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Efficacy of intra-articular dexmedetomidine for postoperative analgesia in arthroscopic knee surgery

Authors:

S Paul ,

Department of Pharmacology, National Medical College, Kolkata, IN
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DP Bhattacharjee,

Department of Anaesthesiology, National Medical College, Kolkata, IN
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S Ghosh,

Department of Orthopaedics, National Medical College, Kolkata, IN
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S Dawn,

Department of Anaesthesiology, National Medical College, Kolkata, IN
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N Chatterjee

Department of Anaesthesiology, Calcutta Medical Research Institute, Kolkata, IN
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Abstract

Introduction Various drugs are administered intraarticularly to provide postoperative analgesia after arthroscopic knee surgery, of which opioids and alpha2 agonists could be of particular interest.

Methods Sixty patients undergoing elective knee arthroscopy were randomly assigned to two groups (n=30). Group R received 19 ml of 0.25% ropivacaine and 1 ml of isotonic saline (total volume 20 ml) intraarticularly. Group RD received 100 μg (1 ml) of dexmedetomidine added to 19 ml of 0.25% ropivacaine intra-articularly (total volume 20 ml). Analgesic effect was evaluated by measuring pain intensity (VAS score) and duration of analgesia.

Results A longer delay was observed between intraarticular injection of study medication and first requirement of supplementary analgesic in group RD (10.84±2.6 hours) compared to group R (5.38±1.4 hours). Total consumption of fentanyl citrate in postoperative period was significantly less in group RD. No significant side effects were noted.

Conclusion Dexmedetomidine, added as adjunct to ropivacaine in patients undergoing arthroscopic knee surgery, improve the quality and duration of postoperative analgesia.

Index words: dexmedetomidine; ropivacaine; arthroscopic knee surgery; intra-articular injection

DOI: 10.4038/cmj.v55i4.2627

Ceylon Medical Journal 2010; 55: 111-115
DOI: https://doi.org/10.4038/cmj.v55i4.2627
How to Cite: Paul, S., Bhattacharjee, D., Ghosh, S., Dawn, S. and Chatterjee, N., 2010. Efficacy of intra-articular dexmedetomidine for postoperative analgesia in arthroscopic knee surgery. Ceylon Medical Journal, 55(4), pp.111–115. DOI: http://doi.org/10.4038/cmj.v55i4.2627
Published on 29 Dec 2010.
Peer Reviewed

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