The purpose of this study is to find a novel method for placing endobronchial blockers without fiberoptic guidance to provide one-lung isolation during anesthesia for thoracic surgery.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
94
positioning endobronchial blockers in two-staged method
positioning endobronchial blockers in traditional single-staged method
Seoul National University Hospital
Seoul, South Korea
location of endobronchial blocker
Time frame: immediately after the insertion of blocker by fiberoptic bronchoscope
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