Gratitude to Dr. Marco Fidel Chala, Coordinator and Surgeon at Clínica de Obesidad Hospital Universitario San Ignacio, Pontificia Universidad Javeriana, Bogotá, Colombia, for sharing the database of bariatric surgery for the present study. 1. Ebert TJ, Shankar H, Haake RM. Perioperative considerations for patients with morbid obesity. Anesthesiol Clin. 2001;24:621-36. 2. World Health Organization Website updated March 2011. Available from: http://www.who.int/mediacentre/factsheets/fs311/es/ 3. Gaszynski T. Standard clinical tests for predicting difficult intubation are not useful among morbidly obese patients. Anesth Analg. 2004;99:956. 4. Williamson JA, Webb RK, Szekely S, Gillies ER, Dreosti AV. The Australian Incident Monitoring Study. Difficult intubation: an analysis of 2,000 incident reports. Anaesth Intens Care. 1993;21:602-7. 5. González H, Minville V, Delanoue K, Mazerolles M, Concina D, Fourcade O. The importance of increased neck circumference to intubation difficulties in obese patients. Anesth Analg. 2008;106:1132-6. 6. Brodsky JB, Lemmens HJ, Brock-Utne JG, Vierra M, Saidman LJ. Morbid obesity and tracheal intubation. Anesth Analg. 2002;94:732-6. 9. Buckley FP, Robinson NB, Simonowitz DA, Dellinger EP. Anaesthesia in the morbidly obese: a comparison of anaesthetic and analgesic regimens for upper abdominal surgery. Anaesthesia. 1983;38:840-51. 10. Cherit G, Gonzalez R, Borunda D, Pedroza J, Gonzalez J, Herrera MF. Anesthesia for morbidly obese patients. World J Surg. 1998;22:969-73. 11. Voyagis G, Kyriakis K, Dimitriou V, Vrettou I. Value of oropharyngeal Mallampati classification in predicting difficult laryngoscopy among obese patients. Eur J Anaesthesiol. 1998;15:330-4. 14. Chung F, Mezei G, Tong D. Pre-existing medical conditions as predictors of adverse events in day-case surgery. Br J Anaesth. 1999;83:262-70. 15. El-Ganzouri AR, McCarthy RJ, Timan KJ, Tanck EN, Ivankovich AD. Preoperative airway assessment: predictive value of a multivariate risk index. Anesth Analg. 1996;82:1197-204.
Se agradece al Dr. Marco Fidel Chala, Coordinador y Cirujano de la Clínica de Obesidad del Hospital Universitario San Ignacio, Pontificia Universidad Javeriana, Bogotá, Colombia, por compartir la base de datos de cirugía bariátrica para el presente estudio.