80
Participants
Start Date
October 24, 2017
Primary Completion Date
January 11, 2018
Study Completion Date
January 11, 2018
Ultrasound-assisted paramedian technique spinal anesthesia
Ultrasound-assisted paramedian technique will be used. A preprocedural ultrasound scan will be performed, and skin marking for spinal entry site will be done using ultrasound scan. Spinal anesthesia will be done according to skin marking using ultrasound, via paramedian approach.
Landmark-guided paramedian technique spinal anesthesia
Landmark-guided paramedian technique will be used. Spinal anesthesia will be done using conventional landmark-guided paramedian technique.
Ultrasound
A preprocedural ultrasound scan will be done using Portable Echocardiography system (Vivid-i, GE healthcare) with 4C-RS convex probe (2.0-5.5 MHz Frequency range).
0.5% heavy bupivacaine
During spinal anesthesia, 0.5% heavy bupivacaine will be administered into intrathecal space. The dose of local anesthetic injected for spinal anesthesia will be at the discretion of the attending anesthesiologist. The dose range of intrathecal bupivacaine will be between 12 and 16 mg.
Seoul National University Hospital, Seoul
Seoul National University Hospital
OTHER