Airway management in anesthesia is critical to guarantee appropriate treatment of possible respiratory complications and successful operative practice. LMA® is an alternative to tracheal tube in some surgeries like as mastectomy on breast cancer. Given no need using muscular relaxants in mastectomy, the investigators hypothesized that LMA® would be a superior manner in airway management in radical modified mastectomy on breast cancer than the tracheal tube, and the LMA® might produce less influence on patients' circulatory homeostasis, and easier to be placed before operation.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
NONE
Enrollment
200
LMA® is placed after anesthesia induction and removed after the operation
Standard endotracheal tube is inserted after anesthesia induction and extubated after the operation
Nanjing Maternal and Child Health Care Hospital
Nanjing, Jiangsu, China
Circulatory Homeostasis
Time frame: 15min prior to operation to 15min posterior to operation
Airway pressure
Time frame: 15min prior to operation to 15min posterior to operation
Blood gas
Time frame: 15min prior to operation to 15min posterior to operation
Airway complications
Time frame: Start of operation to 6h after operation
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