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1. Head-mounted camera as a debriefing tool for surgical simulation-based training: a randomized controlled study in Senegal

Author

Abdourahmane Ndong, Adja C. Diallo, Armaun D. Rouhi, Diago A. Dia, Sebastian Leon, Cheikhou Dieng, Mohamed L. Diao, Jacques N. Tendeng, Noel N. Williams, Mamadou Cissé, Kristoffel R. Dumon, and Ibrahima Konaté

Subjects
Surgical simulation, Head-mounted device, Camera, Feedback, Surgery, Special aspects of education, LC8-6691, Medicine
Abstract

Abstract Introduction Video feedback, particularly with a head-mounted camera, has previously been described as a useful debriefing tool in well-funded health systems but has never been performed in a low-resource environment. The purpose of this randomized, intervention-controlled study is to evaluate the feasibility of using video feedback with a head-mounted camera during intestinal anastomosis simulation training in a low-resource setting. Methodology This study recruited 14 first-year surgery residents in Senegal, who were randomized into control and camera groups. Both groups received reading materials and video lectures before performing a manual end-to-end intestinal anastomosis using a synthetic model. The control group received oral feedback, while the camera group’s first attempt was recorded, reviewed, and discussed before the second attempt. The primary outcomes were OSATS scores and completion time. Results There were no significant demographic differences between the groups. Both groups showed significant improvement in OSATS scores from the first to the second attempt (control group: p = 0.002; camera group: p = 0.0021). The camera group demonstrated a significant reduction in completion time on the second attempt (p = 0.0038), unlike the control group (p = 0.17). Both groups reported increased confidence in performing the task (control group: p = 0.003; camera group: p = 0.0029) and had positive perceptions of the workshop’s effectiveness. Conclusion This pilot study suggests that video feedback with a head-mounted camera is feasible and effective for debriefing during intestinal anastomosis simulation training in a low-resource setting, offering a low-cost, effective way to enhance technical skills. Further research with larger sample sizes is recommended to validate these findings and explore long-term impacts on surgical proficiency.

Published
2025
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2. Preoperative mortality risk evaluation in abdominal surgical emergencies: development and internal validation of the NDAR score from a national multicenter audit in Senegal

Author

Abdourahmane Ndong, Adja Coumba Diallo, Lebem Togtoga, Magatte Faye, Pape Mamadou Faye, Ahmed Diouf, Ndiamé Sarr, Abdou Niasse, Aliou Coly Faye, Cheikh Tidiane Mbaye, Mamadou Saidou Bah, Pape Djibril Ndoye, Mohamed Doukoure, Moussa Guira, Cheikh Tidiane Ka, Bathie Massamba Diouf, Thierno Faye, Foulaké Tandian, Thierno Amadou Telly Dialllo, Modou Gaye, Ngueidio Yamingué, Housseynou Kama, Emmanuel Kazubwenge, Mbaye Thiam, Abdou Dahim Diack, Mamadou Arame Ndiaye, Abamou Babara, Cheikh Samb, Cheikh Hameth Badji, Christine Marie Joseph Diouf, Sidy Mouhamed Abdoulaye Fall, Mamadouba Camara, Julien Ibrahima Faye, Abdou Khadre Niang, Pape Souleymane Dieng, Ablaye Ndiaye, Diago Anta Dia, Omar Sow, Abib Diop, Yacine Seye, Ibrahima Souleymane Sitor Sarr, Mohamadou Lamine Gueye, Mohamed Lamine Diao, Philipe Manyacka, Eugène Gaudens Prosper Amaye Diémé, Ibrahima Sall, Oumar Fall, Alamasso Sow, Jacques Noel Tendeng, Ousmane Thiam, Mamadou Seck, Cheikh Diouf, Ibrahima Ka, Alpha Oumar Touré, Balla Diop, Pape Ablaye Ba, Pape Saloum Diop, Mamadou Cissé, Khadim Niang, and Ibrahima Konaté

Subjects
Emergency, Abdomen, Africa, Mortality, Surgery, Score, RD1-811
Abstract

Abstract Introduction Abdominal surgical emergencies have a high mortality rate. Effective management primarily relies on the early identification of patients at high risk of postoperative complications. The objective of our study was to determine the prognostic factors associated with poor outcomes from abdominal surgical emergencies in Senegal and to establish a predictive score for mortality for preoperative risk evaluation (NDAR (New Death Assessment Risk) score). Methodology This was a retrospective national cross-sectional study conducted over one year in 14 regions of Senegal. Adult patients (aged > 15 years) who presented with a traumatic or non-traumatic abdominal surgical emergency were included. The studied variables included clinical and paraclinical data. The variable of interest was death within 30 days of the surgery. Logistic regression was used to identify the factors independently associated with mortality. Risk factors identified after logistic regression analysis were weighted using odds ratio (OR) values rounded to the nearest whole number. The predictive capacity of the score was evaluated by analyzing the ROC (Receiver Operating Characteristic) curve based on the area under the curve (AUC). Results A total of 1114 patient records were included, with a mortality rate of 4.4%. Diagnoses were observed in patients included appendicitis in 39.8% of cases (n = 444), followed by peritonitis in 22.3% (n = 249), intestinal obstruction in 18.5% (n = 205), strangulated hernias in 10.5% (n = 117), and abdominal trauma in 6.1%. Logistic regression, established the following scores: age > 40 years (score 2), ASA status grade 2 or higher (score 1), presence of a positive QSIRS score (score 2), diagnosis of peritonitis (score 2), diagnosis of intestinal obstruction (score 1), and the presence of intestinal necrosis (score 3). The score is positive if the total is strictly greater than 5, indicating a 17.7% risk of mortality. This score had a high predictive capacity with an AUC of 0.7397. Conclusion This study enabled the establishment of a score that allows for the early identification of at-risk patients, even in constrained resource settings, facilitating appropriate perioperative management and timely surgical intervention to reduce the risk of complications. This approach, focused on early recognition of high-risk patients, is crucial for improving clinical outcomes in abdominal surgical emergencies.

Published
2024
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3. Metacognitive Control during Problem Solving at Early Ages in Programming Tasks Using a Floor Robot

Author

Javier Del Olmo-Muñoz, Pascual D. Diago, David Arnau, David Arnau-Blasco, and José Antonio González-Calero

Abstract

This research, following a sequential mixed-methods design, delves into metacognitive control in problem solving among 5- to 6-year-olds, using two floor-robot environments. In an initial qualitative phase, 82 pupils participated in tasks in which they directed a floor robot to one of two targets, with the closer target requiring more cognitive effort due to the turns involved. The results of this phase revealed that younger students often rationalised their decisions based on reasons unrelated to the difficulty of the task, highlighting limitations in children's language and abstract thinking skills and leading to the need for a second quantitative study. In this subsequent stage, involving 117 students, a computerised floor-robot simulator was used. The simulator executed the students' planned movements and provided feedback on their validity. Each participant had three attempts per problem, with the option to change their target each time. The simulator stored the information pertaining to the chosen resolution path, design of the plan, and re-evaluation of decision making based on the results and feedback received. This study aims to describe the criteria upon which students base their metacognitive control processes in decision making within problem-solving programming tasks. Additionally, through a comparative analysis focusing on age and gender, this research aims to assess the relationship between metacognitive processes and success in problem-solving programming tasks.

Published
2024
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4. QSIRS Can Improve Accuracy of QSOFA and SIRS in Prediction of Mortality in Surgical Emergencies

Author

Abdourahmane Ndong, Adja Coumba Diallo, Jacques Noel Tendeng, Amadou Ibra Diallo, Mohamed Lamine Diao, Sylvain Assega Sagna, Saer Diop, Diago Anta Dia, Daouda Diouf, Bayo Ismael Racine, Philippe Manyacka Ma Nyemb, and Ibrahima Konaté

Subjects
surgery, emergency, score, qsofa, sirs, qsirs, Surgery, RD1-811
Abstract

Background The quick sequential organ failure assessment (QSOFA) score and the systemic inflammatory response syndrome (SIRS) criteria were developed to predict the risk of sepsis and death in patients received in emergency. To improve sensitivity in predicting death, the association of the two scores was proposed under the term QSIRS (QSOFA + SIRS). Our aim was to determine the accuracy of QSOFA, SIRS, and QSIRS in prediction of mortality in surgical emergencies, and to compare these scores. Patients and Methods This is a prospective study over a period of 1 year. Patients older than 15 years who presented a digestive surgical emergency (bowel obstruction, peritonitis, appendicitis, strangulated hernia) were included. For each score, the specificity, the sensitivity, the positive predictive value, the negative predictive value, and areas under the receiver operating characteristic (ROC) curve (AUC) were compared. Results One hundred and eighteen patients were included and 11 deaths were recorded (9.3%). There was a statistically significant relationship between each score and death (QSOFA p = 0.01, SIRS p = 0.003, and QSIRS p = 0.004). The realization of the ROC curve found a higher AUC for QSIRS (0.845 [0.767–0.905]) compared with QSOFA (0.783 [0.698–0.854]) and SIRS (0.737 [0.648–0.813]). QSIRS (90.9%) had a higher sensitivity compared with the two other scores alone (SIRS = 81.9% and QSOFA = 36.3%). Conclusion Our study found that QSIRS improves the ability to predict death in digestive surgical emergencies.

Published
2021
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5. Huntington Disease Health Related Quality of Life, Function and Well Being: The Patient’s Perspective

Author

Pérez-Pérez, Jesús, García-López, Sofía, Valle, Tamara Fernández, Painous, Cèlia, Querol-Pascual, Maria Rosa, Ruiz, Pedro J. García, Diago, Elena Bellosta, Cubo Delgado, Esther, Pastor, Barbara Vives, Villaplana, María Carmen Peiró, Santana, Idaira Martín, Blázquez Estrada, Marta, Garride, Matilde Calopa, Mir, Pablo, Álvarez, Carmen, Maurino, Jorge, de Prado, Anna, and López-Sendón, José Luis

Published
2025
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8. iFlpMosaics enable the multispectral barcoding and high-throughput comparative analysis of mutant and wild-type cells

Author

Garcia-Gonzalez, Irene, Gambera, Stefano, Rocha, Susana F., Regano, Alvaro, Garcia-Ortega, Lourdes, Lytvyn, Mariya, Diago-Domingo, Luis, Sanchez-Muñoz, Maria S., Garcia-Cabero, Aroa, Zagorac, Ivana, Luo, Wen, De Andrés-Laguillo, Macarena, Fernández-Chacón, Macarena, Casquero-Garcia, Verónica, Lunella, Federica Francesca, Torroja, Carlos, Sánchez-Cabo, Fátima, and Benedito, Rui

Published
2024
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9. Perforation duodénale isolée post traumatique: à propos d'un cas et revue de la littérature

Author

Abdourahmane Ndong, Mohamed Lamine Diao, Jacques Noel Tendeng, Fallou Gallas Niang, Adja Coumba Diallo, Diago Anta Dia, Aicha Ndichout, Moustapha Diedhiou, Khoudia Kane, Mactar Dieng, Philippe Manyacka Ma Nyemb, and brahima Konaté

Subjects
traumatisme, duodénum, suture primaire, tomodensitométrie, Medicine
Abstract

Les lésions duodénales au cours des contusions de l'abdomen sont peu fréquentes. Il n'existe pas de consensus sur la technique chirurgicale, qui va de la suture primaire aux résections duodéno-pancréatiques complexes en fonction de la sévérité des lésions. Nous rapportons un cas de perforation duodénale isolée traitée par suture simple en un temps, afin de discuter les aspects diagnostiques, thérapeutiques et évolutifs. Il s´agit d'un patient de 17 ans, reçu à 2 jours d'une contusion abdominale. L'examen retrouvait une défense abdominale généralisée avec une fièvre 38 °C. La tomodensitométrie abdominale montrait une solution de continuité de la paroi du duodénum avec un pneumopéritoine. L'exploration chirurgicale par laparotomie retrouvait une issue de 2500 cc de liquide digestif avec une section linéaire 2 cm au niveau du bord latéral de la portion supérieure du 2ème duodénum avec des bords nécrosés. Le traitement consistait en une suture duodénale simple. Les suites opératoires étaient marquées par la survenue d'une fistule digestive à bas débit ayant bien évoluée sous traitement médical. La perforation duodénale isolée post traumatique est rare. La tomodensitométrie abdominale est d'un grand apport pour permettre un diagnostic précoce et un traitement adéquat. Il n'existe pas de consensus concernant la technique chirurgicale mais la suture primaire donne de bons résultats chez des patients sélectionnés

Published
2020
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12. Clinical features, mutation spectrum and factors related to reaching molecular diagnosis in a cohort of patients with distal myopathies

Author

Muelas, Nuria, Carretero-Vilarroig, Lidón, Martí, Pilar, Azorín, Inmaculada, Frasquet, Marina, Poyatos-García, Javier, Portela, Sofía, Martínez-Vicente, Laura, Argente-Escrig, Herminia, Sivera, Rafael, Vázquez-Costa, Juan F., Tárrega, María, Más-Estellés, Fernando, Vílchez, Roger, Bataller, Luis, Aller, Elena, Diago, Luján, Fores-Toribio, Lorena, Sevilla, Teresa, and Vilchez, Juan J.

Published
2025
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14. Correction: Huntington Disease Health Related Quality of Life, Function and Well Being: The Patient’s Perspective

Author

Pérez-Pérez, Jesús, García-López, Sofía, Valle, Tamara Fernández, Painous, Cèlia, Querol-Pascual, Maria Rosa, Ruiz, Pedro J. García, Diago, Elena Bellosta, Cubo Delgado, Esther, Pastor, Barbara Vives, Villaplana, María Carmen Peiró, Santana, Idaira Martín, Blázquez Estrada, Marta, Garride, Matilde Calopa, Mir, Pablo, Álvarez, Carmen, Maurino, Jorge, de Prado, Anna, and López-Sendón, José Luis

Published
2025
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17. The biochemical pattern defines MASLD phenotypes linked to distinct histology and prognosis

Author

Ampuero, Javier, Aller, Rocío, Gallego-Durán, Rocío, Crespo, Javier, Calleja, Jose Luis, García-Monzón, Carmelo, Gómez-Camarero, Judith, Caballería, Joan, Lo Iacono, Oreste, Ibañez, Luis, García-Samaniego, Javier, Albillos, Agustín, Francés, Rubén, Fernández-Rodríguez, Conrado, Maya-Miles, Douglas, Diago, Moisés, Poca, Maria, Andrade, Raúl J., Latorre, Raquel, Jorquera, Francisco, Morillas, Rosa María, Escudero, Desamparados, Hernández-Guerra, Manuel, Pareja-Megia, María Jesús, Banales, Jesús M., Aspichueta, Patricia, Benlloch, Salvador, Rosales, José Miguel, Turnes, Juan, and Romero-Gómez, Manuel

Published
2024
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19. An Instructional Design for the Improvement of Counting Skills in 3-Year-Old Children

Author

Carbonell-Jornet, Aida, Diago, Pascual D., Arnau, David, and García-Moreno, Miguel A.

Abstract

The aim of this pre-experimental study is to evaluate the acquisition level of counting skills of a 3-year-old classroom made up of 14 children through a specific instructional design. To this end, an instructional proposal to improve these mathematical skills was designed. Before and after the intervention, we measured the students' level regarding counting skills through an evaluation of their counting abilities. The results indicate that the designed intervention increased the acquisition level of skills related to counting principles, constituting an effective instrument to enhance counting skills for 3-year-old children. In particular, after the intervention children improved significantly in skills related to the one-to-one correspondence principle and the order-irrelevance principle, both showing a large effect size in their observed differences. The cardinality principle, stable-order principle and abstraction principle also showed gains, but the differences were found to be statistically nonsignificant. Finally, the role of the age of the participants was also analyzed in relation to their acquired counting skills, indicating that children in the older age range improved their counting skills more than children in the younger group.

Published
2022

20. Expanding Selection Criteria in Deceased Donor Liver Transplantation for Hepatocellular Carcinoma: Long-term Follow-up of a National Registry and 2 Transplant Centers

Author

Wehrle, Chase J., Kusakabe, Jiro, Akabane, Miho, Maspero, Marianna, Zervos, Bobby, Modaresi Esfeh, Jamak, Whitsett Linganna, Maureen, Imaoka, Yuki, Khalil, Mazhar, Pita, Alejandro, Kim, Jaekeun, Diago-Uso, Teresa, Fujiki, Masato, Eghtesad, Bijan, Quintini, Cristiano, Kwon, Choon David, Pinna, Antonio, Aucejo, Federico, Miller, Charles, Mazzaferro, Vincenzo, Schlegel, Andrea, Sasaki, Kazunari, and Hashimoto, Koji

Published
2024
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21. V-113.3: Growth and success of liver transplantation in the United Arab Emirates: An interim 6-Year report.

Author

Kumar, Shiva, Iuppa, Giuseppe, Quintini, Cristiano, Al Obaidli, Ali, Gomez, Maria, Diago-Uso, Teresa, Al Essa, Essa, Kumar, Arun, Ashiq, Fazil, Pinna, Antonio, Hashhash, Salwa, Abduljawad, Baraa, Abdalraheem, Sulieman, Baig, Muhammad, Makhejani, Kailash, Balci, Numan, El Hajj, Sandra, Minou, Andrei, Vijayan, Goutham, Prasanna, Malligere, Siddique, Haamid, Youness, Fadi, Hashimoto, Koji, Miller, Charles, Winter, Katie, Camilo, Liliana, and Campos, Luis

Published
2024
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22. Characterizing Hepatitis Delta in Spain and the gaps in its management

Author

Rodríguez-Tajes, Sergio, Palom, Adriana, Giráldez-Gallego, Álvaro, Moreno, Antonio, Urquijo, Juan José, Rodríguez, Manuel, Alvarez-Argüelles, Marta, Diago, Moisés, García-Eliz, María, Fuentes, Javier, Martínez-Sapiña, Ana María, Castillo, Pilar, Casado, Marta, Pérez-Campos, Elena, Muñoz, Raquel, Hernández-Conde, Marta, Morillas, Rosa María, Granados, Rafael, Miquel, Mireia, Morillas, María Julia, García-Retortillo, Monserrat, Carrión, Jose Antonio, Moreno, José María, Montón, Cristina, González-Santiago, Jesús Manuel, Lorente, Sara, Cabezas, Joaquín, Mateos, Beatriz, Vázquez-Rodríguez, Sergio, Díaz-Fontenla, Fernando, Pinazo, José María, Delgado, Mercè, Pérez-Palacios, Domingo, Horta, Diana, Fernández-Marcos, Cristina, López, Carmen, Calleja, José Luis, Fernández, Inmaculada, García-Samaniego, Javier, Forns, Xavier, Buti, María, and Lens, Sabela

Published
2025
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28. Colombian surgical outcomes study insights on perioperative mortality rate, a main indicator of the lancet commission on global surgery – a prospective cohort study

Author

Pérez Rivera, Carlos J., Lozano-Suárez, Nicolás, Agudelo-Mendoza, Silvia Valentina, Bohórquez-Tarazona, Maria Paz, García-Zambrano, Laura, Lara-Espinosa, Daniela, Polania-Sandoval, Camilo Andres, Rojas-Serrano, Luisa Fernanda, Vargas-Cuéllar, María Paula, Velandia-Sánchez, Alejandro, Cabrera-Rivera, Paulo Andrés, Briceno-Ayala, Leonardo, Cruz-Reyes, Danna, Barrera Carvajal, Juan Guillermo, Cabrera-Vargas, Luis Felipe, Guevara, Oscar, Arce Polania, Laura Cristina, Buendía Barrios, Laura Natalia, Cristina Camargo Areyanes, María Isabel, Casas, Felipe, Alfaro, Valeria Cormane, García-Méndez, Juan P., Guerra, Bayron, Idarraga-Ayala, Sharon V., Abiyomaa, Akram Kadamani, Montoya, Christopher, Mosquera Paz, Manuel Santiago, Pineda, María Alejandra, Pinzón-Luna, Juliana, Bastidas, Isabella Roa, Roman Ortega, Carlos Fernando, Saavedra Henao, Juan D., SanJuan-Arias, Laura Carolina, Barreto, Vanessa, Corso, Julian, Maksoud-Garcia, Mariana, Mateus, Eliana Pineda, Zabaraín, Alejandra Vega, Mantilla-Sylvain, Fabien, Perez, Nicolas, Alzate-Ricaurte, Sergio, Bejarano, Monica, Caicedo Holguin, Isabella, García, Alberto Federico, Sanchez, Stefania Rodriguez, Santos, Felipe Bernal, Jaspe, Carlos Luna, Maria Camila Luna-Jaspe Roa, OLIVERA Bolívar, Maria Paula, Diaz, MariaFernanda Valdivieso, Agudelo, Yuli, Castillo-Aristizábal, Maria Paula, Hoyos Burgos, Juan Pablo, Maria Clara Mendoza Arango, Maria Clara, Gabriel Arroyave, Preciado, Felipe Buitrago, Cardona González, Lina María, Correa-Cote, Juan Camilo, Franco Arias, Karen Lorena, Llano Sierra, Juan Felipe, López, Gustavo, Mancero, Cesar, Parra, Sebastian, Gonzalez, Beatriz Ramirez, Daniela Sierra, Amaya Muñoz, Maria Camila, Blanco-Ramírez, Ashley, Camacho, Paul Anthony, Campillo, Jorge, Carvajal Mejia, Andrea Ximena, María Alejandra González Yamil, Osorno Villegas, Juan Carlos, Eduardo Rubio, Herrera, Santiago Sánchez, Herrera, Sebastian Sanchez, Agudelo, Tatiana, Andrade, Valentina, Pérez, Laura Arango, Ariza-Gutiérrez, Anibal, Jacobo Berrio, Torres, Natalia Cantillo, Chamorro-Rodríguez, Maria Valeria, Conde, Lucia, Feo Lee, Oscar Hernando, González Nieto, María Camila, Ibañez-Pintor, Laura Cecilia, Ochoa, Catalina, Ospina, Juan, Pérez-Ocampo, Juan José, Rojas, Esteban Portilla, Rey, Daniela Saaibi, Serrano, Eduardo, Solorza Velásquez, Sharon Michelle, Toro Cubides, Angélica María, Aguiar, Raúl, Beltrán Rincón, Diego Armando, Figueroa, Juan Sebastian, Figueroa-Casanova, Rafael, Gonzalez Mosos, Maria Fernanda, Marcia Gabriela Gómez, Osorno, Susana, Laura Palacio, Laura, Venegas, Jose, Caicedo Ramírez, Liliana Marcela, Cardona Gomez, Diana Catalina, Alejandro Fernandez Bolaños, Daniel, Fernández-Diago, Adriana, Olave Montaño, Victor David, Pastás, César, Amorocho, Silvia Marcela, Barbosa-Santibañez, Jorge, Baron, Vladimir, Cartagena-Alvarado, Alejandra, Castillo, Maria, Castillo-Florez, Maria Carolina, Dimian Mayorga, Omar David, Delgado-Nieto, Elena Leonor, Fajardo, Ernesto, Gomez Polania, Omar Leonardo, Gonzalez, Tania, Guzman Mesa, Daniel Felipe, Isaza-Restrepo, Andres, Leal, Jaime A., Medina, Camilo, Navarro-Alean, Jorge, Ocampo, Maria Antonia, Oliveros, Guillermo, Ortiz, Maria, Ortiz-Mahecha, Jorge I., Abaunza, Katherine Parra, Pulido Reyes, Felipe Antonio, Rivera-Rincón, Natalia, Carlos Alfonso Rodriguez Pinedo, Sanchez, Lizeth Rodriguez, Romero, Juan Javier, Sabogal Olarte, Juan Carlos, Salgado Tovar, Javier Mauricio, Torres, Guillermo Andrés, Vallejo, Linda, Vargas-Barato, Felipe, Vargas Patiño, Ana María, Villate León, Juan Pablo, Montañez Aldana, Miguel Angel, Norato, Chiara, Borda, Hugo Rojas, Núñez, Miguel Á Romero, Sánchez, Alejandro, López, Jose Támara, Támara P, Jose, Wilmer Fernando Botache Capera, Rojas, Rolando Medina, Juan Torres, Trujillo, Gina Catalina, Cubillos Saavedra, Gabriela Estefanía, Francisco García-Laverde, Naffah Enciso, Jussef Camilo, Betancur, Julian Arango, Cortés-Coronado, Adriana, Susana Sepúlveda Tamayo, Cardenas, Valentina Arboleda, García-Barrero, Luis Guillermo, Jhonatan Enrique Garzón-Galindo, Torres Parada, Lina Fernanda, Quintero, Alejandro Arias, Cano, David, Montoya Quintero, Kevin Fernando, Santiago Nieto Muñoz, Mejía, Paula Saza, Gomez Barrios, Jesus David, Jimeno, María Angélica, Restrepo Hernandez, Ghandi Ignacio, Rodríguez-Sequea, Adrian, Varón Cotes, Juan Carlos, Hanner Enrique Acevedo Reyes, Barandica Bolaño, Claudia Marcela, Sierra-Cote, Maria Camila, Angarita Vargas, Laura Daniela, Báez Ramírez, Alix Yurany, Rodriguez Suarez, Jose Armando, Sánchez, David Leonardo, Sandoval Rangel, Silvia Natalia, Hurtado, Edwin Ulloa, Hernández Almanza, Olga Esther, Martínez Zubiria, Rosalba Inmaculada, Muegues Salas, Angel Alexis, Becerra Cardona, Diego Alexander, Cárdenas Santamaría, Fabio Hernán, Echeverri Castaño, Juan Daniel, Echeverri Uribe, Juan Sebastián, Gaitán Buitrago, María Helena, Galvis Valencia, Luis Felipe, Sabogal, Andrea Henao, López Atehortúa, David Felipe, Molina Uribe, Juan Manuel, Peñate Suárez, Edwin Enrique, Valencia, Heiller Torres, Salazar, Marcela Velásquez, Correa, Catalina, García, Hans, Leal, Juan Hernández, Muñoz Vargas, Paula Tatiana, Bolívar Sáenz, Dínimo José, Caicedo Medina, Camilo Andrés, Garcia Riaño, Camilo Andres, Gonzalez, Stephanye Carrillo, Gómez, Jaime Lorduy, Madrid, Carlos Torres, Villa, Walter Torres, Luengas Orozco, Juan Sebastian, Capriles, Camilo Avendaño, Blanco, Carolina Diaz, Brieva Hoyos, Maria Lucía, Cantillo Moreno, Paola Andrea, Granados Mendoza, Sofía Carolina, Vizcaino Lara, José Dario, Babativa Peñuela, Karla Lizeth, Jiménez Bahamón, Paula Andrea, Maldonado Rico, Jhonier Estiven, Martínez Cortes, Duvan Ernesto, Orjuela Aragón, José Alfredo, Castro Roa, Lizeth Daniela, Gallego, Julieth Sarmiento, Herazo Meza, Marta Maria, Hernández Castillo, Anlly Caterin, Rojas Moncada, Rosa Gabriela, Casanova Bermeo, Lucia Fernanda, Cortés Otero, Oscar Fernando, Pinilla, Nicolás Diaz, Herrera Delgado, Harrison Rene, Macías Segura, Simon Alberto, Muñoz Castrillón, David Ramiro, Nuñez Romero, Luis Ramiro, Polania Andrade, Cesar Andrés, Valdez Toro, Hector Alejandro, Cardozo Parrado, Ana María, Moros, Jose Gonzalo, Nieto, Paula Andrea, Patarroyo, Jorge Mario, Perilla Martínez, Jose Luis, Gutierrez, María del Pilar Torres, Benito Flórez, Erika Johana, Gómez, Mariana Vergel, Robayo Rodriguez, Diana Ximena, Salcedo Miranda, Diego Fernando, Triviño Cortés, Maria Alejandra, Sastre, William Baquero, Bonett, Juan Sebastian, Cortes, Eliana, Duque, Pedro Fernando, Gutierrez, Carlos Enrique, Echeverry, Piedad, Motta Amar, Andrés Felipe, Torres, Lorena, Bautista, Jeremias Carvajal, Figueroa Bohórquez, David Mauricio, Quintana, Manuel Latorre, Olivera Briñez, Diego Fernando, Quintero Contreras, Marcel Leonardo, Gamboa, Raúl Vera, Zapata, Mariana Arias, Benavides Caipe, Cristhian Daniel, Betancur Acevedo, Luisa Fernanda, Zuluaga, Valentina Botero, Figueroa-Espinoza, Vanessa, Londoño-Patiño, Arbey Leandro, Moncayo-Gonzalez, Santiago, Puerta Suárez, Laura Sofia, Vargas-Arboleda, Paula Camila, Gonzalez Cera, Lisbet Sofia, Toro, Katerine Henao, de Jesus Ortiz Pino, Leobardo, Vasquez Vargas, Sergio Andrés, Zuluaga, Lency Naranjo, Garzón, Jaime Chamorro, Franco Rodriguez, Adriana Paola, Acosta Alape, Nataly Johana, Arbelaez Mariño, Andrés Felipe, Mora Herrera, Juan José, Ayala Muñoz, Javier Felipe, Camacho Pinzon, Yeiny Carina, Cárdenas Chacón, José Francisco, Peña Arenas, Liliana Andrea, Rodriguez Camargo, Gustavo Adolfo, Sánchez Arango, Carlos Alberto, Bolaños Ñañez, Daniel Mauricio, Garcés-Palacios, Diana Sofía, Ñañez Pantoja, María Alejandra, Ortega-Valencia, Omar Alejandro, Gamboa Bernal, María Paula, Lotero Gómez, Juan David, Martínez-Gutiérrez, Juan Sebastián, Morales-Gómez, Daniel, Pardo-Jiménez, Lina, Fonseca Galindo, Leon Miguel, Garcia Ramirez, Angélica Maria, Saurith Ramirez, Juan David, Barrero Montoya, Ivan Ricardo, Espitia, Santiago Cadena, Rojas, Salomé Pallares, Zapata Berrio, Laura Camila, Benavides Rodríguez, Diana Andrea, Gonzalez, Juan Carlos, Idarraga, Sharon Valentina, Márquez Rodríguez, Óscar Eduardo, Marrugo Prieto, Ivi Yohana, Soledad Machado, Laura Vanessa, Luna, Rubén, Pulido, Nicolás Navarro, Nuñez Ricardo, Federico Javier, García López, Andrea Elena, Luque, Fernando Girón, Jaramillo, Nasly Patiño, Pedraza Alonso, Néstor Fabian, Acuña Acuña Rivera JY, Javier Yecid, Guevara Cruz, Oscar Alexander, Martínez Buitrago, Juan Sebastián, Oviedo, Nathalia Montoya, Santafe Guerrero, Marcia Roxana, Chaves Cortés, Juanita Carolina, Rincón Tello, Francisco Mauricio, Bejarano Ramirez, Diana Fernanda, Cortes Mejia, Nicolas Andres, Garzon Mesa, Camilo Ernesto, Pabon, Alejandra Moncada, Triviño Alvarez, Diego Rymel, Torres, Alonso Vera, Cote Martinez, Maria Alejandra, Machado Rodriguez, Juan Manuel, Martinez, Gonzalo Nuñez, Osuna, Laura Naranjo, Roldan Garay, Andres Felipe, Amado, Daniel, Camacho-Mackenzie, Jaime, Maria Ceballos Mora, Cifuentes-Navarrete, Sara, Donoso-Samper, Andrea, Ferro, Manuel A., Gómez-Cáceres, Juan C., Gómez-Galán, Sebastián, Leiva, Ana G., Lisarazo, Juan, López-Castaño, Maria G., Martínez-Gil, Sofía, Montoya, M.J., Niño-Basto, Santiago, Ortigoza-Espitia, Sergio Andrés, Páez, Gustavo, Ramos-Anaya, Jesús William, Rozo, María J., Umana, Juan P., Amar, Andres Motta, Barrera Vargas, Andrés Felipe, Maldonado Escalante, Javier Dario, Molina Marroquin, German Ricardo, Prada Lievano, Silvia Alejandra, Vargas-Cuellar, Maria Paula, Polanía-Sandoval, Camilo A., and Cabrera-Rivera, Paulo A.

Published
2024
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31. Intelligent Tutoring Systems for Word Problem Solving in COVID-19 Days: Could They Have Been (Part of) the Solution?

Author

del Olmo-Muñoz, Javier, González-Calero, José Antonio, Diago, Pascual D., Arnau, David, and Arevalillo-Herráez, Miguel

Abstract

The COVID-19 pandemic led to the lockdown of schools in many countries, forcing teachers and students to carry out educational activities remotely. In the case of mathematics, developing remote instruction based on both synchronous and asynchronous technological solutions has proven to be an extremely complex challenge. Specifically, this was the case in topics such as word problem solving, as this domain requires intensive supervision and feedback from the teacher. In this piece of research, we present an evaluation of how technology is employed in the teaching of mathematics, with particular relevance to learning during the pandemic. For that purpose, we conducted a systematic review, revealing the almost complete absence of experiments in which the use of technology is not mediated by the teacher. These results reflect a pessimistic vision within the field of mathematics education about the possibilities of learning when the student uses technology autonomously. Bringing good outcomes out of a bad situation, the pandemic crisis may represent a turning point from which to start directing the research gaze towards technological environments such as those mediated by artificial intelligence. As an example, we provide a study illustrating to what extent intelligent tutoring systems can be cost-effective compared to one-to-one human tutoring and mathematic learning-oriented solutions for intensive supervision in the teaching of word problem solving, especially appropriate for remote settings. Despite the potential of these technologies, the experience also showed that student socioeconomic level was a determining factor in the participation rate with an intelligent tutoring system, regardless of whether or not the administration guaranteed students' access to technological resources during the COVID-19 situation.

Published
2023
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32. An Extended Technology Acceptance Model on Immersive Virtual Reality Use with Primary School Students

Author

Villena-Taranilla, Rafael, Cózar-Gutiérrez, Ramón, González-Calero, José Antonio, and Diago, Pascual D.

Abstract

Virtual Reality (VR) is an emerging technology with an increasing number of studies assessing its benefits in educational settings. However, there is a shortage of empirical studies aimed at evaluating the acceptance of this technology in primary education. The authors propose an extended version of the Technological Acceptance Model to examine students' intention to use immersive VR. To this end, 111 fourth-graders completed a history teaching unit using immersive VR. Structural equation modelling was employed to assess causal relationships between six variables: prior knowledge, perceived attention, perceived utility, perceived ease of use, perceived enjoyment and attitude towards the use of immersive VR. The results indicate that students' prior knowledge was not significant in explaining their intention to use immersive VR. However, perceived attention had a significant effect on this variable mediated through perceived utility. These results have important implications regarding the design and use of VR tools for educational purposes.

Published
2023
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34. The impact of stigma on quality of life and liver disease burden among patients with nonalcoholic fatty liver disease

Author

Younossi, Zobair M., AlQahtani, Saleh A., Funuyet-Salas, Jesús, Romero-Gómez, Manuel, Yilmaz, Yusuf, Keklikkiran, Caglayan, Alswat, Khalid, Yu, Ming-Lung, Liu, Chun-Jen, Fan, Jian-Gao, Zheng, Ming-Hua, Burra, Patrizia, Francque, Sven M., Castera, Laurent, Schattenberg, Jörn M., Newsome, Philip N., Allen, Alina M., El-Kassas, Mohamed, Treeprasertsuk, Sombat, Hameed, Saeed, Wai-Sun Wong, Vincent, Zelber-Sagi, Shira, Takahashi, Hirokazu, Kawaguchi, Takumi, Castellanos Fernández, Marlen I., Duseja, Ajay, Arrese, Marco, Rinella, Mary, Singal, Ashwani K., Gordon, Stuart C., Fuchs, Michael, Eskridge, Wayne, Alkhouri, Naim, Cusi, Kenneth, Loomba, Rohit, Ranagan, Jane, Kautz, Achim, Ong, Janus P., Kugelmas, Marcelo, Eguchi, Yuichiro, Diago, Moises, Gerber, Lynn, Lam, Brian, Fornaresio, Lisa, Nader, Fatema, Spearman, C. Wendy, Roberts, Stuart K., Chan, Wah-Kheong, Silva, Marcelo, Racila, Andrei, Golabi, Pegah, Ananchuensook, Prooksa, Henry, Linda, Stepanova, Maria, Carrieri, Patrizia, and Lazarus, Jeffrey V.

Published
2024
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35. [Translated article] Melanoma Registry of the Spanish Academy of Dermatology and Venereology (REGESMEL): Description and Data in its First Year of Operation

Author

Tejera-Vaquerizo, A., Boada, A., Puig, S., Nagore, E., Fernández-de-Misa, R., Ferrándiz, L., Conde-Taboada, A., Castro, E., Richarz, N.A., Paradela, S., Llambrich, Á., Salgüero, I., Diago, A., Samaniego, E., Flórez, Á., Segura, S., Maldonado-Seral, C., Coronel-Pérez, I.M., Tomás-Velázquez, A., Rodríguez-Jiménez, P., Mayor, A., García-Doval, I., and Grau-Pérez, M.

Published
2024
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49. Concluyendo

Author

Ayala Diago, César

Published
2023

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