| Table of contents Rev. colomb. anestesiol. vol.49 no.1 Bogotá Jan./Mar. 2021 Editorial | | | | · Global perioperative surgery research: A call to Latin America Pérez, Carlos; Picciochi, María; Martin, Janet; Calvache, José Andrés
| | | Original article | | | | · Comparison among subarachnoid opioid mix for cesarean section - An observational study Osorio-Gutiérrez, Cristina Isabel; Ortiz-Gómez, Guillermo Alberto; Valencia-Ríos, Juan Felipe; Arango-Gómez, Fernando
| | | Special article | | | | · Delay in hip fracture surgery and its outcomes. A reflection Merchán-Galvis, Ángela; Muñoz, David Andrés; Solano, Felipe; Velásquez, Julián Camilo
| | | | · Ultrasound-guided superior laryngeal nerve block -A description of the technique Echeverri-Ospina, Yulian Camilo; Zamudio Burbano, Mario Andrés; González Giraldo, Daniela
| | | | · Acuphagia: Anesthetic implications Khanna, Sandeep; Bustamante, Sergio
| | | Systematic Review Article | | | | · Effectiveness and safety of the enhanced recovery program in colorectal surgery: overview of systematic reviews Chacón Acevedo, Kelly Rocío; Cortés Reyes, Édgar; Guevara Cruz, Óscar Alexander; Díaz Rojas, Jorge Augusto; Rincón Martínez, Lina María
| | | Narrative review | | | | · Hemodynamic monitoring with two blood gases: "a tool that does not go out of style" Sánchez-Díaz, Jesús Salvador; Peniche-Moguel, Karla Gabriela; Rivera-Solís, Gerardo; Martínez-Rodríguez, Enrique Antonio; Del-Carpio-Orantes, Luis; Pérez-Nieto, Orlando Rubén; Zamarrón-López, Eder Iván; Guerrero-Gutiérrez, Manuel Alberto; Monares-Zepeda, Enrique
| | | | · Assessing the methodological quality of systematic reviews using the AMSTAR tool Pizarro, Ana Beatriz; Carvajal, Sebastián; Buitrago-López, Adriana
| | | Case Report | | | | · Perioperative considerations in a girl with Glanzmann thrombasthenia. Case report Trujillo Mejía, Alexander; López Pérez, Carolina
| | | | · Phantom eye syndrome. Case report Castiblanco-Delgado, Danny Steven; Molina-Arteta, Bilena Margarita; Leal-Arenas, Fabián Alexander
| | | Questions and answers | | | | · Questions and answers Raffán-Sanabria, Fernando
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