION: A novel Technology-Enhanced Learning strategy consisting of remote asynchronous feedback throughout Lapp facilitates and optimizes learning, solving traditional spatiotemporal limitations. BACKGROUND 2 years safety procedures However level Simulationbased Simulation based problem TechnologyEnhanced Technology Enhanced timerelated time related happen Currently available AIMS METHODS Lapp, “Lapp, cloudbased cloud proposed train compared 13 inperson person 3 RESULTS CONCLUSION limitations “Lapp 1

RESUMO RACIONAL: As vantagens da cirurgia laparoscópica sobre a cirurgia aberta tradicional mudaram o paradigma da educação cirúrgica nos últimos 20 anos, tornando-se o padrão em muitos procedimentos cirúrgicos. No entanto, envolve um desafio adicional devido à complexidade para atingir o nível de competência desejado. O treinamento baseado em simulação surgiu como uma solução. No entanto, há uma relativa escassez de especialistas para fornecer feedback personalizado. A Technology Enhanced Learning pode ser uma ajuda valiosa na personalização do processo de aprendizagem e na superação de barreiras geográficas e temporais que impediriam o treinamento. Atualmente, várias plataformas educacionais estão disponíveis, mas nenhuma delas é capaz de fornecer feedback personalizado. OBJETIVOS: desenvolver e testar uma prova de conceito de uma nova plataforma de habilidades laparoscópicas da Technology Enhanced Learning com feedback remoto personalizado. MÉTODOS: É proposta a plataforma “Lapp”, uma solução web e móvel baseada em nuvem. É composta por uma aplicação web em que os professores podem avaliar remotamente e de forma assíncrona exercícios realizados pelos alunos, adicionando feedback personalizado para os formandos alcançarem uma curva de aprendizagem onde e quando treinam. Para avaliar a eficácia desta plataforma, dois grupos de alunos foram comparados. 130 participantes receberam feedback pessoal e 39 participantes receberam feedback remoto assíncrono em todo o aplicativo. RESULTADOS: Os resultados não mostraram diferenças significativas em relação ao nível de competência entre os dois grupos. CONCLUSÕES: Uma nova estratégia Technology Enhanced Learning que consiste em feedback assíncrono remoto em toda a Lapp facilita e otimiza o aprendizado, resolvendo as limitações espaço-temporais tradicionais. RACIONAL 2 anos tornandose tornando se cirúrgicos entanto desejado Atualmente disponíveis OBJETIVOS MÉTODOS Lapp, , “Lapp” nuvem treinam comparados 13 3 aplicativo RESULTADOS CONCLUSÕES aprendizado espaçotemporais espaço tradicionais “Lapp 1

Introduction: Non-compressible torso hemorrhage currently has a high morbidity and mortality even in the most specialized referral centers. REBOA is an emerging tool that is used as early hemostatic control in this type of patient. Clinical Case: We present the case of a 25-year-old female patient who suffers severe pelvic trauma after falling from a height. He was admitted hemodynamically unstable, for which a massive transfusion protocol was activated and a right common femoral arterial access was performed. After presenting a transient response to resuscitation, a REBOA balloon was installed in zone 3, increasing systolic pressure up to 130 mmHg, later transferring to the operating room. Preperitoneal pelvic packing and external fixation were performed, deflating the balloon after 29 minutes in zone 3. The patient left the intensive care unit without vasoactive drugs, to complete surgery 48 hours later and definitive fixation 6 days later. The patient evolves in good general condition.

Resumen Introducción: La hemorragia no compresible de torso, actualmente tiene una alta morbimortalidad aún en los centros de referencia más especializados. El REBOA es una herramienta emergente que se utiliza como control hemostático precoz en este tipo de pacientes. Caso Clínico: Presentamos el caso de una paciente femenina de 25 años que sufre un trauma pélvico grave tras caer de altura. Ingresa hemodinámicamente inestable por lo cual se activa protocolo de transfusión masiva y realiza acceso arterial femoral común derecho. Al presentar una respuesta transitoria a la reanimación, se instala balón de REBOA en zona 3, logrando aumentar presión sistólica hasta 130 mmHg, trasladando posteriormente a quirófano. Se realiza packing pélvico preperitoneal y fijación externa, desinflando el balón después de 29 min en zona 3. La paciente sale a unidad de cuidados intensivos sin drogas vasoactivas, para completar cirugía a las 48 h y fijación definitiva 6 días después. La paciente evoluciona en buenas condiciones generales.

Aim: To describe the design and creation of a high-fidelity thoracic trauma surgery simulation model incorporating 3D printing technology using a cadaveric human torso as a model. Materials and Method: This is a descriptive study that aims to illustrate the creation process of a thoracic trauma surgery simulation model throughout the incorporation of prototypes and dynamic iteration technologies. Results: A high-fidelity reusable thoracic trauma surgery simulation model was created from the digitalization of a cadaveric torso using a computed tomography scan. Throughout digital reconstruction tools, the subcutaneous, muscular, and skeletal structures were modeled from images obtained before and after an anterolateral thoracotomy. Using 3D printing and synthetic materials, a high-fidelity thoracic cavity was built so that perfused and ventilated porcine heart and lungs could be placed. A thoracotomy patch for the anterolateral thoracotomy was designed in a reusable and low-cost fashion. This simulation model is suitable for high fidelity training in the surgical management of cardiopulmonary traumatic injuries. Conclusion: The described methodology allowed the creation of a simulation model for training and assessment of surgical skills in thoracic trauma. The main components of the simulation model are made from reusable materials, broadening access to low-cost, high fidelity training.

Resumen Objetivo: Presentar la elaboración de un simulador de trauma torácico de alta fidelidad elaborado mediante modelamiento e impresión 3D a partir de un torso humano cadavérico. Materiales y Método: Estudio descriptivo del desarrollo de un simulador de trauma torácico utilizando metodología centrada en el prototipado y la iteración basada en testeos. Resultados: Se elaboró un simulador reutilizable mediante la digitalización de un torso cadavérico utilizando tomografía computada. Se realizó una reconstrucción digital del torso diseñando los planos subcutáneos, muscular y óseo en base a las imágenes del paciente pre y postoracotomía anterolateral. Utilizando impresión 3D y materiales sintéticos, se elaboró la caja torácica para luego instalar un corazón y pulmón porcino ventilado y perfundido. Los parches de la toracotomía son reemplazables y de bajo costo. En conjunto, este simulador permite el entrenamiento en manejo de lesiones traumáticas cardiacas y pulmonares de alta fidelidad. Conclusión: La metodología presentada permite la creación de un modelo para el entrenamiento y evaluación de habilidades quirúrgicas en trauma torácico. Los elementos principales del simulador son reutilizables y permiten mantener bajos los costos del entrenamiento.

RESUMO Racional: Trauma é uma das principais causas de morte no mundo e cuidados cirúrgicos adequados são críticos para determinar a mortalidade. No Chile, morte associada a trauma é a primeira causa de mortalidade na população entre 20 e 59 anos. Para lidar com esses pacientes complexos, são necessárias habilidades cirúrgicas precisas para esses procedimentos. Autoconfiança de cirurgiões recentemente graduados na Residência em Cirurgia Geral para práticas de procedimentos de trauma no nosso país não tem sido reportada. Objetivo: Descrever nível de autoconfiança para lidar com procedimentos de trauma em cirurgiões recentemente graduados na residência de cirurgia geral. Método: Estudo transversal. Foi desenhada e aplicada uma enquete em 2015, 2016 e 2017 a cirurgiões recentemente graduados para pesquisar sobre autoconfiança e habilidades cirúrgicas para lidar com cenários de trauma. Foram avaliados 18 procedimentos cirúrgicos de trauma (incluindo procedimentos cervicais, torácicos, abdominais e vasculares) usando a 5-grade Likert Scale. O número total de procedimentos feitos durante a residência foi avaliado. Resultados: Foram incluídos 88 cirurgiões recentemente graduados. O nível de competência foi reportado como alto em procedimentos como trauma intestinal, onde 98% sentiu-se competente ou muito competente em sua reparação. Por outro lado, em traumas complexos como dano vascular maior, até 76% reportaram não se sentirem competentes. A autoconfiança nos procedimentos esteve diretamente associada com o número de procedimentos realizados. Conclusões: Cirurgiões recentemente graduados na residência de cirurgia geral reportam níveis altos de confiança para lidar com traumas de complexidade baixa e média, mas um nível menor de confiança para tratar casos de complexidade alta.

ABSTRACT Background: Trauma is one of the leading causes of death in the world and proper surgical care is critical to impact mortality. In Chile, trauma associated death ranks first as mortality cause in population between 20 and 59 years old. Appropriate surgical skills are required to deal with these complex patients. Self-confidence to practice trauma procedures after the General Surgery Residency have not been reported in our country. Aim: Describe the level of self-confidence to deal with trauma procedures of surgeons who recently graduated from a General Surgery Residency. Method: Descriptive cross-sectional study. We designed and applied a survey in 2015, 2016 and 2017 to recently graduated surgeons, to inquire about self-confidence of surgical skills to deal with trauma scenarios. Eighteen trauma surgery procedures (including cervical, thoracic, abdominal and vascular procedures) were evaluated using a 5-grade Likert scale. The number of procedures performed during the residency was also queried. Results: Eighty-eight recently graduated surgeons from 11 different training programs in Chile were included. The report of competencies was high in procedures such as intestinal injuries, were 98% felt competent or very competent in their repair. On the other hand, in complex traumas such as major vessel injury, up to 76% reported not being competent. Self-confidence on procedures was directly associated with the number of procedures performed during residency. Conclusions: Recently graduated surgeons from General Surgery Programs report high levels of confidence to deal with low and intermediate complexity traumas, but a lower level of confidence to treat high complexity cases.

Aim: To establish the face, content, and construction validity of a flexible ureterorenoscopy simulation program. Materials and Method: A simulation model for flexible ureterorenoscopy was developed using silicone on which eight colored marks were marked on the calyxes. For validation, expert urologists and residents with varying amounts of experience in this procedure were recruited. They were separated into three groups: 1) G1 for residents without experience in ureteroscopy; 2) G2 for residents with variable experience; and 3) G3 for expert urologists. They were asked to perform a full navigation of the model in a maximum time of 600 sec. At the end, each participant answered a survey regarding the usefulness and realistic nature of the model. In addition, total time, number of marks found, and times of re-entry to the calyxes were measured. Results: A median of 8.6 points was obtained for the utility of the model and 6.75 points for its realistic nature. The total navigation times were 504, 293, and 133 seconds for G1, G2, and G3, respectively (p = 0.02). Of the eight marks, an average of 5.1, 6.6, and 7.3, (p = 0.18) were found with an average of 9.5, 3.8, and 1.3 exploration reattempts at the chalices in the corresponding groups (p = 0.11). Conclusions: Face and content validity was established for this simulation model of flexible ureterorenoscopy. This flexible ureterorenoscopy simulation program allowed us to differentiate the level of expertise in terms of reduction in navigation time.

Resumen Objetivo: Establecer validez aparente, de contenido y constructo, de un programa de simulación de ureterorrenoscopía flexible. Materiales y Método: Se desarrolló un modelo de simulación de silicona para ureterorrenoscopía flexible, en el cual se establecieron 8 marcas de colores en los distintos cálices. Para la validación, se reclutaron urólogos expertos y residentes de urología con experiencia variable en este procedimiento. Se separaron en 3 grupos: G1 para residentes sin experiencia en ureteroscopía, G2 para residentes con experiencia variable y G3 para urólogos expertos. Se les solicitó realizar una navegación completa del modelo, en un tiempo máximo de 600 segundos. Al finalizar, cada participante contestó una encuesta respecto a la utilidad y realismo del modelo. Además, se midió tiempo total, número de puntos encontrados y cantidad de veces de reingreso a los cálices para validación de constructo. Resultados: 15 personas participaron en la evaluación. Se obtuvo una mediana de 8,6 puntos para la utilidad del modelo y 6,75 puntos para el realismo de este. Los tiempos totales de navegación fueron 504, 293 y 133 segundos para G1, G2 y G3 respectivamente (p = 0,02). De las 8 marcas, se encontraron en promedio 5,1, 6,6 y 7,3 (p = 0,18), presentando un promedio de 9,5, 3,8 y 1,3 reintentos de exploración de los cálices en los respectivos grupos (p = 0,11). Conclusiones: Se establece validez aparente y contenido para un modelo de ureterorrenoscopía flexible. El programa de simulación de ureterorrenoscopía flexible establecido, permite diferenciar novatos de expertos en cuanto a reducción en los tiempos de navegación.

Introduction: Although intracorporeal anastomosis has demonstrated clinical benefits over extracorporeal anastomosis in laparoscopic right hemicolectomy, its application has been limited due to its technical difficulty and longer learning curve. The present study aims to develop and evaluate a simulated model to train this procedure. Materials and Method: An ex vivo tissue model was developed with porcine colon and bovine small bowel mounted in a laparoscopic simulator. This was subsequently modified based on semi-structured interviews to experts until the final model was achieved. To evaluate appearance and reaction to the model, the participants performed an ileocolic mechanical anastomosis in the model and answered a survey. Results: Twelve subjects participated. Four colorectal surgeons, 4 colorectal surgery fellows, 2 residents of general surgery, 1 general surgeon and 1 upper digestive surgeon. Of all subjects, 91.6%, 83.3% and 75% deemed ergonomics achieved, the use of instruments, and the anatomical relationship between structures as similar to reality, respectively. All participants deemed the model useful to train laparoscopic manual suturing, while 91.6% and 83.3% of them considered it useful to train enterotomies and the use of an endostapler, respectively. All declared that the model allows to understand the proposed technique. Conclusion: This model would be useful to train critical skills to perform an intracorporeal anastomosis in laparoscopic right hemicolectomy. Its incorporation into an advanced simulated laparoscopy training program could help shorten the learning curve of this procedure.

Resumen Introducción: Si bien la anastomosis intracorpórea (AI) ha demostrado beneficios clínicos sobre la anastomosis extracorpórea (AE) en la hemicolectomía derecha laparoscópica (HDL), su aplicación ha sido limitada por su dificultad técnica y curva de aprendizaje más larga. El presente estudio busca desarrollar y evaluar un modelo simulado para entrenar este procedimiento. Materiales y Método: Se desarrolló un modelo en base a tejido ex vivo, con colon porcino e intestino bovino, montados en un simulador de laparoscopía. Este se modificó sucesivamente en base a entrevistas semiestructuradas a cirujanos hasta lograr el modelo final. Para evaluar apariencia y reacción al modelo, coloproctólogos, cirujanos y residentes previamente expuestos a entrenamiento simulado, realizaron una ileotransverso anastomosis mecánica en el modelo y luego contestaron una encuesta. Resultados: Doce sujetos participaron. Cuatro coloproctólogos, 4 residentes de coloproctología, 2 residentes de cirugía general, 1 cirujano general y 1 cirujano digestivo. El 91,6% valoró positivamente la ergonomía lograda, mientras que el 83,3% y 75% valoraron positivamente el uso del instrumental y la relación anatómica entre estructuras, respectivamente. Todos los participantes consideraron el modelo útil para entrenar sutura manual laparoscópica, el 91,6% para entrenar enterotomías y 83,3% para entrenar el uso de endograpadora. Todos declararon que el módulo permite entender y reflexionar sobre la técnica propuesta. Conclusión: Este modelo desarrollado sería útil para entrenar habilidades críticas para realizar una AI en HDL. Su incorporación a un programa de entrenamiento en laparoscopía avanzada podría contribuir a acortar la curva de aprendizaje de este procedimiento.

RESUMO Racional: Os procedimentos pediátricos têm dificuldade de serem realizados em espaços reduzidos. O treinamento nesses espaços provou ser diferente em dificuldade em comparação aos endotrainers laparoscópicos adultos. Objetivo: Desenvolver e validar um novo endotrainer neonatal com espaço reduzido. Métodos: O simulador foi criado, testado e avaliado por usuários com diferentes níveis de habilidade e experiência em cirurgia pediátrica laparoscópica por meio de um questionário de oito itens. A validação do método foi determinada pela avaliação do desempenho de cada participante em nove exercícios. Resultados: Foi criado um simulador acrílico de 10,5 x 10 x 18 cm, com uma superfície de trabalho interna de 9 x 9 cm. Uma câmera HD foi incorporada com faixa de movimento de 0-180°. Todos os exercícios do Programa de Treinamento Laparoscópico Básico foram adaptados em escala de 1:0,5 para se ajustarem. Dos 49 participantes, 42 (85,71%) responderam à pesquisa; 80,5% consideraram que o simulador reproduz condições semelhantes às de procedimentos realizados em crianças menores de um ano; 61,1% consideraram que o simulador representa dificuldade semelhante aos procedimentos realizados em recém-nascidos; 73,7% consideraram que o simulador neonatal é mais difícil que o simulador adulto. Especialistas apresentaram desempenho significativamente melhor em todos os exercícios propostos. Conclusão: O simulador possui imagem de alta qualidade e design que permitem o treinamento com exercícios básicos. O aparelho permitiu discriminar entre os diferentes níveis de habilidade e foi bem avaliado por usuários com experiência cirúrgica diversificada.

ABSTRACT Background: Pediatric procedures have the difficulty of being performed in reduced spaces. Training in reduced spaces has proven to be different in complexity compared to adult laparoscopic endotrainers. Aim: To develop and validate a new neonatal/reduced-space endotrainer. Methods: The simulator was tested and assessed by users with different skill levels and experience in laparoscopic pediatric surgery through an 8-item questionnaire. Construct validity was determined by evaluating the performance of each subject on nine exercises. Results: A 10.5 x 10 x 18 cm acrylic simulator was created, with an internal working surface of 9 x 9 cm. An HD camera was incorporated, with a 0-180° range of movement. All exercises of a Basic Laparoscopic Training Program were adapted on a scale of 1:0.5 to fit in. From 49 participants, 42 (85.71%) answered the survey; 80.5% considered that the simulator reproduces similar conditions to procedures performed in children under one year of age; 61.1% thought that the simulator represents a difficulty identical to procedures performed in newborns; 73.7% considered that the neonatal simulator is more complicated than the adult simulator. Experts showed significantly better performance in all proposed exercises. Conclusion: The simulator has a high-quality image and design that allows training with basic tasks. The endotrainer permitted to discriminate between these different skill levels and was well evaluated by users with diverse surgical experience.

Background: Standardized Simulated Training (SST) has shown to improve both resident and surgeon skills. However, Simulation Centers with validated training programs are scarce and centralized. The current challenge is to provide the surgical community access to these programs. Aim: To describe the first Learning Center (LC), launched during the 90th Chilean Surgical Congress, and to assess its impact and attendees’ perception on simulation in Minimally Invasive Surgery (MIS) in current surgery residency programs. Materials and Method: Cross-sectional study. LC characteristics are described. A Likert survey was applied to assess its impact and attendees’ perception. Inclusion criteria: to have performed ≥ 1 training sessions. Exclusion criteria: incomplete surveys. Descriptive and non-parametric analytical statistics were applied. Results: The LC was composed of 10 training stations with different difficulty levels. Nine instructors monitored and gave attendees effective feedback. 84 attendees answered the survey adequately. 39% were women. The sample was composed of 41.6% General Surgery Residents, 35.7% Surgeons, 17.9% Medicine Clerks and 4.8% General Practitioners. 85% of participants agreed regarding both the positive impact of the LC as a continuous educational resource during the congress and SST usefulness in development of MIS skills. There were no significant differences according to sex or medical degree. Conclusion: The first LC was widely accepted amongst its participants, constituting a possible permanent resource in the Chilean Surgical Congress. SST in MIS seems to be an accepted resource and perceived as a necessity by the national surgical community.

Resumen Introducción: El entrenamiento estandarizado mediante simulación ha demostrado mejorar habilidades de residentes y cirujanos. Sin embargo, los centros de simulación que imparten programas validados son escasos y centralizados. Favorecer el acceso de la comunidad quirúrgica a estos programas constituye el desafío actual. Objetivo: Describir el primer “Learning Center” (LC) realizado durante el 90° Congreso Chileno de Cirugía, evaluar su impacto y percepción de los asistentes sobre simulación en cirugía mínimamente invasiva (CMI) en los programas de formación actual. Materiales y Método: Estudio de corte transversal. Se describieron las características del LC. Se aplicó una encuesta tipo Likert para evaluar impacto y percepción de los asistentes. Criterios de inclusión: completar ≥ 1 sesión de entrenamiento, exclusión: encuesta incompleta. Se aplicó estadística descriptiva y analítica no paramétrica. Resultados: LC se compuso de 10 estaciones de entrenamiento con distintos niveles de dificultad. Un equipo de 9 instructores monitorizaron y entregaron feedback efectivo a los asistentes. 84 asistentes contestaron la encuesta completa, 39% mujeres. La muestra se conformó por 41,6% residentes de cirugía general, 35,7% cirujanos, 17,9% internos de medicina, y 4,8% médicos generales. 85% manifestó acuerdo con el impacto positivo del LC como recurso educacional continuo durante el congreso, y la utilidad de la práctica simulada para el desarrollo de habilidades en CMI. No hubo diferencias significativas según sexo o nivel de formación. Conclusión: El primer LC se desarrolló con una amplia aceptación entre sus participantes, constituyendo un posible recurso permanente. El entrenamiento simulado en CMI parece ser un recurso aceptado y percibido como una necesidad por la comunidad quirúrgica nacional.

RESUMO Racional: Residência em Cirurgia Geral pode durar entre 2-6 anos, dependendo do país. Residência mais curta deve otimizar a exposição dos residentes às cirurgias. Sabe-se que o treinamento cirúrgico simulado encurta as curvas de aprendizado, mas a informação relacionada à como isso afeta a residência em relação à exposição clínica é escassa. Objetivo: Analisar o efeito da introdução de um programa de treinamento laparoscópico simulado validado em procedimentos abdominais realizados por residentes em um programa de Residência em Cirurgia Geral de três anos. Métodos: Um estudo de coorte não simultâneo foi desenhado. Quatro gerações (2012-2015) de cirurgiões graduados foram incluídos. Apenas os procedimentos abdominais em que os cirurgiões graduados foram o cirurgião principal foram descritos e analisados. O grupo controle foi de cirurgiões graduados de 2012 sem programa de treinamento laparoscópico simulado. Procedimentos cirúrgicos por ano de programa, técnica cirúrgica, intervenção de emergência ou eletiva e local do hospital (hospitais principais/comunitários) foram descritos. Resultados: Intervenções de 28 cirurgiões graduados foram analisadas (controle=5; programa de treinamento simulado=23). Os cirurgiões graduados realizaram média de 372 procedimentos abdominais, com maior número médio de procedimentos de médio a complexo no grupo de programa de treinamento simulado (48 vs. 30, p=0,02). Cirurgiões graduados treinados com programa de treinamento simulado realizaram número maior de procedimentos abdominais totais (384 vs. 319, p=0,04) e procedimentos laparoscópicos (183 vs. 148, p<0,05). Conclusões: A introdução do programa de treinamento laparoscópico simulado pode aumentar o número e a complexidade dos procedimentos totais e laparoscópicos na Residência em Cirurgia Geral de três anos.

ABSTRACT Background: A General Surgery Residency may last between 2-6 years, depending on the country. A shorter General Surgery Residency must optimize residents’ surgical exposure. Simulated surgical training is known to shorten the learning curves, but information related to how it affects a General Surgery Residency regarding clinical exposure is scarce. Aim: To analyze the effect of introducing a validated laparoscopic simulated training program in abdominal procedures performed by residents in a three-year General Surgery Residency program. Methods: A non-concurrent cohort study was designed. Four-generations (2012-2015) of graduated surgeons were included. Only abdominal procedures in which the graduated surgeons were the primary surgeon were described and analyzed. The control group was of graduated surgeons from 2012 without the laparoscopic simulated training program. Surgical procedures per program year, surgical technique, emergency/elective intervention and hospital-site (main/community hospitals) were described. Results: Interventions of 28 graduated surgeons were analyzed (control group=5; laparoscopic simulated training program=23). Graduated surgeons performed a mean of 372 abdominal procedures, with a higher mean number of medium-to-complex procedures in laparoscopic simulated training program group (48 vs. 30, p=0.02). Graduated surgeons trained with laparoscopic simulated training program performed a higher number of total abdominal procedures (384 vs. 319, p=0.04) and laparoscopic procedures (183 vs. 148, p<0.05). Conclusions: The introduction of laparoscopic simulated training program may increase the number and complexity of total and laparoscopic procedures in a three-year General Surgery Residency.

Background and Objective Traditionally, microsurgical training has been based on a face-to-face tuition. This presents certain limitations such as the shortage of instructors and the limited number of students per instructor. The aim of this study is to describe a method of training and acquisition of microsurgical skills based on an online curriculum and distance based evaluation. Methods Six medical students were trained through a progressive difficulty program based on non biological models and artery to artery anastomosis using a non living chicken thigh and wing. Using an online platform, the students reviewed the instructional videos for each training lesson, registered their progress and sent a video to the instructor for assessment. Corrections were delivered through the same platform. The initial and final sessions were compared using objective evaluation scales in order to assess the microsurgical skill acquisition. Results It is feasible to implement a remote evaluation system. All students increased their scores at the end of training. Conclusions Using instructional on line platforms, it’s possible to increase the microsurgical skill without the physical presence of an instructor, overcoming the limitations of the traditional model.

Resumen Introducción y Objetivo Tradicionalmente el entrenamiento microquirúrgico se basa en la tutela presencial de un instructor. Esto presenta ciertas limitantes como la escasez de instructores y el número limitado de alumnos por instructor. El objetivo del presente trabajo es describir un método de entrenamiento y adquisición de destrezas microquirúrgicas basado en un currículum en línea y evaluación dirigida por un instructor a distancia. Material y método Se entrenaron 6 alumnos de Medicina mediante un curso de dificultad progresiva basado en modelos inanimados y anastomosis arterial término-terminal en muslo y ala de pollo ex vivo. Los alumnos, mediante una plataforma en línea, recibieron vídeos instructivos antes de cada sesión, registraron su actividad y enviaron un vídeo de su entrenamiento al instructor. Las correcciones fueron entregadas a los alumnos por parte del instructor mediante la misma plataforma en línea. Comparamos la sesión inicial y final utilizando escalas de evaluación objetivas para investigar la adquisición de destrezas microquirúrgicas. Resultados Fue factible implementar un sistema de evaluación a distancia. Todos los alumnos incrementaron sus puntajes al final del entrenamiento. Conclusiones Mediante el uso de plataformas de formación en línea, es posible incrementar la destreza microquirúrgica sin la presencia física de un instructor, sobrellevando las limitaciones del modelo tradicional.

Background: Simulation is a useful training tool for undergraduate medical students. A valid instrument is needed to assess students’ perception of simulation workshops. Aim: To adapt and validate an instrument to assess the undergraduate medical student’s perception of simulation workshops of clinical procedures. Material and Methods: Delphi Methodology was used to adapt the instrument. Exploratory and confirmatory analyses were performed to determine the construct validity and Cronbach’s Alpha (0 to 1) for internal consistency of the instrument. Results: A Delphi panel of 10 experts adapted a seven-item questionnaire (Likert scale 1-5; ranging from 7 to 35) and four open-questions. After 3-delphi-rounds, the instrument was administered to 210 students in six simulation training programs (Paracentesis, Cardiopulmonary Resuscitation, Airway management, Sutures, Thoracentesis and Nursing Procedures). The instrument was considered unidimensional in the factorial analysis. The overall median (Q1-Q3) score was 34 ranging from 32 to 35 and the Cronbach Alpha coefficient was 0.72, indicating a good reliability. Conclusions: The perception questionnaire is a useful and reliable instrument to assess students’ perceptions of clinical simulations.

Introduction: Simulation has demonstrated utility in suture skills training on surgical residents. Objective: Evaluate validity of a simulated training curriculum of basic suture skills for medical students. Methods: Study conducted on 2013. Medical students were selected from the School of Medicine of Pontificia Universidad Católica de Chile (EMPUC). The program included four theoretical sessions and six practical sessions in order to training basic surgical tasks (five in total) on a simulated rubber model: one handed knot-tying, simple suture, vertical mattress suture, subcuticular interrupted suture and subcuticular running suture. A survey was applied to the participants to qualify each element of the program, on a scale of 1 to 7 (face-validity). One task (simple suture) was recorded on video, before and after training, to be evaluated by two experts on a blind fashion (content validity). Experts measure participant skills using an OSATS (Objective Structured Assessment of Technical Skills) and operative time. Statistical analysis for non-parametric variables, median and interquartile range, significant p-value < 0.05. Results: Thirty-six medical students participated, with assistance percentage was over 80%. Students qualified the experience favorably: simulated bench-model 6.0 [5.0-6.0], assistant-students 6.5 [6.0-7.0], practical sessions 7.0 [6.0-7.0], and general evaluation 6.5 [6.0-7.0]. In the evaluation of simple suture, there was a significant improvement on OSATS (10 [5-17] vs 19 [17-21]; p < 0.001) and decrease of operative time (138 seg [101-185] vs 77 seg [67-89]; p < 0.001) after training in every participant. Conclusion: This simulated curriculum delivers an alternative method for the development of technical competencies in medical students and could be incorporated on medical schools curricula.

Introducción: La simulación ha demostrado ser útil en la enseñanza de técnicas de sutura en cirujanos en formación. Objetivo: Evaluar la validez de un programa de entrenamiento simulado de técnica básica de sutura para estudiantes de pregrado de medicina. Material y Métodos: Estudio experimental realizado el año 2013, se seleccionó estudiantes de pregrado de la Escuela de Medicina de la Pontificia Universidad Católica de Chile (EMPUC). El programa incluye 4 sesiones teóricas y 6 prácticas, entrenando 5 tareas en modelo simulado de goma: nudo manual y puntos simple, Donati, intradérmico interrumpido e intradérmico continuo. Se entregó una encuesta a los participantes para calificar cada elemento del curso, en escala de 1 a 7 (validez de apariencia). Se grabó en vídeo una tarea (punto simple), pre y post entrenamiento, para ser evaluadas por 2 cirujanos en forma ciega (validez de contenido). Se utilizó escalas OSATS y medición de tiempo operatorio. Análisis estadístico para variables no paramétricas, mediana y rango interquartil, valor significativo p < 0,05. Resultados: Participaron 36 estudiantes, con un porcentaje de asistencia mayor a un 80%. Los alumnos calificaron favorablemente la experiencia: simulador de mesa 6,0 [5,0-6,0], ayudantes-alumnos 6,5 [6,0-7,0], clases prácticas 7,0 [6,0-7,0] y evaluación general 6,5 [6,0-7,0]. Respecto al punto simple, hubo mejoría significativa en OSATS (10 [5-17] vs 19 [17-21]; p < 0,001) y disminución de tiempo operatorio (138 seg [101-185] vs 77 seg [67-89]; p < 0,001) al finalizar el entrenamiento. Conclusión: Este programa simulado plantea un método alternativo para el desarrollo de competencias técnicas y podría ser incorporado en los currículos formales de las escuelas de medicina.