200
Participants
Start Date
January 31, 2008
Primary Completion Date
July 31, 2009
Study Completion Date
July 31, 2009
LMA®
LMA® is placed after anesthesia induction and removed after the operation
Endotracheal tube
Standard endotracheal tube is inserted after anesthesia induction and extubated after the operation
Nanjing Maternal and Child Health Care Hospital, Nanjing
Lead Sponsor
Nanjing Medical University
OTHER