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667 patients were taken to LGBP, and of which 5 presented internal hernias. From the 346 patients who had Petersen´s herniorrhaphy performed, one developed signs of an internal hernia at 22 months follow-up and was subsequently confirmed later with laparoscopy (0.02%). Of the 321 patients not having had Petersen's space closure, 4 developed Petersen's internal hernia at an average of 22-month post-op, incidence of 0.1%. We analyzed and compared our results with those reported in the literature. Petersen's space closure immediately after a LGBP with an alimentary loop in the anterior colic position (prophylactic herniorrhaphy) with non-interrupted non-absorbable suture is a useful, safe, and effective technique to prevent the development of Petersen's IH during the post-operative period following LGBP.

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Resumen En el campo de la medicina las redes sociales han ganado poco a poco terreno y hoy en día juegan un rol importante en el aprendizaje y la enseñanza de conocimientos que se pueden trasmitir de inmediato y de forma masiva. El objetivo de este artículo es mostrar la experiencia colombiana en el uso de las redes sociales para crear aprendizaje quirúrgico significativo, con liderazgo y tutoría global. Se llevó a cabo un estudio descriptivo retrospectivo desde la creación de nuestras redes sociales en Twitter, 22 de febrero al 22 de agosto de 2019, evaluando las siguientes variables: número de tweets académicos, número de seguidores, impresiones, visitas y menciones. Desde la creación de nuestra red social Twitter @Cirbosque para realizar educación virtual quirúrgica a través de redes sociales con el fin de generar un aprendizaje significativo en nuestros seguidores, en solo seis meses del proyecto, seguimos a 62 cuentas, hemos realizado hasta la fecha 5.025 tweets académicos, con un crecimiento del 77,1% mensual, con 2.203 seguidores, con un crecimiento del 426 seguidores mensual, 1.090.000 impresiones, con un crecimiento del 56% mensual, 13.500 mil visitas, con un crecimiento del 28,9% mensual y 2.028 menciones, con un crecimiento del 88,3% mensual. Aunque la evidencia aún es insuficiente para garantizar que la educación que se hace a través de redes sociales y de @Cirbosque sea eficiente, el impacto que ha tenido esta iniciativa en Twitter es apreciada por muchos cirujanos a nivel mundial incluyendo a grandes maestros referentes en cada uno de los temas que se han tratado, de la misma forma, la cantidad de participantes en las diversas discusiones planteadas día a día y con un incremento en todos los indicadores de impacto según Twitter Analytics, se puede deducir que el mensaje educativo está teniendo un efecto positivo y está llegando a miles de personas a nivel mundial.

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Introduction Penetrating chest trauma (PCT) represents 10% of worldwide mortality, with developing countries counting as some of the most affected by high mortality rates due to cardiac trauma. Colombia is considered one of the most violent countries due to the high mortality rate associated with war and crime, hence the validation of an own classification for penetrating cardiac injuries (PCI) is mandatory. Methods Retrospective cross‐sectional study which included adult patients with PCIs at a level 4 trauma center in Colombia, between January 2018 and April 2020. We used our own system (Bogotá Classification) and compared it with traditional systems (e.g., Ivatury's, OIS‐AAST), by analyzing the mechanism of injury (MOI), the hemodynamic status of the patient at admission, the inpatient management, the individual outcomes, and some demographic variables. Bivariate statistical analysis, spearman correlation, and logistic regression were performed. Results Four hundred and ninety‐nine patients were included. Bivariate analysis demonstrated a significant relationship between mortality and hemodynamic state, MOI, its location and degree of lesion, cardiac/vessel injury, cardiac tamponade, time between injury and medical care, fluid reanimation, as well as the Ivatury's classification and the new classification (p < 0.005). The adequate correlation between Ivatury's and Bogotá classification supports the latter's clinical utility for patients presenting with PCI. Likewise, logistic regression showed a statistically significant association among mortality rates (p < 0.005). Conclusions The Bogotá classification showed similar performance to the Ivatury's classification, correlating most strongly with mortality. This scale could be replicated in countries with similar social and economic contexts.

Esophageal lung is a rare entity that results from embryological alterations during the formation of the ventral wall of the anterior intestine. The clinical manifestations of this pathology are vague, including respiratory or digestive symptoms, repetitive respiratory infections, dysphagia, or inability to swallow. The management is based on the exact anatomical and vascular abnormalities. We report the diagnostic and therapeutic approach in a preterm boy with esophageal lung. Also, we present a three-dimensional model for the classification of this pathology. In conclusion, the management relies on proper definition of the anatomy and the surgical strategy.