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Sakshi Goyal, Kewal Krishan Gupta, Vikram Mahajan
BACKGROUND AND AIM: Recent studies have advised narcotic less anaestheic techniques for breast cancer surgeries due to altered immune system by use of opioids. So we planned this study to compare the efficacy of dexmedtomidine with fentanyl in breast cancer surgery in terms of haemodynamic stability, anaesthetic sparing effects, recovery profile and postoperative analgesia. MATERIAL AND METHODS: In this randomized prospective controlled trial, a total of 60 female patients were randomly assigned into two groups...
July 2017: Anesthesia, Essays and Researches
Wonjung Hwang, Jaemin Lee, Jihyun Park, Jin Joo
BACKGROUND: Total intravenous anesthesia (TIVA) is used widely in spinal surgery because inhalational anesthetics are known to decrease the amplitude of motor evoked potentials. Presently, dexmedetomidine is used as an adjuvant for propofol-based TIVA. We compared the effects of remifentanil and dexmedetomidine on pain intensity as well as the analgesic requirements after post-anesthesia care unit (PACU) discharge in patients undergoing spinal surgery. METHODS: Forty patients scheduled for posterior lumbar interbody fusion (PLIF) surgery under general anesthesia were enrolled...
2015: BMC Anesthesiology
Z Li, M Tian, C-Y Zhang, A-Z Li, A-J Huang, C-X Shi, D-Q Xin, J Qi, K-Z Li
PURPOSE: The purpose of this study was to evaluate comparatively, in women undergoing caesarean section under spinal anesthesia, the effectiveness of hyperbaric bupivacaine combined with 3 different adjuvants (fentanyl, clonidine, and dexmedtomidine) on quality of blockade and maternal and neonatal repercussions. METHOD: 84 patients undergoing elective surgeries under spinal anesthesia were randomized into 4 groups of 21 each, gB, gBF, gBC and gBD. Patients in groups gb, gBF, gBC and gBD were given bupivacaine alone, bupivacaine plus fentanyl (15...
November 2015: Drug Research
Y Sun, Y Xu, G-N Wang
PURPOSE: In this study, we aimed to compare the effects of bupivacaine alone, bupivacaine plus fentanyl, and bupivacaine plus dexmedetomidine for postoperative analgesia in women undergoing cesarean section under spinal anesthesia. MATERIAL AND METHODS: 90 term parturients scheduled to have elective cesarean section and ASA physical status I or II were allocated randomly into 3 groups to receive either bupivacaine (Bv group) or bupivacaine plus fentanyl (BvF group) or bupivacaine plus dexmedetomidine (BvD group)...
September 2015: Drug Research
K Reid, Y Hayashi, J Hsu, P A Maguire, B C Rabin, T Z Guo, M Maze
Tolerance to the hypnotic response was induced in rats by chronically infusing dexmedetomidine, a novel alpha 2-adrenergic agonist. The alpha 2-adrenoceptor affinity for dexmedtomidine and para-iodoclonidine was significantly reduced in tolerant rats, while Bmax was uncharged. The ability of pertussis toxin (PTX) to ribosylate guanine nucleotide regulatory proteins (G proteins) ex vivo was reduced in tolerant rats; the quantity of PTX-sensitive G proteins was unchanged. Forskolin-stimulated adenylyl cyclase was less sensitive to inhibition by dexmedetomidine in the tolerant rats; however, acute intraperitoneal injection of dexmedetomidine still reduced cyclic adenosine monophosphate levels in tolerant rats...
May 1997: Pharmacology, Biochemistry, and Behavior
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