Articles: analgesia.
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The current analgesics often prevent patients from getting effective treatment due to their adverse effects. Cannabidiol (CBD) is well tolerated, has few side effects and has been extensively investigated in analgesia. However, its oral bioavailability is extremely low. In order to solve this problem, we developed the cannabidiol nanocrystals (CBD-NC) in the earlier stage. ⋯ The absolute bioavailability of the CBD-NC intramuscular injection formulation can reach 203.31%, which can solve the problem of low oral bioavailability. This research evaluated the therapeutic effect of CBD-NC on NP associated with the SNI model for the first time. All available date showed that whatever the analgesic or neuroprotective effect of CBD-NC, it was significantly better than that of CBD oil sol., which was consistent with the results of the pharmacokinetic. This research supports the initiation of more trials testing the efficacy of CBD-NC for treating NP.
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Because of its side effects, a morphine replacement has been searched for in the field of postoperative analgesia. Hydromorphone is a derivative of morphine with no active metabolites. ⋯ There was no significant statistical difference in postoperative analgesic effect between hydromorphone and morphine, as well as side effects, including severe sedation, nausea, and vomiting at 24 hours postoperative. However, the incidence of pruritus was lower in the hydromorphone group at 24 hours postoperative.
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Meta Analysis
Regional Analgesia Techniques Following Thoracic Surgery: A Systematic Review and Network Meta-analysis.
Regional analgesia techniques have become the basis of multimodal analgesia for acute and chronic pain. They are widely used in thoracic surgery, but the best treatment is still uncertain. ⋯ The cTEA and cSAPB techniques are more likely to reduce the cumulative opioid consumption within 24 hours. The cTEA, cSAPB, ESPB techniques were more likely to improve pain at postoperative 6, 12, and 24 hours. Therefore, cTEA, cSAPB, and ESPB are the first choices for pain relief post thoracic surgery, whereas wound infiltration, intercostal block, continuous wound infiltration, and continuous intercostal block were less likely to be effective. We need more high-quality randomized controlled trials with larger sample sizes to validate our results and to determine the ideal regional analgesia technique and the optimal drug formula.
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The administration of intravenous lidocaine during the peri-operative period may improve pain management after paediatric surgery. ⋯ The use of lidocaine is associated with improved pain management. However, further studies are needed to increase the level of evidence and determine the optimal administration regimen for pain management.