Background: The leading cause of emergence delirium (ED) in children postoperatively is the exposure to inhalational anaesthetics. ED can occur immediately after waking from anaesthesia, making patients generally uncooperative and agitated. Dexmedetomidine has sedative and analgesic effects and helps to reduce agitation and delirium and improve hemodynamic stability and the recovery of respiratory function; in addition to decreasing pain intensity, it is also well known for helping reduce nausea and vomiting.
Objectives: This updated systematic review meta-analysis investigate and summarise currently available evidence on the use of dexmedetomidine to prevent ED, reduce postoperative nausea and vomiting (PONV) and decrease the need for rescue analgesia in paediatric patients undergoing ophthalmic surgery.
Methods: The medical databases EMBASE, PubMed and Cochrane Library were searched for randomised controlled trials published between January 2020 and August 2022 that used Dexmedetomidine in paediatric patients undergoing ophthalmic surgery. The protocol was prospectively registered with PROSPERO (CRD42022343622). The review was accomplished according to the 'Preferred Reporting Items for Systematic Reviews and Meta-Analyses', and the meta-analysis was conducted by using RevMan5.4. These studies examine the efficacy of dexmedetomidine in preventing ED in children undergo ophthalmic surgery. The Cochrane ROB-1 was used to assess risk of bias (ROB).
Results: Eight studies comprised of 629 participants, of which 315 received dexmedetomidine and 314 placebos were examined. PAED score identified ED following surgery. A review and meta-analysis indicated that dexmedetomidine reduces ED incidence (RR = 0.39; 95% CI 0.25-0.62). Similarly, it reduces the use of rescue analgesia (RR = 0.38; 95% CI 0.25-0.57). However, dexmedetomidine did not help prevent PONV since no difference was found between groups (RR = 0.33; 95% CI 0.21-0.54).
Conclusion: This review showed that dexmedetomidine helped to reduce ED incidence in paediatric patients after ophthalmic surgery and reduced the need for rescue analgesia compared to placebo or other medications.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9744040 | PMC |
| http://dx.doi.org/10.1186/s44158-022-00079-y | DOI Listing |
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