2448-8771 2448-8771 S2448-87712017000100008 México México 00 04 2017 00 04 2017 29 1 8 14

2003 16 1 1 21-9 2012 35 1 1 40-5 2000 7 465-76 2004 2 3 3 176-88 2013 12 3 3 222-30 2003 71 50-4 2004 27 2 2 92-6 2005 73 223-33 American Society of Anesthesiologist 2004 100 1573-81 2005 50 3 3 1-4 2006 134 97-702 2009 32 3 3 163-70 2007 45 1 1 1-9 2002 27 5 5 321-6 2009 25 1 1 29-32 2006 134 181-6 1999 27 489-92 2009 73 11 11 1513-5 2004 130 8 8 917-21 2001 111 10 10 1712-8 2013 41 2 2 4909-15 2008 300 22 22 2621- 2630