Document Classification

Section Type: METHODS

Text: After giving their consents, 80 parturients who were scheduled for cesarean delivery during spinal anesthesia were enrolled by a double-blind randomized design into four groups : bupivacaine group (n = 20) received intrathecal (i. t.) 10 mg bupivacaine ; bupivacaine + neostigmine group (n = 19) received i. t. 10 mg bupivacaine + 50 microg neostigmine ; bupivacaine + clonidine group (n = 20) received i. t. 10 mg bupivacaine + 150 microg clonidine ; and bupivacaine + both (n = 21) received i. t. 10 mg bupivacaine + 50 microg neostigmine + 150 microg clonidine.