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Does the addition of morphine to intra-articular bupivacaine injection improve pain relief after knee arthroscopy?

A randomised double-blind prospective trial in patients undergoing knee arthroscopy was performed to determine whether the addition of morphine to bupivacaine for intra-articular injection gave any additional analgesic effect over the use of bupivacaine alone. In group A ( n=22) 3 ml water and 10 ml...

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Bibliographic Details
Published in:The knee 1999, Vol.6 (1), p.17-19
Main Authors: McDermott, I.D, Crowhurst, E.C, Crawfurd, E.J.P, Tordoff, S.G
Format: Article
Language:English
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Summary:A randomised double-blind prospective trial in patients undergoing knee arthroscopy was performed to determine whether the addition of morphine to bupivacaine for intra-articular injection gave any additional analgesic effect over the use of bupivacaine alone. In group A ( n=22) 3 ml water and 10 ml 0.5% bupivacaine were injected intra-articularly. In group B ( n=22) 3 mg morphine in 3 ml water and 10 ml 0.5% bupivacaine were used. Pain was evaluated at intervals using a visual analogue scale and by amount of oral analgesia required. The results showed that the addition of morphine to intra-articular bupivacaine offered no significant analgesic benefit.
ISSN:0968-0160
1873-5800
DOI:10.1016/S0968-0160(98)00007-6