112
Participants
Start Date
April 27, 2018
Primary Completion Date
October 8, 2018
Study Completion Date
October 9, 2018
ultrasound-assisted midline approach
A preprocedural ultrasound scanning will be done, and skin marking will be made. The needle entry point and insertion angle will be determined based on ultrasound scanning. Spinal anesthesia will be performed via midline approach.
ultrasound-assisted paramedian approach
A preprocedural ultrasound scanning will be done, and skin marking will be made. The needle entry point and insertion angle will be determined based on ultrasound scanning. Spinal anesthesia will be performed via paramedian approach.
Seoul National University Hospital, Seoul
Seoul National University Hospital
OTHER