Comparative study of either sufentanil or morphine added to a mixture of lignocaine and bupivacaine versus a mixture of lignocaine and bupivacaine alone in brachial plexus block

Document Type : Original Article

Authors

1 Anaesthesia & ICU

2 Orthopedic department

Abstract

This study evaluates the peripheral opioid analgesia by comparing the effects from the addition of two types of opioids, morphine or sufentanil combined with a mixture
          
mixture of lignocaine, bupivacaine and adrenaline alone for patients underwent elective surgery of the forearm and hand under axillary brachial plexus block.
!  " # $l (c) morphine (m) and sufentanil (s) groups. We evaluated onset of sensory block than postoperative mean arterial blood pressure (M.A.B.P), heart rate (HR), pain severity (V.A.S), time of first request of analgesia (T.F.R.A) and adverse effects. Our results showed that there were no significant differences on the onset of sensory block between (c) ,(m) & (s) groups. As regards the M.A.B.P and HR, there were significant increase in (c) group    % &%&%- & nt increase in (m) group   %&%&%-' & %&   %&% & % –  &  (! )  times. After that (iv) morphine were given to abolish the postoperative pain untile the end of the study. Concerning the postoperative pain severity, the results showed that both (m) and (s) groups had significant increase of analgesia as it showed lowest pain scores compared to (c) group, and in (s) group compared to (m) group, using visual analogue scale (V.A.S).
Time of first request of analgesia was delayed markedly in (s) group than (m) group and eventually (c) group. The adverse effects were greater with (m) group compared to (c) and (s) group while it was similar between (c) & (s) group.

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