Pain practice : the official journal of World Institute of Pain
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Meta Analysis
Magnesium sulfate reduces postoperative pain in women with cesarean section: a meta-analysis of randomized controlled trials.
The use of magnesium sulfate (MgSO4 ) as an adjunct in different anesthetic regimens for cesarean section (CS) delivery often reports conflicting results. This study aimed to review the effectiveness of MgSO4 on improving postoperative analgesia after CS systematically. ⋯ MgSO4 decreases the highest VAS in women who underwent general anesthesia, spinal anesthesia, or epidural for CS (all p < 0.05). Additional MgSO4 significantly reduces postoperative pain in women undergoing CS.
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Review Meta Analysis
Nalbuphine for spinal anesthesia : A Systematic Review and meta-analysis.
Various adjuvants for prolongation of intra-operative and postoperative analgesia have been clinically studied, but the safety and efficiency of nalbuphine as an adjuvant to local anesthetics in spinal anesthesia remains unconfirmed. Therefore, we conducted a meta-analysis about the effect of nalbuphine as an adjuvant to local anesthetics in spinal anesthesia in regard to time of onset of sensory blockade and motor blockade, duration of motor blockade, 2-segment sensory regression time, the duration of analgesia, and incidence of side effects to provide a reliable basis for clinical application. ⋯ Nalbuphine as additives to local anesthetics can significantly prolong the two segments of sensory block and the average duration of analgesia without increasing the incidence of adverse reactions when compared with normal saline group. In addition, the analgesic efficacy of nalbuphine served as an adjunct to local anesthetics was clinically not different from that of the potent opioids, but the occurrence of hypotension, shivering, and pruritus was lower than the potent opioids.