COMPARISON OF THE EFFECTS OF FENTANYL AND DEXMEDETOMIDINE IN SUPRACLAVICULAR BRACHIAL PLEXUS BLOCK ACHIEVED WITH ROPIVACAINE
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2015, Vol 4, Issue 54
Abstract
[b]BACKGROUND & OBJECTIVES[/b]: Supraclavicular block of brachial plexus provides complete and reliable anaesthesia for upper limb surgeries. Ropivacaine, is an affective local anaesthetic in for brachial plexus anaesthesia. It is a potent blocker of Aδ and C fibres, rendering good sensory effect but less motor blockade. We evaluated the anaesthetic quality and length of analgesia with the addition of either fentanyl or dexmedetomidine to ropivacaine for Supraclavicular brachial plexus block. [b]METHODS[/b]: In a prospective clinical trial, 90 patients were randomly allocated to either receive 30 ml ropivacaine 0.5% (Group R), 30 ml ropivacaine 0.5% with fentanyl 50 mcg (Group RF) or 30 ml ropivacaine 0.5% with dexmedetomedine 50 mcg (Group RD) in Supraclavicular brachial plexus. The characteristics for anaesthesia and analgesia were assessed for the three groups. OBSERVATIONS: Demographic profile was comparable in the groups. The onset of analgesia and time to complete analgesia was enhanced in Group RD and Group RF compared to Group R. Prolongation of sensory blockade and motor blockade with extended duration of postoperative analgesia was observed in Group RD and Group RF compared to Group R. There were minimum haemodynamic disturbances and side-effects in any group except for Grade 3 sedation score which was frequently noted in patients receiving dexmedetomidine as adjunct. [b]RESULTS[/b]: Compared to the use of ropivacaine 0.5%, 30 ml alone for supraclavicular brachial plexus block, the addition of 50 mcg fentanyl or 50 mcg dexmedetomidine to ropivacaine enhanced onset of block and also increased duration of surgical anaesthesia with prolongation of post-operative analgesia. Furthermore blockade characteristics improved better with addition of dexmedetomodine than fentanyl without increasing incidence of unwanted side-effects.
Authors and Affiliations
Soma Cham, Medha Sangawar, Umesh Ramtani, Bhupendra Chavan, Chandrashekharan Cham
Keywords
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- EP ID EP127959
- DOI 10.14260/jemds/2015/1366
- Views 90
- Downloads 0
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