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Clonidine in paediatric anaesthesia
Kahoru Nishina1, Katsuya Mikawa
1Department of Anesthesia and Perioperative Medicine, Faculty of Medical Sciences, Kobe University Graduate School of Medicine, Kobe, Japan.
Insights
Clonidine is less effective for pediatric preoperative sedation than midazolam but shows promise for postoperative analgesia and preventing agitation. Further research is needed to confirm its benefits in pediatric anesthesia.
Area of Science:
- Anesthesiology
- Pediatric Medicine
- Pharmacology
Background:
- Clonidine is increasingly studied for perioperative use in children.
- Understanding its efficacy and safety is crucial for pediatric anesthesia practices.
Purpose of the Study:
- To review recent studies on clonidine in pediatric anesthesia.
- To analyze trends and discuss future applications of clonidine for children.
Main Methods:
- Systematic review of published literature on clonidine in pediatric anesthesia.
- Analysis of study trends and clinical outcomes.
Main Results:
- Oral clonidine is less effective for preoperative sedation compared to midazolam.
- Clonidine effectively prevents sevoflurane-induced agitation and enhances local anesthetic analgesia when administered peripherally or caudally.
- Some studies report negative findings regarding clonidine's potentiation of postoperative analgesia.
Conclusions:
- Clonidine may not be ideal for pediatric premedication due to inferior sedation.
- Clonidine shows potential for postoperative analgesia and preventing agitation in children.
- Further multicenter trials are necessary to validate caudal clonidine for pain relief and its role in potentiating regional anesthesia.
Purpose Of Review:
This review aims to summarize results of recently published studies concerning clonidine application in paediatric anaesthesia, to analyse trends in these studies, and to discuss perspectives of the perioperative use of clonidine for children.
Recent Findings:
Reassessment of clonidine premedication has revealed that oral clonidine is inferior to midazolam for preoperative sedation. Oral or intravenous clonidine has been successfully used for the prevention of sevoflurane-induced agitation during emergence from anaesthesia. Peripheral injection or caudal (epidural) administration of clonidine prolonged the duration and enhanced the quality of postoperative analgesia by local anaesthetics without severe side effects. However, some negative results concerning potentiation of postoperative analgesia with clonidine have been reported.
Summary:
Clonidine may be less favored than midazolam as premedication for children because of inferior clonidine-induced sedation. Additional comparative studies are required, however, to confirm this finding. On the other hand, clonidine-induced analgesia may well be useful and find wide application in paediatric anaesthesia. Prospective multicentre trials using a larger number of patients will be needed to verify the usefulness of caudal clonidine for postoperative pain relief. Prophylactic use of clonidine against sevoflurane-induced agitation may represent a new and promising application. Assessment of the efficacy of clonidine in potentiating regional anaesthesia/analgesia by local anaesthetics in children also needs more investigation. Moreover, it may be worthwhile to try new successful applications demonstrated in adults for paediatric anaesthesia.
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