The authors would like to investigate the blocking characteristics, surgical quality and side effects of intrathecal levobupivacaine whether there are any differences between the hyperbaric and the isobaric formulation for gynaecologic surgeries which need higher block level than the urological surgeries.
The investigators study in the similar patients, give the same intervention except the baricity of levobupivacaine. The investigators record the level of sensory block and modified Bromage score for motor blockade.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Masking
QUADRUPLE
Enrollment
20
0.42% either isobaric levobupivacaine 3 ml spinal injection once
0.42% hyperbaric levobupivacaine 3 ml spinal injection once
Faculty of Medicine Siriraj Hospital, Mahidol University
Bangkok, Thailand
time to T4-dermatome sensory blockade
to investigate specific blocking characteristics of intrathecal hyperbaric levobupivacaine compared with isobaric levobupivacaine for gynaecologic surgery
Time frame: 30 minutes
side effects
to investigate side effects of intrathecal hyperbaric levobupivacaine compared with isobaric levobupivacaine for gynaecologic surgery
Time frame: 1 to 4 hours intraoperation plus within 2 hours in the recovery room
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