Introduction Recently, regional anesthesia techniques have been replaced by peripheral nerve blocks in the management of perioperative pain. Because of the widespread use of ultrasonography, it has been reported that peripheral nerve blocks showed similar analgesic efficacy with favorable rates of side effects when compared to central blocks. Central nerve blocks are often used in combination with general anesthesia for pediatric surgery in order to reduce general anesthetic requirements, opioid use, postoperative pain, nausea and vomiting, and risk of anesthetic neurotoxicity, particularly in young patients [1-4]. Caudal epidural block (CEB) is a well-established and commonly performed neuraxial technique for providing intraoperative and postoperative analgesia in pediatric patients scheduled for lower abdominal perineal surgical interventions [5-6]. Although the efficacy and safety of CEB are fairly high [7], the associated complications such as inadvertent dural puncture, unwarranted motor blockade of lower limbs, and disturbance of bladder function [8] might limit its use. Undoubtedly, introduction of ultrasonography into anesthesia practice has led to an increase in practice of peripheral nerve blocks. Ultrasonography guidance has significantly facilitated the practice of regional nerve blockades [9]. There has been a growing interest in ultrasound-guided transversus abdominis plane (TAP) block as an alternative and valid postoperative analgesic method in pediatric patients undergoing lower abdominal surgery [10]. Quadratus lumborum block (QL block) is a new abdominal and truncal block used for providing somatic Background/aim: Despite different regional anesthesia techniques used to provide intraoperative and postoperative analgesia in pediatric patients, the analgesic effectiveness of peripheral nerve blockades with minimal side effect profiles have not yet been fully determined. We aimed to compare the efficacy of ultrasound-guided transversus abdominis plane (TAP) block, quadratus lumborum (QL) block, and caudal epidural block on perioperative analgesia in pediatric patients aged between 6 months and 14 years who underwent elective unilateral lower abdominal wall surgery. Materials and methods: Ninety-four patients classified under the American Society of Anesthesiologists physical status classification system as ASA I or ASA II were randomly divided into 3 equal groups to perform TAP, QL or Caudal epidural block using 0.25% of bupivacaine solution (0.5 ml kg −1). Results: Postoperative analgesic consumption was highest in the TAP block group (P < 0.05). In the QL block group, Pediatric Objective Pain Scale (POAS) scores were statistically significantly lower after 2 and 4 h (P < 0.05). The length of hospital stay was significantly longer in the caudal block group than the QL block group (P < 0.05). Conclusion: We suggest that analgesia with ultrasound-guided QL block should be considered as an option for perioperative analgesia in pediatric patients undergoing lower abdominal surgery if the expertise an...
Study Design. Prospective randomized comparative (controlled) study. Objective. Management of the severe postoperative back pain followed the major spinal surgeries remains a challenge. The search is going on to find simple, efficient, and reliable perioperative analgesia with low side effects. We aimed to investigate the efficacy of intraoperative freehand erector spinae plane block (ESBP) after spinal surgeries. Summary of Background Data. A few case reports and randomized controlled studies demonstrated the analgesic efficacy of ESPB in spinal surgeries. Up-to-date, no randomized controlled studies investigated the effectiveness of ESPB on spinal instrumentation surgeries. Methods. We randomly divided 56 consecutive adult patients who underwent posterior spinal instrumentation and fusion for spondylolisthesis into two groups. The study (ESPB) group (n = 28) received intraoperative freehand bilateral ESPB with a 20-mL mixture solution of 0.25% bupivacaine and 1.0% lidocaine equally divided into all operating levels. In the control group (n = 28), 20 mL physiological saline was injected. Postoperatively, we ordered 1 g paracetamol thrice/day, besides patient-controlled analgesia pumps with morphine. We performed a postoperative evaluation with a visual analog scale (VAS), morphine consumption, ESPB-related adverse effects, and postoperative length of hospital stay (PLOS). Results. Morphine consumption was significantly higher in the controls within the first postoperative 24-hour 44.75 ± 12.3 mg versus 33.75 ± 6.81 mg in the ESPB participants (P < 0.001). Except for postoperative 24th-hour VAS (P = 0.127), all postoperative VAS scores recorded at all time-points were significantly higher in the controls (P < 0.05). In control individuals, the first analgesic demand time was shorter, and PLOS was longer (P < 0.001). Patient satisfaction was significantly higher in the ESPB group. We observed no significant difference regarding postoperative complications. Conclusion. Intraoperative ESPB as a part of multimodal analgesia was effective. For posterior instrumented patients with spondylolisthesis, it can relieve postoperative backache and reduce opioid consumption. Level of Evidence: 1
Introduction and Objectives: There are a few reports in the literature about the successful use of sugammadex in the treatment of hypersensitivity reactions caused by rocuronium; however, the pathophysiological mechanism is still unknown. This study aims to investigate the changes caused by rocuronium in the lung and the effect of sugammadex on these changes with bio-chemical, light microscopic and immunohistochemical parameters on a rat model.Materials and Methods: For the study, 28-male Sprague-Dawley rats were randomly divided, seven of each, into four groups. Group C (control) received only 0. 9 % NaCl without any drug. Group R received rocuronium alone 1mg/kg. Group S received sugammadex alone 96 mg/kg. Group RS received rocuronium 1mg/kg and sugammadex 96 mg/kg. After 24 h later, the ani-mals were sacrificed and their tissues were removed. Biochemical (IgE/CRP), light microscopic and immunohistochemical findings were recorded.Results: Immunoglobulin E and CRP levels, peribronchial, alveolar septal lymphocytic infiltra-tion, thickening of the alveolar membranes and bleeding sites in Group R were significantly higher than all the other groups. In Group RS, while these parameters were significantly lower than that of Group R and Group S, it was significantly higher than that of Group C. Total mast cells and tryptase-positive mast cells counts were significantly higher in Group R than in all other groups. In Group RS, these parameters were statistically lower than that of Group R and Group S, but higher than that of Group C.Conclusions: This study shows that allergic inflammatory changes due to rocuronium in the lungs of rats are reduced with sugammadex. These results support cases of anaphylaxis due to rocuronium which improved with sugammadex.
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