Background: This study describes 35 years of experience in a tertiary care level hospital that treats cardiac patients with univentricular heart physiology who underwent Glenn surgery. Methods: The study consisted of a retrospective analysis of patients who underwent Glenn surgery, including variables related to pre-operative, intra-operative, and post-operative morbidity and mortality. Results: From 1980From to 2015 Glenn surgeries were performed. The most common heart disease was tricuspid atresia IB (19.2%). In 48.1% of the cases, the procedure was performed with antegrade flow. A bilateral Glenn procedure was performed in 12.5% of the cases and 10.3% were carried out without using a cardiopulmonary bypass pump. Reported complications included infections, bleeding, arrhythmias, chylothorax, neurological alterations, and pleural effusion. The mortality rate was 2.9%. Conclusions: Glenn surgery is a palliative surgery with good results. It significantly improves patient quality of life over a long period until a total cavopulmonary shunt is performed. The complications observed are few, and the mortality rate is low. Therefore, it is a safe surgery that should be used for univentricular congenital heart disease.
El sector de las tortillas es un mercado muy competitivo, por ello se requiere que las empresas de este ramo, usen herramienta que apoyen la toma de decisiones en las diferentes fases de la planeación administrativa y que puede proporcionar las oportunidades de mejorar a las organizaciones, como es el caso del Punto de equilibrio. El propósito de este artículo es conocer la forma en que el punto de equilibrio es usado en las diferentes fases del proceso administrativo y en las áreas funcionales de las pequeñas y medianas empresas del sector tortillero en Escárcega. La presente investigación es descriptiva, mixta (documental y de campo) con un enfoque cualitativo, que permite analizar los hechos y generar nuevos conocimientos. La metodología utilizada en este artículo es basada en la fórmula de punto de equilibrio para identificar los conceptos que intervienen. La recolección de información se realizó a través un instrumento diseñado con la escala de Likert. El 87% de las tortillerías en Escárcega, tienen el conocimiento básico acerca del punto de equilibrio, de la materia prima de sus productos y sus costos, sin embargo, un 13% no cuenta con este conocimiento.
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